Energy glossary

 

 

 

Energy glossary

 

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Meanings, explanations, notes, information and links about the terminology used in energy sector

 

Energy glossary

 

3-d, three dimensional seismic 3_d_three_dimensional_seismic.html
Abandoned well abandoned_well.html
Absolute humidity absolute_humidity.html
Absorbent absorbent.html
Absorber absorber.html
Absorption absorption.html
Absorption chiller absorption_chiller.html
Absorption coefficient absorption_coefficient.html
Absorption cooling absorption_cooling.html
Absorption refrigeration absorption_refrigeration.html
Absorptivity absorptivity.html
Ac ac.html
Acceptor acceptor.html
Accumulator accumulator.html
Accuracy accuracy.html
Acid acid.html
Acid rain acid_rain.html
Acre-feet acre_feet.html
Activated shelf life activated_shelf_life.html
Activation energy activation_energy.html
Activation voltage(s) activation_voltages.html
Active cooling active_cooling.html
Active heating system active_heating_system.html
Active power active_power.html
Active solar heater active_solar_heater.html
Activities activities.html
Actual peak reduction actual_peak_reduction.html
Adiabatic adiabatic.html
Adjacent estuarine zones adjacent_estuarine_zones.html
Adjustable set point adjustable_set_point.html
Adjustable speed drive adjustable_speed_drive.html
Adjustment bid adjustment_bid.html
Administrative penalty administrative_penalty.html
Adobe adobe.html
Aerobic bacteria aerobic_bacteria.html
Afudc afudc.html
Afv afv.html
Aga aga.html
Aggregator aggregator.html
Aic aic.html
Air air.html
Air change air_change.html
Air collector air_collector.html
Air conditioner air_conditioner.html
Air conditioning air_conditioning.html
Air diffuser air_diffuser.html
Air infiltration measurement air_infiltration_measurement.html
Air mass (sometimes called air mass ratio) air_mass_sometimes_called_air_mass_ratio.html
Air pollution air_pollution.html
Air pollution control air_pollution_control.html
Air quality standards air_quality_standards.html
Air register air_register.html
Air retarder/barrier air_retarder_barrier.html
Air space air_space.html
Air-conditioning air_conditioning.html
Air-conditioning & refrigeration institute (ari) air_conditioning_and_refrigeration_institute_ari.html
Air-conditioning equipment air_conditioning_equipment.html
Airlock entry airlock_entry.html
Air-source heat pump air_source_heat_pump.html
Airtight drywall approach (ada) airtight_drywall_approach_ada.html
Air-to-air heat pump air_to_air_heat_pump.html
Air-to-water heat pump air_to_water_heat_pump.html
Albedo albedo.html
Alcohol alcohol.html
Alcohol fuels alcohol_fuels.html
Algae algae.html
Allowable allowable.html
Alternating current alternating_current.html
Alternating current (ac) alternating_current_ac.html
Alternative fuel alternative_fuel.html
Alternative-fuel vehicle (afv) alternative_fuel_vehicle_afv.html
Alternator alternator.html
Ambient ambient.html
Ambient air ambient_air.html
Ambient temperature ambient_temperature.html
Ami ami.html
Ammonia ammonia.html
Amorphous semiconductor amorphous_semiconductor.html
Amorphous silicon amorphous_silicon.html
Amperage interrupt capability (aic) amperage_interrupt_capability_aic.html
Ampere (amp) ampere_amp.html
Ampere hour meter ampere_hour_meter.html
Ampere-hour (ah/ah) ampere_hour_ah_ah.html
Amp-hours amp_hours.html
Amr amr.html
Anaerobic bacteria anaerobic_bacteria.html
Anaerobic digester anaerobic_digester.html
Anaerobic digestion anaerobic_digestion.html
Anaerobic lagoon anaerobic_lagoon.html
Ancillary services ancillary_services.html
Anemometer anemometer.html
Angle of incidence angle_of_incidence.html
Angle of inclination angle_of_inclination.html
Angstrom unit angstrom_unit.html
Anhydrous ethanol anhydrous_ethanol.html
Annual effects annual_effects.html
Annual fuel utilization efficiency (afue) annual_fuel_utilization_efficiency_afue.html
Annual load fraction annual_load_fraction.html
Annual solar savings annual_solar_savings.html
Annualized growth rates annualized_growth_rates.html
Anode anode.html
Ansi ansi.html
Anthracite anthracite.html
Anthracite (coal) anthracite_coal.html
Anthropogenic anthropogenic.html
Antifreeze solution antifreeze_solution.html
Antireflection coating antireflection_coating.html
Aperture aperture.html
Api api.html
Apparent day apparent_day.html
Apparent power (kva) apparent_power_kva.html
Appliance appliance.html
Appliance energy efficiency ratings appliance_energy_efficiency_ratings.html
Appliance standards appliance_standards.html
Aquifer aquifer.html
Ara ara.html
Argon argon.html
Aromatic aromatic.html
Array array.html
Array (solar) array_solar.html
Array current array_current.html
Array operating voltage array_operating_voltage.html
Ash ash.html
Ashrae ashrae.html
Associated reservoir associated_reservoir.html
Astm astm.html
Asynchronous generator asynchronous_generator.html
Atmospheric pressure atmospheric_pressure.html
Atomic structure atomic_structure.html
Atrium atrium.html
Attic attic.html
Attic fan attic_fan.html
Attic vent attic_vent.html
Audit (energy) audit_energy.html
Automatic (or remote) meter reading system automatic_or_remote_meter_reading_system.html
Automatic damper automatic_damper.html
Autonomous system autonomous_system.html
Auxiliary energy or system auxiliary_energy_or_system.html
Availability availability.html
Availability factor availability_factor.html
Available but not needed capability available_but_not_needed_capability.html
Available heat available_heat.html
Average average.html
Average cost average_cost.html
Average demand average_demand.html
Average revenue per kilowatthour average_revenue_per_kilowatthour.html
Average wind speed (or velocity) average_wind_speed_or_velocity.html
Avoided cost avoided_cost.html
Awg awg.html
Awning awning.html
Axial fans axial_fans.html
Axial flow compressor axial_flow_compressor.html
Axial flow turbine axial_flow_turbine.html
Azimuth (solar) azimuth_solar.html
Azimuth angle azimuth_angle.html
B20 b20.html
Backdrafting backdrafting.html
Backup energy system backup_energy_system.html
Bacteria bacteria.html
Baffle baffle.html
Bagasse bagasse.html
Baghouse baghouse.html
Balance of system balance_of_system.html
Balance point balance_point.html
Balance-of-system balance_of_system.html
Baling baling.html
Ballast ballast.html
Ballast efficacy factor ballast_efficacy_factor.html
Ballast factor ballast_factor.html
Band gap band_gap.html
Band gap energy band_gap_energy.html
Band gap energy (eg) band_gap_energy_eg.html
Barrel barrel.html
Barrel (petroleum) barrel_petroleum.html
Barrier energy barrier_energy.html
Basal metabolism basal_metabolism.html
Base base.html
Base bill base_bill.html
Base load base_load.html
Base power base_power.html
Baseboard radiator baseboard_radiator.html
Baseload baseload.html
Baseload capacity baseload_capacity.html
Baseload demand baseload_demand.html
Baseload plant baseload_plant.html
Baseload plants baseload_plants.html
Baseload power plant baseload_power_plant.html
Basement basement.html
Basic sediment and water (bs&w) basic_sediment_and_water_bsandw.html
Batch heater batch_heater.html
Batch process batch_process.html
Batt/blanket batt_blanket.html
Battery battery.html
Battery available capacity battery_available_capacity.html
Battery capacity battery_capacity.html
Battery cell battery_cell.html
Battery cycle life battery_cycle_life.html
Battery energy capacity battery_energy_capacity.html
Battery energy storage battery_energy_storage.html
Battery life battery_life.html
Bay well bay_well.html
Bbl bbl.html
Barrel barrel.html
Bbl/d bbl_d.html
Bbl/sd bbl_sd.html
Bcf bcf.html
Bcf/d bcf_d.html
Beam radiation beam_radiation.html
Bearing wall bearing_wall.html
Benchmark benchmark.html
Benefits charge benefits_charge.html
Benzene benzene.html
Bhp bhp.html
Bias bias.html
Bilateral agreement bilateral_agreement.html
Bilateral contract bilateral_contract.html
Bimetal bimetal.html
Bin method bin_method.html
Binary cycle binary_cycle.html
Binary cycle geothermal plants binary_cycle_geothermal_plants.html
Binary-cycle plant binary_cycle_plant.html
Biochemical oxygen demand biochemical_oxygen_demand.html
Bioconversion bioconversion.html
Biodiesel biodiesel.html
Bioenergy bioenergy.html
Biofuels biofuels.html
Biogas biogas.html
Biogasification or biomethanization biogasification_or_biomethanization.html
Biomass biomass.html
Biomass energy biomass_energy.html
Biomass fuel biomass_fuel.html
Biomass gas (biogas) biomass_gas_biogas.html
Biomass gasification biomass_gasification.html
Biophotolysis biophotolysis.html
Bioreactor bioreactor.html
Bipv (building-integrated photovoltaics) bipv_building_integrated_photovoltaics.html
Bituminous coal bituminous_coal.html
Black liquor (pulping liquor) black_liquor_pulping_liquor.html
Blackbody blackbody.html
Blind nipple blind_nipple.html
Blocking diode blocking_diode.html
Blower blower.html
Blower door blower_door.html
Blown in insulation (see also loose fill) blown_in_insulation_see_also_loose_fill.html
Blowout prevention blowout_prevention.html
Bls bls.html
Boe boe.html
Boiler boiler.html
Boiler feedwater boiler_feedwater.html
Boiler horsepower boiler_horsepower.html
Boiler pressure boiler_pressure.html
Boiler rating boiler_rating.html
Boiling water reactor boiling_water_reactor.html
Bone (oven) dry bone_oven_dry.html
Bone dry unit bone_dry_unit.html
Booster pump booster_pump.html
Boot boot.html
Bopd bopd.html
Boron boron.html
Boron (b) boron_b.html
Bottled gas bottled_gas.html
Bottoming-cycle bottoming_cycle.html
Boule boule.html
Bradenhead completion bradenhead_completion.html
Brayton cycle brayton_cycle.html
Bread box system bread_box_system.html
Bridge plug bridge_plug.html
Brine brine.html
Brine well brine_well.html
British thermal unit (btu) british_thermal_unit_btu.html
Broker broker.html
Btu btu.html
Btx btx.html
Building energy ratio building_energy_ratio.html
Building envelope building_envelope.html
Building heat-loss factor building_heat_loss_factor.html
Building orientation building_orientation.html
Building overall heat loss rate building_overall_heat_loss_rate.html
Bulb bulb.html
Bulb turbine bulb_turbine.html
Bulk density bulk_density.html
Bundled utility service bundled_utility_service.html
Burner capacity burner_capacity.html
Burning point burning_point.html
Bus (electrical) bus_electrical.html
Busbar busbar.html
Busbar cost busbar_cost.html
Bwr bwr.html
Bypass bypass.html
Bypass diode bypass_diode.html
By-product by_product.html
C/gal c_gal.html
Cadmium (cd) cadmium_cd.html
Cadmium telluride (cdte) cadmium_telluride_cdte.html
Cafe cafe.html
Cage cage.html
California power exchange california_power_exchange.html
Calorie calorie.html
Calorific value calorific_value.html
Candela candela.html
Candle power candle_power.html
Cap rocks cap_rocks.html
Capability capability.html
Capability margin capability_margin.html
Capacitance capacitance.html
Capacitor capacitor.html
Capacity capacity.html
Capacity (condensing unit) capacity_condensing_unit.html
Capacity (effective, of a motor) capacity_effective_of_a_motor.html
Capacity (heating, of a material) capacity_heating_of_a_material.html
Capacity (purchased) capacity_purchased.html
Capacity charge capacity_charge.html
Capacity factor capacity_factor.html
Capacity, gross capacity_gross.html
Capacity, net summer capacity_net_summer.html
Capital cost capital_cost.html
Capital costs capital_costs.html
Captive electrolyte battery captive_electrolyte_battery.html
Carb carb.html
Carbohydrate carbohydrate.html
Carbon dioxide carbon_dioxide.html
Carbon monoxide carbon_monoxide.html
Carbon zinc cell battery carbon_zinc_cell_battery.html
Carnot cycle carnot_cycle.html
Cascading heat cascading_heat.html
Casing casing.html
Casinghead gas casinghead_gas.html
Casing-tubing annulus casing_tubing_annulus.html
Cast silicon cast_silicon.html
Catalyst catalyst.html
Catalytic converter catalytic_converter.html
Cathedral ceiling/roof cathedral_ceiling_roof.html
Cathode cathode.html
Cathode disconnect ballast cathode_disconnect_ballast.html
Cathodic protection cathodic_protection.html
Caulking caulking.html
Cavitation cavitation.html
Cbob cbob.html
Cd cd.html
Cdd cdd.html
Cdte cdte.html
Ceiling ceiling.html
Ceiling fan ceiling_fan.html
Cell cell.html
Cell (battery) cell_battery.html
Cell barrier cell_barrier.html
Cell junction cell_junction.html
Cellulase cellulase.html
Cellulose insulation cellulose_insulation.html
Census divisions census_divisions.html
Central heating system central_heating_system.html
Central power plant central_power_plant.html
Central receiver solar power plants central_receiver_solar_power_plants.html
Cercla cercla.html
Cetane number cetane_number.html
Cf cf.html
Cfc cfc.html
Cfs cfs.html
Ch4 ch4.html
Chain reaction chain_reaction.html
Char char.html
Charcoal charcoal.html
Charge charge.html
Charge carrier charge_carrier.html
Charge controller charge_controller.html
Charge factor charge_factor.html
Charge rate charge_rate.html
Chemical energy chemical_energy.html
Chemical vapor deposition (cvd) chemical_vapor_deposition_cvd.html
Chiller chiller.html
Chimney chimney.html
Chimney effect chimney_effect.html
Chlorofluorocarbon (cfc) chlorofluorocarbon_cfc.html
Chp chp.html
Christmas tree christmas_tree.html
Cif cif.html
Circuit circuit.html
Circuit breaker circuit_breaker.html
Circuit lag circuit_lag.html
Circuit(s) circuits.html
Circulating fluidized bed circulating_fluidized_bed.html
Clean power generator clean_power_generator.html
Clerestory clerestory.html
Climate climate.html
Climate change climate_change.html
Close coupled close_coupled.html
Closed cycle closed_cycle.html
Closed-loop biomass closed_loop_biomass.html
Closed-loop geothermal heat pump systems closed_loop_geothermal_heat_pump_systems.html
Cloud enhancement cloud_enhancement.html
Cmsa cmsa.html
Cng cng.html
Cnt cnt.html
Co co.html
Co2 co2.html
Coal coal.html
Coal fired power plant coal_fired_power_plant.html
Codes codes.html
Coefficient of heat transmission (u-value) coefficient_of_heat_transmission_u_value.html
Coefficient of performance (cop) coefficient_of_performance_cop.html
Coefficient of utilization (cu) coefficient_of_utilization_cu.html
Cofiring cofiring.html
Cogeneration cogeneration.html
Cogeneration cogeneration.html
Cogenerator cogenerator.html
Coil coil.html
Coincidence factor coincidence_factor.html
Coincident demand coincident_demand.html
Coincidental demand coincidental_demand.html
Coincidental peak load coincidental_peak_load.html
Coke (petroleum) coke_petroleum.html
Cold night sky cold_night_sky.html
Collector collector.html
Collector efficiency collector_efficiency.html
Collector field collector_field.html
Collector fluid collector_fluid.html
Collector tilt collector_tilt.html
Color rendering or rendition color_rendering_or_rendition.html
Color rendition (rendering) index (cri) color_rendition_rendering_index_cri.html
Color temperature color_temperature.html
Combined collector combined_collector.html
Combined cycle combined_cycle.html
Combined cycle unit combined_cycle_unit.html
Combined heat and power (chp) plant combined_heat_and_power_chp_plant.html
Combined pumped-storage plant combined_pumped_storage_plant.html
Combined-cycle power plant combined_cycle_power_plant.html
Combustion combustion.html
Combustion combustion.html
Combustion air combustion_air.html
Combustion chamber combustion_chamber.html
Combustion gases combustion_gases.html
Combustion power plant combustion_power_plant.html
Combustion turbine combustion_turbine.html
Comfort zone comfort_zone.html
Commercial commercial.html
Commercial building commercial_building.html
Commercial operation commercial_operation.html
Commercial sector commercial_sector.html
Commercial sector (of economy) commercial_sector_of_economy.html
Commission commission.html
Commissioning commissioning.html
Common reservoir common_reservoir.html
Compact fluorescent compact_fluorescent.html
Comparison group comparison_group.html
Competitive transition charge competitive_transition_charge.html
Complete mix digester complete_mix_digester.html
Composting composting.html
Composting toilet composting_toilet.html
Compound paraboloid collector compound_paraboloid_collector.html
Compressed air storage compressed_air_storage.html
Compressed natural gas (cng) compressed_natural_gas_cng.html
Compression chiller compression_chiller.html
Compressor compressor.html
Concentrating (solar) collector concentrating_solar_collector.html
Concentrator concentrator.html
Condensate condensate.html
Condensate (also called lease condensate) condensate_also_called_lease_condensate.html
Condensation condensation.html
Condenser condenser.html
Condenser coil condenser_coil.html
Condensing furnace condensing_furnace.html
Condensing unit condensing_unit.html
Conditioned space conditioned_space.html
Conduction conduction.html
Conduction band conduction_band.html
Conduction band (or conduction level) conduction_band_or_conduction_level.html
Conductivity (thermal) conductivity_thermal.html
Conductor conductor.html
Conduit conduit.html
Congestion congestion.html
Congressional (energy) committees: congressional_energy_committees.html
Connection charge connection_charge.html
Conservation conservation.html
Conservation cost adjustment conservation_cost_adjustment.html
Constant dollars constant_dollars.html
Constant-speed wind turbines constant_speed_wind_turbines.html
Construct construct.html
Consumption (fuel) consumption_fuel.html
Consumption charge consumption_charge.html
Contact resistance contact_resistance.html
Continuous fermentation continuous_fermentation.html
Contract price contract_price.html
Contract receipts contract_receipts.html
Contrast contrast.html
Control group control_group.html
Convection convection.html
Conventional fuel conventional_fuel.html
Conventional heat pump conventional_heat_pump.html
Conventional hydroelectric (hydropower) plant conventional_hydroelectric_hydropower_plant.html
Conventional power conventional_power.html
Conversion efficiency conversion_efficiency.html
Conversion factors conversion_factors.html
Converter converter.html
Cooling capacity cooling_capacity.html
Cooling degree day cooling_degree_day.html
Cooling load cooling_load.html
Cooling pond cooling_pond.html
Cooling tower cooling_tower.html
Cooperative electric utility cooperative_electric_utility.html
Copper indium diselenide (cuinse2, or cis) copper_indium_diselenide_cuinse2_or_cis.html
Coproducts coproducts.html
Cord (of wood) cord_of_wood.html
Cost cost.html
Cost-benefit and cost-effectiveness cost_benefit_and_cost_effectiveness.html
Cost-of-service regulation cost_of_service_regulation.html
Coulomb coulomb.html
Counterflow heat exchanger counterflow_heat_exchanger.html
Covenants covenants.html
Cpi cpi.html
Crawlspace crawlspace.html
Creosote creosote.html
Critical compression pressure critical_compression_pressure.html
Cross-sectional data cross_sectional_data.html
Crude oil crude_oil.html
Crust crust.html
Crystalline silicon crystalline_silicon.html
Crystalline silicon photovoltaic cell crystalline_silicon_photovoltaic_cell.html
Cube law cube_law.html
Cubic foot (of natural gas) cubic_foot_of_natural_gas.html
Cubic foot of gas or standard cubic foot of gas cubic_foot_of_gas_or_standard_cubic_foot_of_gas.html
Current current.html
Current (electric) current_electric.html
Current (electrical) current_electrical.html
Current at maximum power (imp) current_at_maximum_power_imp.html
Current dollars current_dollars.html
Customer charge customer_charge.html
Customer choice customer_choice.html
Customer class customer_class.html
Cut-in-speed cut_in_speed.html
Cutoff voltage cutoff_voltage.html
Cut-out-speed cut_out_speed.html
Cwip cwip.html
Cycle cycle.html
Cycling losses cycling_losses.html
Cyclone burner cyclone_burner.html
Czochralski process czochralski_process.html
Dam dam.html
Damper damper.html
Dangling bonds dangling_bonds.html
Darrius (wind) machine darrius_wind_machine.html
Day-ahead market day_ahead_market.html
Day-ahead schedule day_ahead_schedule.html
Daylighting daylighting.html
Days of storage days_of_storage.html
Dc dc.html
Dc-to-dc converter dc_to_dc_converter.html
Decentralized (energy) system decentralized_energy_system.html
Declination declination.html
Declining block rate declining_block_rate.html
Decommissioning decommissioning.html
Decomposition decomposition.html
Deemed savings deemed_savings.html
De-energize(d) de_energized.html
Deep discharge deep_discharge.html
Deep-cycle battery deep_cycle_battery.html
Defensibility defensibility.html
Deforestation: deforestation.html
Degree day degree_day.html
Degree hour degree_hour.html
Dehumidifier dehumidifier.html
Demand demand.html
Demand (electric) demand_electric.html
Demand (tankless) water heater demand_tankless_water_heater.html
Demand bid demand_bid.html
Demand charge demand_charge.html
Demand power demand_power.html
Demand(ed) factor demanded_factor.html
Demand-side management demand_side_management.html
Demand-side management (dsm) demand_side_management_dsm.html
Dendrite dendrite.html
Dendritic web technique dendritic_web_technique.html
Department of agriculture (usda) department_of_agriculture_usda.html
Department of energy (doe) department_of_energy_doe.html
Dependable capacity dependable_capacity.html
Depletion zone depletion_zone.html
Depth of discharge (dod) depth_of_discharge_dod.html
Derating derating.html
Deregulation deregulation.html
Derrick derrick.html
Desiccant desiccant.html
Desiccant cooling desiccant_cooling.html
Desiccation desiccation.html
Design cooling load design_cooling_load.html
Design heating load design_heating_load.html
Design life design_life.html
Design month design_month.html
Design temperature design_temperature.html
Design tip speed ratio design_tip_speed_ratio.html
Design voltage design_voltage.html
Desuperheater desuperheater.html
Development well development_well.html
Dewpoint dewpoint.html
Diagonal diagonal.html
Diesel engine diesel_engine.html
Diesel fuel diesel_fuel.html
Difference of potential difference_of_potential.html
Differential thermostat differential_thermostat.html
Diffuse insolation diffuse_insolation.html
Diffuse radiation diffuse_radiation.html
Diffuse solar radiation diffuse_solar_radiation.html
Diffusion diffusion.html
Diffusion furnace diffusion_furnace.html
Diffusion length diffusion_length.html
Diffusion length diffusion_length.html
Digester (anaerobic) digester_anaerobic.html
Digester gas digester_gas.html
Dimmer dimmer.html
Diode diode.html
Dip tube dip_tube.html
Direct access direct_access.html
Direct beam radiation direct_beam_radiation.html
Direct current (dc) direct_current_dc.html
Direct customers direct_customers.html
Direct insolation direct_insolation.html
Direct load control direct_load_control.html
Direct solar water heater direct_solar_water_heater.html
Direct use direct_use.html
Direct vent heater direct_vent_heater.html
Direct water heater direct_water_heater.html
Direct-gain direct_gain.html
Discharge discharge.html
Discharge factor discharge_factor.html
Discharge rate discharge_rate.html
Disconnect disconnect.html
Discount rate discount_rate.html
Discounting discounting.html
Discovery date discovery_date.html
Discovery well discovery_well.html
Dispatchability dispatchability.html
Dispatching dispatching.html
Displacement power displacement_power.html
Disposal well disposal_well.html
Dissolved gas dissolved_gas.html
Distillate fuel oil distillate_fuel_oil.html
Distillation unit (atmospheric) distillation_unit_atmospheric.html
Distributed energy resources (der) distributed_energy_resources_der.html
Distributed generation distributed_generation.html
Distributed generation (distributed energy resources) distributed_generation_distributed_energy_resources.html
Distributed power distributed_power.html
Distributed systems distributed_systems.html
Distribution distribution.html
Distribution feeder distribution_feeder.html
Distribution line distribution_line.html
Distribution system distribution_system.html
District heating district_heating.html
District office district_office.html
Diversity factor diversity_factor.html
Divestiture divestiture.html
Doe doe.html
Doe-2.1 doe_21.html
Dome (geodesic) dome_geodesic.html
Domestic hot water domestic_hot_water.html
Donor donor.html
Donor level donor_level.html
Dopant dopant.html
Doping doping.html
Double wall heat exchanger double_wall_heat_exchanger.html
Double-pane or glazed window double_pane_or_glazed_window.html
Downstream downstream.html
Downtime downtime.html
Downwind wind turbine downwind_wind_turbine.html
Draft draft.html
Draft diverter draft_diverter.html
Draft hood draft_hood.html
Draft tube draft_tube.html
Drag drag.html
Drainback (solar) systems drainback_solar_systems.html
Draindown (solar) systems draindown_solar_systems.html
Drb drb.html
Drilling drilling.html
Dry bulb temperature dry_bulb_temperature.html
Dry cell dry_cell.html
Dry gas dry_gas.html
Dry hole dry_hole.html
Dry steam dry_steam.html
Dry steam geothermal plants dry_steam_geothermal_plants.html
Dsm dsm.html
Dtw dtw.html
Dual duct system dual_duct_system.html
Dual fuel (or flex fuel) vehicle dual_fuel_or_flex_fuel_vehicle.html
Duct fan duct_fan.html
Duct(s) ducts.html
Duty cycle duty_cycle.html
Duty rating duty_rating.html
Dynamic head dynamic_head.html
Dynamo dynamo.html
Dynamometer dynamometer.html
Dyne dyne.html
E-10 e_10.html
E85 e85.html
E-85 e_85.html
E95 e95.html
Ear ear.html
Earth berm earth_berm.html
Earth cooling tube earth_cooling_tube.html
Earth sheltered houses earth_sheltered_houses.html
Earth-coupled ground source (geothermal) heat pump earth_coupled_ground_source_geothermal_heat_pump.html
Earth-ship earth_ship.html
Easement easement.html
Eccentric eccentric.html
Economizer economizer.html
Edge-defined film-fed growth (efg) edge_defined_film_fed_growth_efg.html
Effective capacity effective_capacity.html
Efficiency efficiency.html
Efficiency (appliance) ratings efficiency_appliance_ratings.html
Eia eia.html
Eis eis.html
Elasticity of demand elasticity_of_demand.html
Electric circuit electric_circuit.html
Electric energy electric_energy.html
Electric furnace electric_furnace.html
Electric logs electric_logs.html
Electric motor electric_motor.html
Electric plant (physical) electric_plant_physical.html
Electric power electric_power.html
Electric power plant electric_power_plant.html
Electric power sector electric_power_sector.html
Electric power transmission electric_power_transmission.html
Electric rate electric_rate.html
Electric rate schedule electric_rate_schedule.html
Electric resistance heating electric_resistance_heating.html
Electric service provider electric_service_provider.html
Electric system electric_system.html
Electric system loss(es) electric_system_losses.html
Electric utility electric_utility.html
Electric utility restructuring electric_utility_restructuring.html
Electric vehicles electric_vehicles.html
Electrical charge electrical_charge.html
Electrical energy electrical_energy.html
Electrical grid electrical_grid.html
Electrical system electrical_system.html
Electrical system energy losses electrical_system_energy_losses.html
Electricity electricity.html
Electricity generation electricity_generation.html
Electricity grid electricity_grid.html
Electricity industry restructuring electricity_industry_restructuring.html
Electrochemical cell electrochemical_cell.html
Electrochemical cell electrochemical_cell.html
Electrochemistry electrochemistry.html
Electrode electrode.html
Electrodeposition electrodeposition.html
Electrolysis electrolysis.html
Electrolyte electrolyte.html
Electromagnetic electromagnetic.html
Electromagnetic energy electromagnetic_energy.html
Electromagnetic field (emf) electromagnetic_field_emf.html
Electromagnetic waves electromagnetic_waves.html
Electromotive force electromotive_force.html
Electron electron.html
Electron volt electron_volt.html
Electron volt (ev) electron_volt_ev.html
Electronic ballast electronic_ballast.html
Electrostatic precipitator electrostatic_precipitator.html
Element element.html
Ellipsoidal reflector lamp ellipsoidal_reflector_lamp.html
Emission factor emission_factor.html
Emission(s) emissions.html
Emissivity emissivity.html
Enclosure enclosure.html
End use end_use.html
Endothermic endothermic.html
Energize(d) energized.html
Energy energy.html
Energy audit energy_audit.html
Energy charge energy_charge.html
Energy consumption energy_consumption.html
Energy contribution potential energy_contribution_potential.html
Energy crop energy_crop.html
Energy deliveries energy_deliveries.html
Energy density energy_density.html
Energy effects energy_effects.html
Energy efficiency energy_efficiency.html
Energy efficiency energy_efficiency.html
Energy efficiency ratio (eer) energy_efficiency_ratio_eer.html
Energy efficient mortgages energy_efficient_mortgages.html
Energy end-use sectors energy_end_use_sectors.html
Energy factor (ef) energy_factor_ef.html
Energy guide labels energy_guide_labels.html
Energy intensity energy_intensity.html
Energy levels energy_levels.html
Energy policy act of 1992 (epact) energy_policy_act_of_1992_epact.html
Energy receipts energy_receipts.html
Energy security act of 1980 energy_security_act_of_1980.html
Energy service company (esco) energy_service_company_esco.html
Energy source energy_source.html
Energy storage energy_storage.html
Enhanced geothermal systems enhanced_geothermal_systems.html
Enhanced oil recovery (eor) enhanced_oil_recovery_eor.html
Enthalpy enthalpy.html
Entrained bed gasifier entrained_bed_gasifier.html
Entropy entropy.html
Environment environment.html
Enzyme enzyme.html
Eor eor.html
Epa epa.html
Epact epact.html
Epitaxial growth epitaxial_growth.html
Equalization equalization.html
Equalization charge equalization_charge.html
Equalizing charge equalizing_charge.html
Equinox equinox.html
Erg erg.html
Ester ester.html
Etbe etbe.html
Ethane ethane.html
Ethanol ethanol.html
Ethanol ethanol.html
Ethyl tertiary butyl ether (etbe) ethyl_tertiary_butyl_ether_etbe.html
Eu eu.html
Eutectic eutectic.html
Eutectic salts eutectic_salts.html
Evacuated tube evacuated_tube.html
Evacuated-tube collector evacuated_tube_collector.html
Evaluation evaluation.html
Evaporation evaporation.html
Evaporative cooling evaporative_cooling.html
Evaporator coil evaporator_coil.html
Ewg ewg.html
Excitation excitation.html
Exempt wholesale generator exempt_wholesale_generator.html
Exothermic exothermic.html
Expanded polystyrene expanded_polystyrene.html
Expansion tank expansion_tank.html
Expansion valve expansion_valve.html
Exploratory well exploratory_well.html
External combustion engine external_combustion_engine.html
External factor external_factor.html
External validity external_validity.html
Externality externality.html
Extraction loss extraction_loss.html
Extrinsic semiconductor extrinsic_semiconductor.html
Extruded polystyrene extruded_polystyrene.html
Facility facility.html
Fan fan.html
Fan coil fan_coil.html
Fan velocity pressure fan_velocity_pressure.html
Farad farad.html
Farmout farmout.html
Fas. fas.html
Fasb fasb.html
Fatty acid fatty_acid.html
Fault fault.html
Fbr fbr.html
Feather feather.html
Federal energy management program (femp) federal_energy_management_program_femp.html
Federal energy regulatory commission (ferc) federal_energy_regulatory_commission_ferc.html
Federal energy regulatory commission (ferc) federal_energy_regulatory_commission_ferc.html
Federal power act federal_power_act.html
Federal power commission federal_power_commission.html
Federal power marketing administrations (pma) federal_power_marketing_administrations_pma.html
Feeder feeder.html
Feedstock feedstock.html
Fenestration fenestration.html
Ferc ferc.html
Fermentation fermentation.html
Fermi level fermi_level.html
Fgd fgd.html
Fiberglass insulation fiberglass_insulation.html
Field field.html
Field rules field_rules.html
Filament filament.html
Fill factor fill_factor.html
Filter (air) filter_air.html
Fin fin.html
Finish finish.html
Fire classification fire_classification.html
Fireplace fireplace.html
Fireplace insert fireplace_insert.html
Fire-rating fire_rating.html
Firewall firewall.html
Firing rate firing_rate.html
Firm gas firm_gas.html
Firm power firm_power.html
First law of thermodynamics first_law_of_thermodynamics.html
Fiscal year (fy) fiscal_year_fy.html
Fission fission.html
Fixed tilt array fixed_tilt_array.html
Flame spread classification flame_spread_classification.html
Flame spread rating flame_spread_rating.html
Flash steam flash_steam.html
Flashing flashing.html
Flashpoint flashpoint.html
Flash-steam geothermal plants flash_steam_geothermal_plants.html
Flat plate pumped flat_plate_pumped.html
Flat plate solar connector flat_plate_solar_connector.html
Flat plate solar photovoltaic module flat_plate_solar_photovoltaic_module.html
Flat plate solar thermal/heating collectors flat_plate_solar_thermal_heating_collectors.html
Flat roof flat_roof.html
Flat-black paint flat_black_paint.html
Flat-plate array flat_plate_array.html
Flat-plate module flat_plate_module.html
Flat-plate photovoltaics (pv) flat_plate_photovoltaics_pv.html
Float charge float_charge.html
Float life float_life.html
Float service float_service.html
Float-zone process float_zone_process.html
Floor floor.html
Floor space floor_space.html
Flow flow.html
Flow condition flow_condition.html
Flow restrictor flow_restrictor.html
Flue flue.html
Flue gas flue_gas.html
Flue gas desulfurization unit (scrubber) flue_gas_desulfurization_unit_scrubber.html
Flue gas particulate collectors flue_gas_particulate_collectors.html
Fluffing fluffing.html
Fluidized bed combustion (fbc) fluidized_bed_combustion_fbc.html
Fluorescent light fluorescent_light.html
Fly ash fly_ash.html
Flywheel effect flywheel_effect.html
Fme fme.html
Foam (insulation) foam_insulation.html
Foam board foam_board.html
Foam core panels foam_core_panels.html
Fob fob.html
Foot candle foot_candle.html
Foot pound foot_pound.html
Force force.html
Forced air system or furnace forced_air_system_or_furnace.html
Forced outage forced_outage.html
Forced ventilation forced_ventilation.html
Formaldehyde formaldehyde.html
Formation formation.html
Fossil fuel fossil_fuel.html
Fossil-fuel plant fossil_fuel_plant.html
Foundation foundation.html
Fpc fpc.html
Frac frac.html
Fractional horse power motor fractional_horse_power_motor.html
Frame (window) frame_window.html
Framing framing.html
Francis turbine francis_turbine.html
Freon freon.html
Frequency frequency.html
Frequency regulation frequency_regulation.html
Fresnel lens fresnel_lens.html
Friction head friction_head.html
Frs frs.html
Fuel fuel.html
Fuel and shrinkage fuel_and_shrinkage.html
Fuel cells fuel_cells.html
Fuel cycle fuel_cycle.html
Fuel efficiency fuel_efficiency.html
Fuel expenses fuel_expenses.html
Fuel grade alcohol fuel_grade_alcohol.html
Fuel oil fuel_oil.html
Fuel rate fuel_rate.html
Fuelwood fuelwood.html
Full sun full_sun.html
Full-forced outage full_forced_outage.html
Fumarole fumarole.html
Fungi fungi.html
Furling furling.html
Furnace furnace.html
Furnace (residential) furnace_residential.html
Fuse fuse.html
Fusion fusion.html
Futures market futures_market.html
Ga ga.html
Gaas gaas.html
Gal gal.html
Gallium (ga) gallium_ga.html
Gallium arsenide gallium_arsenide.html
Gallium arsenide (gaas) gallium_arsenide_gaas.html
Gallon gallon.html
Gas gas.html
Gas lift gas_lift.html
Gas to liquids (gtl) gas_to_liquids_gtl.html
Gas turbine gas_turbine.html
Gas turbine plant gas_turbine_plant.html
Gas well gas_well.html
Gasification gasification.html
Gasifier gasifier.html
Gasket/seal gasket_seal.html
Gasohol gasohol.html
Gas-oil ratio (g.o.r.) gas_oil_ratio_gor.html
Gasoline gasoline.html
Gassing gassing.html
Gassing current gassing_current.html
Gatherer gatherer.html
Gathering line gathering_line.html
Gauss gauss.html
Gdp gdp.html
Gel-type battery gel_type_battery.html
Generalizability generalizability.html
Generating capacity generating_capacity.html
Generating unit generating_unit.html
Generation (electricity) generation_electricity.html
Generation company generation_company.html
Generator generator.html
Generator nameplate capacity generator_nameplate_capacity.html
Geology geology.html
Geopressurized brines geopressurized_brines.html
Geothermal geothermal.html
Geothermal energy geothermal_energy.html
Geothermal energy and associated resources geothermal_energy_and_associated_resources.html
Geothermal gradient geothermal_gradient.html
Geothermal heat pump geothermal_heat_pump.html
Geothermal heat pumps geothermal_heat_pumps.html
Geothermal plant geothermal_plant.html
Geothermal power station geothermal_power_station.html
Geothermal resource well geothermal_resource_well.html
Geyser geyser.html
Geysers, the geysers_the.html
Giga giga.html
Gigawatt (gw) gigawatt_gw.html
Gigawatthour (gwh) gigawatthour_gwh.html
Gin pole gin_pole.html
Glare glare.html
Glauber's salt glauber_s_salt.html
Glazing glazing.html
Global insolation (or solar radiation) global_insolation_or_solar_radiation.html
Global warming global_warming.html
Glucose glucose.html
Glycerin glycerin.html
Gnp gnp.html
Governor governor.html
Grain alcohol grain_alcohol.html
Gravity gravity.html
Green certificates green_certificates.html
Green power green_power.html
Green pricing green_pricing.html
Green pricing/marketing green_pricing_marketing.html
Greenhouse effect greenhouse_effect.html
Greenhouse emissions greenhouse_emissions.html
Greenhouse gas greenhouse_gas.html
Greenhouse gases greenhouse_gases.html
Greenwood greenwood.html
Greywater greywater.html
Grid grid.html
Grid lines grid_lines.html
Grid-connected system grid_connected_system.html
Grid-interactive system grid_interactive_system.html
Gross calorific value gross_calorific_value.html
Gross generation gross_generation.html
Ground ground.html
Ground loop ground_loop.html
Ground reflection ground_reflection.html
Ground-source heat pump ground_source_heat_pump.html
Guy wire guy_wire.html
Gvw gvw.html
Gw gw.html
Gwe gwe.html
Gwh gwh.html
Gwp gwp.html
H h.html
Hardwoods hardwoods.html
Harmonic content harmonic_content.html
Harmonic(s) harmonics.html
Hcfc hcfc.html
Hdd hdd.html
Hdr hdr.html
Head head.html
Headwater headwater.html
Heat heat.html
Heat absorbing window glass heat_absorbing_window_glass.html
Heat balance heat_balance.html
Heat content heat_content.html
Heat engine heat_engine.html
Heat exchanger heat_exchanger.html
Heat flow heat_flow.html
Heat gain heat_gain.html
Heat loss heat_loss.html
Heat pipe heat_pipe.html
Heat pump heat_pump.html
Heat pump (air source) heat_pump_air_source.html
Heat pump (efficiency) heat_pump_efficiency.html
Heat pump (geothermal) heat_pump_geothermal.html
Heat pump water heaters heat_pump_water_heaters.html
Heat rate heat_rate.html
Heat recovery ventilator heat_recovery_ventilator.html
Heat register heat_register.html
Heat sink heat_sink.html
Heat source heat_source.html
Heat storage heat_storage.html
Heat storage capacity heat_storage_capacity.html
Heat transfer heat_transfer.html
Heat transfer fluid heat_transfer_fluid.html
Heat transmission coefficient heat_transmission_coefficient.html
Heating capacity (also specific heat) heating_capacity_also_specific_heat.html
Heating degree day(s) (hdd) heating_degree_days_hdd.html
Heating equipment heating_equipment.html
Heating fuel units heating_fuel_units.html
Heating fuels heating_fuels.html
Heating load heating_load.html
Heating season heating_season.html
Heating seasonal performance factor (hspf) heating_seasonal_performance_factor_hspf.html
Heating value heating_value.html
Heating, ventilation, and air-conditioning (hvac) system heating_ventilation_and_air_conditioning_hvac_system.html
Heavy oil heavy_oil.html
Hedging contracts hedging_contracts.html
Heliochemical process heliochemical_process.html
Heliodon heliodon.html
Heliostat heliostat.html
Heliothermal heliothermal.html
Heliothermic heliothermic.html
Heliothermometer heliothermometer.html
Heliotropic heliotropic.html
Hemispherical bowl technology hemispherical_bowl_technology.html
Henry hub henry_hub.html
Hertz hertz.html
Heterojunction heterojunction.html
Hfc hfc.html
Hid hid.html
High voltage disconnect high_voltage_disconnect.html
High voltage disconnect hysteresis high_voltage_disconnect_hysteresis.html
Higher heating value (hhv) higher_heating_value_hhv.html
High-intensity discharge lamp high_intensity_discharge_lamp.html
High-pressure sodium lamp high_pressure_sodium_lamp.html
High-temperature collector high_temperature_collector.html
Hole hole.html
Home energy rating systems (hers) home_energy_rating_systems_hers.html
Homojunction homojunction.html
Horizontal drilling horizontal_drilling.html
Horizontal ground loop horizontal_ground_loop.html
Horizontal-axis wind turbines horizontal_axis_wind_turbines.html
Horsepower horsepower.html
Horsepower (hp) horsepower_hp.html
Horsepower hour (hph) horsepower_hour_hph.html
Hot air furnace hot_air_furnace.html
Hot dry rock hot_dry_rock.html
Hot water heating systems hot_water_heating_systems.html
Htgr htgr.html
Hub hub.html
Hub height hub_height.html
Humidifier humidifier.html
Humidity humidity.html
Hva hva.html
Hvac hvac.html
Hvb hvb.html
Hvc hvc.html
Hybrid system hybrid_system.html
Hydrocarbon (hc) hydrocarbon_hc.html
Hydroelectric plant hydroelectric_plant.html
Hydroelectric power plant hydroelectric_power_plant.html
Hydrogen hydrogen.html
Hydrogenated amorphous silicon hydrogenated_amorphous_silicon.html
Hydrolysis hydrolysis.html
Hydronic heating systems hydronic_heating_systems.html
Hydropower hydropower.html
Hydrothermal fluids hydrothermal_fluids.html
Hydrothermal resource hydrothermal_resource.html
Iea iea.html
Ignite ignite.html
Ignition point ignition_point.html
Illuminance illuminance.html
Impact evaluation impact_evaluation.html
Impoundment impoundment.html
Impulse turbine impulse_turbine.html
Incandescent incandescent.html
Incandescent light bulb incandescent_light_bulb.html
Incentives incentives.html
Incident light incident_light.html
Incident solar radiation incident_solar_radiation.html
Incremental effects incremental_effects.html
Independent power producer independent_power_producer.html
Independent power producer (ipp) independent_power_producer_ipp.html
Independent power producers independent_power_producers.html
Independent producer independent_producer.html
Independent system operators independent_system_operators.html
Indicator (also performance indicator) indicator_also_performance_indicator.html
Indirect solar gain system indirect_solar_gain_system.html
Indirect solar water heater indirect_solar_water_heater.html
Indium oxide indium_oxide.html
Induction induction.html
Induction generator induction_generator.html
Induction motor induction_motor.html
Industrial industrial.html
Industrial process heat industrial_process_heat.html
Industrial sector industrial_sector.html
Industrial sector (of the economy) industrial_sector_of_the_economy.html
Inert gas inert_gas.html
Inertia inertia.html
Infrared radiation infrared_radiation.html
Injection injection.html
Injection well injection_well.html
Input voltage input_voltage.html
Insolation insolation.html
Installed capacity installed_capacity.html
Instantaneous efficiency (of a solar collector) instantaneous_efficiency_of_a_solar_collector.html
Insulation insulation.html
Insulation blanket insulation_blanket.html
Insulator insulator.html
Integral collector storage system integral_collector_storage_system.html
Integrated heating systems integrated_heating_systems.html
Integrated resource plan (irp) integrated_resource_plan_irp.html
Interconnect interconnect.html
Interconnection interconnection.html
Intermediate load (electric system) intermediate_load_electric_system.html
Intermittent generators intermittent_generators.html
Internal collector storage (ics) internal_collector_storage_ics.html
Internal combustion electric power plant internal_combustion_electric_power_plant.html
Internal combustion plant internal_combustion_plant.html
Internal gain internal_gain.html
Internal mass internal_mass.html
Internal rate of return internal_rate_of_return.html
Internal validity internal_validity.html
Interruptible gas interruptible_gas.html
Interruptible load interruptible_load.html
Intrinsic layer intrinsic_layer.html
Intrinsic semiconductor intrinsic_semiconductor.html
Inverter inverter.html
Investment tax credit investment_tax_credit.html
Investor owned utility (iou) investor_owned_utility_iou.html
Investor-owned utility investor_owned_utility.html
Ion ion.html
Ionizer ionizer.html
Iou iou.html
Ipp ipp.html
Irradiance irradiance.html
Iso iso.html
Isolated solar gain system isolated_solar_gain_system.html
Ispra guidelines ispra_guidelines.html
I-type semiconductor i_type_semiconductor.html
I-v curve i_v_curve.html
Jacket jacket.html
Joist joist.html
Joule joule.html
Joule's law joule_s_law.html
Junction junction.html
Junction box junction_box.html
Junction diode junction_diode.html
Kaplan turbine kaplan_turbine.html
Kelly bushing kelly_bushing.html
Kerosene kerosene.html
Kgra kgra.html
Kilovolt-ampere (kva) kilovolt_ampere_kva.html
Kilowatt (kw) kilowatt_kw.html
Kilowatthour(kwh) kilowatthourkwh.html
Kinetic kinetic.html
Kinetic energy kinetic_energy.html
Kinetic theory of energy kinetic_theory_of_energy.html
Kinetic theory of gases kinetic_theory_of_gases.html
Kneewall kneewall.html
Kva kva.html
Kw kw.html
Kwe kwe.html
Kwh kwh.html
Lagoon lagoon.html
Lamp lamp.html
Landfill gas landfill_gas.html
Landscaping landscaping.html
Langley langley.html
Langley (l) langley_l.html
Latent cooling load latent_cooling_load.html
Latent heat latent_heat.html
Latent heat of vaporization latent_heat_of_vaporization.html
Lattice lattice.html
Law(s) of thermodynamics laws_of_thermodynamics.html
Lb lb.html
Ldc ldc.html
Lead acid battery lead_acid_battery.html
Lead-acid battery lead_acid_battery.html
Leading edge leading_edge.html
Leaking electricity leaking_electricity.html
Lethe lethe.html
Levelized cost levelized_cost.html
Levelized life cycle cost levelized_life_cycle_cost.html
Levp levp.html
Lhv lhv.html
Life life.html
Life cycle cost life_cycle_cost.html
Life-cycle cost life_cycle_cost.html
Lift lift.html
Light light.html
Light oil light_oil.html
Light quality light_quality.html
Light trapping light_trapping.html
Light-induced defects light_induced_defects.html
Lignite lignite.html
Liheap liheap.html
Limited liability corporation (llc) limited_liability_corporation_llc.html
Line loss (or drop) line_loss_or_drop.html
Line-commutated inverter line_commutated_inverter.html
Liquefied petroleum gas (lpg) liquefied_petroleum_gas_lpg.html
Liquid collector liquid_collector.html
Liquid electrolyte battery liquid_electrolyte_battery.html
Liquid-based solar heating system liquid_based_solar_heating_system.html
Liquid-to-air heat exchanger liquid_to_air_heat_exchanger.html
Liquid-to-liquid heat exchanger liquid_to_liquid_heat_exchanger.html
Lithium-sulfur battery lithium_sulfur_battery.html
Live steam live_steam.html
Lng lng.html
Load load.html
Load (electric) load_electric.html
Load analysis load_analysis.html
Load circuit load_circuit.html
Load current (a) load_current_a.html
Load duration curve load_duration_curve.html
Load factor load_factor.html
Load forecast load_forecast.html
Load leveling load_leveling.html
Load management load_management.html
Load profile or shape load_profile_or_shape.html
Load resistance load_resistance.html
Load shape load_shape.html
Load shedding load_shedding.html
Load shifting load_shifting.html
Local solar time local_solar_time.html
Log law log_law.html
Logic model logic_model.html
Long string long_string.html
Long ton long_ton.html
Longitudinal data longitudinal_data.html
Longwall mining longwall_mining.html
Long-wave radiation long_wave_radiation.html
Loose fill insulation loose_fill_insulation.html
Loss of load probability (lolp) loss_of_load_probability_lolp.html
Losses (energy) losses_energy.html
Low btu gas low_btu_gas.html
Low flush toilet low_flush_toilet.html
Low head low_head.html
Low temperature extraction (ltx) unit low_temperature_extraction_ltx_unit.html
Low voltage cutoff (lvc) low_voltage_cutoff_lvc.html
Low voltage disconnect low_voltage_disconnect.html
Low voltage disconnect hysteresis low_voltage_disconnect_hysteresis.html
Low voltage warning low_voltage_warning.html
Low-e coatings & (window) films low_e_coatings_and_window_films.html
Low-emissivity windows & (window) films low_emissivity_windows_and_window_films.html
Lower (net) heating value lower_net_heating_value.html
Low-flow solar water heating systems low_flow_solar_water_heating_systems.html
Low-pressure sodium lamp low_pressure_sodium_lamp.html
Low-temperature collectors low_temperature_collectors.html
Lpg lpg.html
Lrg lrg.html
Lumen lumen.html
Lumens/watt (lpw) lumens_watt_lpw.html
Luminaire luminaire.html
Luminance luminance.html
Lux lux.html
Lv lv.html
Lwr lwr.html
M m.html
Magma magma.html
Magnet magnet.html
Magnetic ballast magnetic_ballast.html
Maintenance-free battery maintenance_free_battery.html
Majority carrier majority_carrier.html
Make-up air make_up_air.html
Mantle mantle.html
Manual j manual_j.html
Marginal cost marginal_cost.html
Market clearing price market_clearing_price.html
Market-based pricing market_based_pricing.html
Masonry masonry.html
Masonry stove masonry_stove.html
Mass burn facility mass_burn_facility.html
Maximum demand maximum_demand.html
Maximum power point (mpp) maximum_power_point_mpp.html
Maximum power point tracker (mppt) maximum_power_point_tracker_mppt.html
Maximum power tracking maximum_power_tracking.html
Mcf mcf.html
Mean power output (of a wind turbine) mean_power_output_of_a_wind_turbine.html
Mean wind speed mean_wind_speed.html
Measurement measurement.html
Mechanical energy mechanical_energy.html
Mechanical power mechanical_power.html
Mechanical systems mechanical_systems.html
Mecs mecs.html
Median wind speed median_wind_speed.html
Medium btu gas medium_btu_gas.html
Medium pressure medium_pressure.html
Medium-temperature collectors medium_temperature_collectors.html
Megawatt (mw) megawatt_mw.html
Megawatthour (mwh) megawatthour_mwh.html
Mercaptan mercaptan.html
Mercury vapor lamp mercury_vapor_lamp.html
Met met.html
Metal halide lamp metal_halide_lamp.html
Methane methane.html
Metric ton (tonne) metric_ton_tonne.html
Microclimate microclimate.html
Microgroove microgroove.html
Micrometer micrometer.html
Miles per gallon (mpg) miles_per_gallon_mpg.html
Mill mill.html
Minority carrier minority_carrier.html
Minority carrier lifetime minority_carrier_lifetime.html
Mixing valve mixing_valve.html
Mm mm.html
Mmbbl/d mmbbl_d.html
Mmbo mmbo.html
Mmbtu mmbtu.html
Mmcf mmcf.html
Mmgal/d mmgal_d.html
Mmst mmst.html
Mobile home mobile_home.html
Modified degree-day method modified_degree_day_method.html
Modified sine wave modified_sine_wave.html
Modularity modularity.html
Module module.html
Module derate factor module_derate_factor.html
Moisture content moisture_content.html
Moisture control moisture_control.html
Molecule molecule.html
Monoculture monoculture.html
Monolithic monolithic.html
Monopoly monopoly.html
Motor motor.html
Motor speed motor_speed.html
Movable insulation movable_insulation.html
Movistor movistor.html
Mpg mpg.html
Msa msa.html
Msha msha.html
Msw msw.html
Msw (municipal solid waste) msw_municipal_solid_waste.html
Mtbe mtbe.html
Mud mud.html
Multicrystalline multicrystalline.html
Multifamily dwellings multifamily_dwellings.html
Multijunction device multijunction_device.html
Multiple 49(b) multiple_49b.html
Multiple completion multiple_completion.html
Multiplier effect multiplier_effect.html
Multi-stage controller multi_stage_controller.html
Multi-zone system multi_zone_system.html
Municipal solid waste (msw) municipal_solid_waste_msw.html
Municipal waste municipal_waste.html
Municipal waste to energy project (or plant) municipal_waste_to_energy_project_or_plant.html
Mv mv.html
Mw mw.html
Mwe mwe.html
Mwh mwh.html
N2o n2o.html
Naaqs naaqs.html
Nacelle nacelle.html
Naics naics.html
Name plate name_plate.html
Naruc naruc.html
National electrical code (nec) national_electrical_code_nec.html
National electrical manufacturers association (nema) national_electrical_manufacturers_association_nema.html
National rural electric cooperative association (nreca) national_rural_electric_cooperative_association_nreca.html
Natural cooling natural_cooling.html
Natural draft natural_draft.html
Natural gas natural_gas.html
Natural gas hydrates natural_gas_hydrates.html
Natural gas liquids (ngl) natural_gas_liquids_ngl.html
Natural gas or gas natural_gas_or_gas.html
Natural gas steam reforming production natural_gas_steam_reforming_production.html
Natural gasoline natural_gasoline.html
Natural ventilation natural_ventilation.html
Nec nec.html
Needs/market assessment evaluation needs_market_assessment_evaluation.html
Nema nema.html
Nerc nerc.html
Net (lower) heating value (nhv) net_lower_heating_value_nhv.html
Net capability net_capability.html
Net energy production (or balance) net_energy_production_or_balance.html
Net generation net_generation.html
Net metering net_metering.html
Net photovoltaic cell shipment net_photovoltaic_cell_shipment.html
Net photovoltaic module shipment net_photovoltaic_module_shipment.html
Net present value net_present_value.html
Net summer capability net_summer_capability.html
Net summer capacity net_summer_capacity.html
Net winter capability net_winter_capability.html
Ngl ngl.html
Ngl, natural gas liquids ngl_natural_gas_liquids.html
Ngpa ngpa.html
Ngpl ngpl.html
Ngv ngv.html
Nickel cadmium battery nickel_cadmium_battery.html
Nitrogen dioxide nitrogen_dioxide.html
Nitrogen oxides (nox) nitrogen_oxides_nox.html
Noaa noaa.html
Nocturnal cooling nocturnal_cooling.html
Nominal capacity nominal_capacity.html
Nominal price nominal_price.html
Nominal voltage nominal_voltage.html
Noncoincidental peak load noncoincidental_peak_load.html
Nonconcentrator system nonconcentrator_system.html
Non-firm power non_firm_power.html
Nonrenewable nonrenewable.html
Nonrenewable fuels nonrenewable_fuels.html
Non-renewable resource non_renewable_resource.html
Nonutility generation nonutility_generation.html
Non-utility generator/power producer non_utility_generator_power_producer.html
Nonutility power producer nonutility_power_producer.html
Nopr nopr.html
Normal operating cell temperature (noct) normal_operating_cell_temperature_noct.html
Normal recovery capacity normal_recovery_capacity.html
Nox nox.html
Nreca nreca.html
N-type n_type.html
N-type semiconductor n_type_semiconductor.html
N-type semiconductor n_type_semiconductor.html
N-type silicon n_type_silicon.html
Nuclear energy nuclear_energy.html
Nuclear fuel nuclear_fuel.html
Nuclear power plant nuclear_power_plant.html
Nug nug.html
Nure nure.html
Nymex nymex.html
O&m oandm.html
O3 o3.html
Occupancy sensor occupancy_sensor.html
Occupied space occupied_space.html
Ocean energy systems ocean_energy_systems.html
Ocean thermal energy conversion (otec) ocean_thermal_energy_conversion_otec.html
Ocs ocs.html
Odorant odorant.html
Oecd oecd.html
Oem oem.html
Off-peak off_peak.html
Off-peak gas off_peak_gas.html
Offshore offshore.html
Offshore reserves and production offshore_reserves_and_production.html
Offshore well offshore_well.html
Ohm(s) ohms.html
Ohm's law ohm_s_law.html
Oil oil.html
Oil (fuel) oil_fuel.html
Oil well oil_well.html
One sun one_sun.html
One-axis tracking one_axis_tracking.html
On-peak energy on_peak_energy.html
On-site generation on_site_generation.html
Opec opec.html
Open access open_access.html
Open-circuit voltage open_circuit_voltage.html
Open-circuit voltage (voc) open_circuit_voltage_voc.html
Open-flow test open_flow_test.html
Open-loop geothermal heat pump system open_loop_geothermal_heat_pump_system.html
Operable nuclear unit operable_nuclear_unit.html
Operating cycle operating_cycle.html
Operating point operating_point.html
Operation and maintenance (o&m) cost operation_and_maintenance_oandm_cost.html
Operator operator.html
Oprg oprg.html
Organic compound organic_compound.html
Organic waste organic_waste.html
Orientation orientation.html
Orientation orientation.html
Otec otec.html
Other biomass other_biomass.html
Other load management other_load_management.html
Outage outage.html
Outcome outcome.html
Outcome evaluation outcome_evaluation.html
Outer continental shelf outer_continental_shelf.html
Outgas outgas.html
Outgassing outgassing.html
Output output.html
Outside air outside_air.html
Outside coil outside_coil.html
Overcharge overcharge.html
Overhang overhang.html
Overload overload.html
Overproduction overproduction.html
Ovonic ovonic.html
Oxygenate oxygenate.html
Oxygenates oxygenates.html
Ozone ozone.html
P/n p_n.html
Packing factor packing_factor.html
Padd padd.html
Pane (window) pane_window.html
Panel panel.html
Panel (solar) panel_solar.html
Panel data panel_data.html
Panel radiator panel_radiator.html
Panemone panemone.html
Paper pellets paper_pellets.html
Parabolic aluminized reflector lamp parabolic_aluminized_reflector_lamp.html
Parabolic dish parabolic_dish.html
Parabolic trough parabolic_trough.html
Parallel parallel.html
Parallel connection parallel_connection.html
Particulates particulates.html
Passivation passivation.html
Passive heating system passive_heating_system.html
Passive solar passive_solar.html
Passive solar (building) design passive_solar_building_design.html
Passive solar heater passive_solar_heater.html
Passive solar home passive_solar_home.html
Passive/natural cooling passive_natural_cooling.html
Payback period payback_period.html
Pbr pbr.html
Pcb pcb.html
Peak clipping/shaving peak_clipping_shaving.html
Peak demand peak_demand.html
Peak demand/load peak_demand_load.html
Peak load plant peak_load_plant.html
Peak power peak_power.html
Peak power current peak_power_current.html
Peak power point peak_power_point.html
Peak power tracking peak_power_tracking.html
Peak shifting peak_shifting.html
Peak sun hours peak_sun_hours.html
Peak watt peak_watt.html
Peak wind speed peak_wind_speed.html
Peaking capacity peaking_capacity.html
Peaking hydropower peaking_hydropower.html
Peaking plants peaking_plants.html
Peat peat.html
Peer review peer_review.html
Pellet stove pellet_stove.html
Pellets pellets.html
Pelton turbine pelton_turbine.html
Penstock penstock.html
Percent difference percent_difference.html
Perfluorocarbon tracer gas technique (pft) perfluorocarbon_tracer_gas_technique_pft.html
Perforations perforations.html
Performance measure performance_measure.html
Performance measurement performance_measurement.html
Performance ratings performance_ratings.html
Perimeter heating perimeter_heating.html
Periodic table periodic_table.html
Permeability permeability.html
Permeance permeance.html
Persistence persistence.html
Person person.html
Petrochemicals petrochemicals.html
Petroleum petroleum.html
Petroleum (crude oil) petroleum_crude_oil.html
Petroleum coke petroleum_coke.html
Pfc pfc.html
Pga pga.html
Phantom load phantom_load.html
Phase phase.html
Phase change phase_change.html
Phase-change material phase_change_material.html
Phosphorous (p) phosphorous_p.html
Photobiological hydrogen production photobiological_hydrogen_production.html
Photocurrent photocurrent.html
Photoelectric cell photoelectric_cell.html
Photoelectrochemical cell photoelectrochemical_cell.html
Photoelectrolysis hydrogen production photoelectrolysis_hydrogen_production.html
Photogalvanic processes photogalvanic_processes.html
Photon photon.html
Photosynthesis photosynthesis.html
Photovoltaic (conversion) efficiency photovoltaic_conversion_efficiency.html
Photovoltaic (pv) array photovoltaic_pv_array.html
Photovoltaic (pv) cell photovoltaic_pv_cell.html
Photovoltaic (pv) conversion efficiency photovoltaic_pv_conversion_efficiency.html
Photovoltaic (pv) device photovoltaic_pv_device.html
Photovoltaic (pv) effect photovoltaic_pv_effect.html
Photovoltaic (pv) generator photovoltaic_pv_generator.html
Photovoltaic (pv) module photovoltaic_pv_module.html
Photovoltaic (pv) panel photovoltaic_pv_panel.html
Photovoltaic (pv) system photovoltaic_pv_system.html
Photovoltaic (solar) cell photovoltaic_solar_cell.html
Photovoltaic (solar) module or panel photovoltaic_solar_module_or_panel.html
Photovoltaic (solar) system photovoltaic_solar_system.html
Photovoltaic cells photovoltaic_cells.html
Photovoltaic conversion photovoltaic_conversion.html
Photovoltaic device photovoltaic_device.html
Photovoltaic peak watt photovoltaic_peak_watt.html
Photovoltaic(s) (pv) photovoltaics_pv.html
Photovoltaic-thermal (pv/t) system photovoltaic_thermal_pv_t_system.html
Photovoltaic-thermal (pv/t) systems photovoltaic_thermal_pv_t_systems.html
Physical vapor deposition physical_vapor_deposition.html
P-i-n p_i_n.html
Pipeline, distribution pipeline_distribution.html
Pit pit.html
Pitch control pitch_control.html
Planned generator planned_generator.html
Plant plant.html
Plant use plant_use.html
Plant-use electricity plant_use_electricity.html
Plasma plasma.html
Plate tectonics plate_tectonics.html
Plates plates.html
Plenum plenum.html
Plug plug.html
Plug flow digester plug_flow_digester.html
Pocket plate pocket_plate.html
Point-contact cell point_contact_cell.html
Pollution pollution.html
Polycrystalline polycrystalline.html
Polycrystalline silicon polycrystalline_silicon.html
Polyethylene polyethylene.html
Polymer polymer.html
Polysaccharide polysaccharide.html
Polystyrene polystyrene.html
Pooled unit pooled_unit.html
Porosity porosity.html
Porous media porous_media.html
Portfolio portfolio.html
Portfolio standard portfolio_standard.html
Potable water potable_water.html
Potential energy potential_energy.html
Potential peak reduction potential_peak_reduction.html
Pound of steam pound_of_steam.html
Pound per square inch absolute (psia) pound_per_square_inch_absolute_psia.html
Power power.html
Power (output) curve power_output_curve.html
Power (solar) tower power_solar_tower.html
Power coefficient power_coefficient.html
Power conditioning power_conditioning.html
Power conditioning equipment power_conditioning_equipment.html
Power conversion efficiency power_conversion_efficiency.html
Power degradation power_degradation.html
Power density power_density.html
Power exchange power_exchange.html
Power exchange generation power_exchange_generation.html
Power exchange load power_exchange_load.html
Power factor (pf) power_factor_pf.html
Power generating efficiency power_generating_efficiency.html
Power generation mix power_generation_mix.html
Power marketers power_marketers.html
Power plant power_plant.html
Power pool power_pool.html
Power provider power_provider.html
Power transmission line power_transmission_line.html
Ppi ppi.html
Ppm ppm.html
Preheater (solar) preheater_solar.html
Present value present_value.html
Pressure drop pressure_drop.html
Pressurization testing pressurization_testing.html
Pressurized water reactor pressurized_water_reactor.html
Price price.html
Primary air primary_air.html
Primary battery primary_battery.html
Prime mover prime_mover.html
Probability sampling probability_sampling.html
Process (or implementation process) process_or_implementation_process.html
Process heat process_heat.html
Process heating process_heating.html
Processing plant processing_plant.html
Producer gas producer_gas.html
Product product.html
Production tax credit (ptc) production_tax_credit_ptc.html
Production, oil and gas production_oil_and_gas.html
Products of combustion products_of_combustion.html
Profit profit.html
Program program.html
Program cost program_cost.html
Programmable thermostat programmable_thermostat.html
Projected area projected_area.html
Propane propane.html
Propeller (hydro) turbine propeller_hydro_turbine.html
Proration unit proration_unit.html
Proximate analysis proximate_analysis.html
Psi psi.html
Psi (pounds per square inch) psi_pounds_per_square_inch.html
Psia psia.html
Psig psig.html
Psychrometer psychrometer.html
Psychrometrics psychrometrics.html
P-type semiconductor p_type_semiconductor.html
Public authority service to public authorities public_authority_service_to_public_authorities.html
Public street and highway lighting public_street_and_highway_lighting.html
Public utilities regulatory policy act (purpa) of 1978 public_utilities_regulatory_policy_act_purpa_of_1978.html
Public utility holding company act (puhca) of 1935 public_utility_holding_company_act_puhca_of_1935.html
Public utility or services commissions (puc or psc) public_utility_or_services_commissions_puc_or_psc.html
Public utility regulatory policies act of 1978 (purpa) public_utility_regulatory_policies_act_of_1978_purpa.html
Pud pud.html
Puhca puhca.html
Pulse-width-modulated (pwm) wave inverter pulse_width_modulated_pwm_wave_inverter.html
Pumped storage facility pumped_storage_facility.html
Pumped-storage hydroelectric plant pumped_storage_hydroelectric_plant.html
Purchased power adjustment purchased_power_adjustment.html
Pure pumped-storage hydroelectric plant pure_pumped_storage_hydroelectric_plant.html
Purpa purpa.html
Pv pv.html
Pvc pvc.html
Pwr pwr.html
Pyranometer pyranometer.html
Pyrheliometer pyrheliometer.html
Pyrolysis pyrolysis.html
Qf qf.html
Quad quad.html
Quadrillion btu quadrillion_btu.html
Qualification test qualification_test.html
Qualifying facility qualifying_facility.html
Qualifying facility (qf) qualifying_facility_qf.html
Qualitative data qualitative_data.html
Quantitative data quantitative_data.html
R r.html
Rac rac.html
Radiant barrier radiant_barrier.html
Radiant ceiling panels radiant_ceiling_panels.html
Radiant energy radiant_energy.html
Radiant floor radiant_floor.html
Radiant heating system radiant_heating_system.html
Radiation radiation.html
Radiative cooling radiative_cooling.html
Radiator radiator.html
Radiator vent radiator_vent.html
Radioactive element radioactive_element.html
Radioactive waste radioactive_waste.html
Radioactivity radioactivity.html
Radon radon.html
Rafter rafter.html
Railroad and railway services railroad_and_railway_services.html
Rammed earth rammed_earth.html
Random assignment random_assignment.html
Rankine cycle rankine_cycle.html
Rar rar.html
Rat hole rat_hole.html
Rate base rate_base.html
Rate schedule rate_schedule.html
Rated battery capacity rated_battery_capacity.html
Rated life rated_life.html
Rated module current (a) rated_module_current_a.html
Rated power rated_power.html
Ratemaking authority ratemaking_authority.html
Rayleigh frequency distribution rayleigh_frequency_distribution.html
Rbob rbob.html
Rdf rdf.html
Rea rea.html
Reaction reaction.html
Reactive power reactive_power.html
Reactor core reactor_core.html
Real price real_price.html
Receipts receipts.html
Receiver receiver.html
Receiver panel (solar) receiver_panel_solar.html
Recirculated air recirculated_air.html
Recirculation systems recirculation_systems.html
Reclamation plant reclamation_plant.html
Recombination recombination.html
Recs recs.html
Rectifier rectifier.html
Recuperator recuperator.html
Recurrent costs recurrent_costs.html
Recycling recycling.html
Refined petroleum products refined_petroleum_products.html
Refinery refinery.html
Reflectance reflectance.html
Reflective coatings reflective_coatings.html
Reflective glass reflective_glass.html
Reflective insulation (see also radiant barrier) reflective_insulation_see_also_radiant_barrier.html
Reflective window films reflective_window_films.html
Reflector lamps reflector_lamps.html
Refraction refraction.html
Refrigerant refrigerant.html
Refrigeration refrigeration.html
Refrigeration capacity refrigeration_capacity.html
Refrigeration cycle refrigeration_cycle.html
Refuse-derived fuel (rdf) refuse_derived_fuel_rdf.html
Regenerative cooling regenerative_cooling.html
Regenerative heating regenerative_heating.html
Regional transmission group regional_transmission_group.html
Regular permit regular_permit.html
Regulation regulation.html
Regulator regulator.html
Relamping relamping.html
Relative humidity relative_humidity.html
Reliability reliability.html
Remote systems remote_systems.html
Renewable energy renewable_energy.html
Renewable energy resource renewable_energy_resource.html
Renewable energy resources renewable_energy_resources.html
Renewable energy sources renewable_energy_sources.html
Renewable portfolio standard (rps) renewable_portfolio_standard_rps.html
Renewable resources renewable_resources.html
Replication replication.html
Representative sample representative_sample.html
Reregulation reregulation.html
Reserve capacity reserve_capacity.html
Reserve margin (operating) reserve_margin_operating.html
Reserve pit reserve_pit.html
Reservoir reservoir.html
Residential residential.html
Residential sector residential_sector.html
Residential sector (of the economy) residential_sector_of_the_economy.html
Residual fuel oil residual_fuel_oil.html
Residue gas residue_gas.html
Resistance resistance.html
Resistance (r) resistance_r.html
Resistance heating resistance_heating.html
Resistive voltage drop resistive_voltage_drop.html
Resistor resistor.html
Resource recovery resource_recovery.html
Resources resources.html
Restricted-universe census restricted_universe_census.html
Restructuring restructuring.html
Retail retail.html
Retail competition retail_competition.html
Retail market retail_market.html
Retail wheeling retail_wheeling.html
Retention retention.html
Retrofit retrofit.html
Return air return_air.html
Return duct return_duct.html
Revenue revenue.html
Reverse current protection reverse_current_protection.html
Reverse thermosiphoning reverse_thermosiphoning.html
Reversing valve reversing_valve.html
R-factor r_factor.html
Rfg rfg.html
Ribbon (photovoltaic) cells ribbon_photovoltaic_cells.html
Ribbon silicon ribbon_silicon.html
Rigid insulation board rigid_insulation_board.html
Rms rms.html
Rock bin rock_bin.html
Rock wool rock_wool.html
Roof roof.html
Roof pond roof_pond.html
Roof ventilator roof_ventilator.html
Root mean square (rms) root_mean_square_rms.html
Rotor rotor.html
Roundwood roundwood.html
Rse rse.html
Runner runner.html
Running and quick-start capability running_and_quick_start_capability.html
Run-of-river hydropower run_of_river_hydropower.html
Rural electrification administration (rea) rural_electrification_administration_rea.html
R-value r_value.html
Rvp rvp.html
Sacrificial anode sacrificial_anode.html
Safety disconnect safety_disconnect.html
Sales sales.html
Sales for resale sales_for_resale.html
Salinity salinity.html
Salt gradient solar ponds salt_gradient_solar_ponds.html
Salt water disposal well (swd) salt_water_disposal_well_swd.html
Satellite power system (sps) satellite_power_system_sps.html
Scheduled outage scheduled_outage.html
Scheduling coordinators scheduling_coordinators.html
Schottky barrier schottky_barrier.html
Scribing scribing.html
Scroll case scroll_case.html
Sealed battery sealed_battery.html
Sealed combustion heating system sealed_combustion_heating_system.html
Seasonal depth of discharge seasonal_depth_of_discharge.html
Seasonal energy efficiency ratio (seer) seasonal_energy_efficiency_ratio_seer.html
Seasonal performance factor (spf) seasonal_performance_factor_spf.html
Seasoned wood seasoned_wood.html
Second law efficiency second_law_efficiency.html
Second law of thermodynamics second_law_of_thermodynamics.html
Secondary battery secondary_battery.html
Secondary recovery secondary_recovery.html
Securitization securitization.html
Securitize securitize.html
Seebeck effect seebeck_effect.html
Seer seer.html
Selectable load selectable_load.html
Selective absorber selective_absorber.html
Selective surface coating selective_surface_coating.html
Self-discharge self_discharge.html
Semiconductor semiconductor.html
Semicrystalline semicrystalline.html
Sensible cooling effect sensible_cooling_effect.html
Sensible cooling load sensible_cooling_load.html
Sensible heat sensible_heat.html
Sensible heat storage sensible_heat_storage.html
Series series.html
Series connection series_connection.html
Series controller series_controller.html
Series regulator series_regulator.html
Series resistance series_resistance.html
Setback thermostat setback_thermostat.html
Sf6 sf6.html
Shading coefficient shading_coefficient.html
Shaft mine shaft_mine.html
Shallow-cycle battery shallow_cycle_battery.html
Sheathing sheathing.html
Shelf life of batteries shelf_life_of_batteries.html
Short circuit short_circuit.html
Short circuit current short_circuit_current.html
Short ton short_ton.html
Short-circuit current (isc) short_circuit_current_isc.html
Shunt controller shunt_controller.html
Shunt load shunt_load.html
Shunt regulator shunt_regulator.html
Shutter shutter.html
Si si.html
Sic sic.html
Siding siding.html
Siemens process siemens_process.html
Sigma heat sigma_heat.html
Significance level significance_level.html
Silicon silicon.html
Silicon (si) silicon_si.html
Simple cs (caulk and seal) simple_cs_caulk_and_seal.html
Simple random sample simple_random_sample.html
Sine wave sine_wave.html
Sine wave inverter sine_wave_inverter.html
Single crystal silicon (czochralski) single_crystal_silicon_czochralski.html
Single glaze or pane single_glaze_or_pane.html
Single-crystal material single_crystal_material.html
Single-crystal silicon single_crystal_silicon.html
Single-package system single_package_system.html
Single-phase single_phase.html
Single-stage controller single_stage_controller.html
Sizing sizing.html
Skylight skylight.html
Slab slab.html
Slab on grade slab_on_grade.html
Slinkytm ground loop slinkytm_ground_loop.html
Sludge sludge.html
Small hydro small_hydro.html
Small power producer (spp) small_power_producer_spp.html
Smart window smart_window.html
Sng sng.html
So2 so2.html
Sodium lights sodium_lights.html
Soffit soffit.html
Solar access or rights solar_access_or_rights.html
Solar air heater solar_air_heater.html
Solar altitude angle solar_altitude_angle.html
Solar array solar_array.html
Solar azimuth solar_azimuth.html
Solar cell solar_cell.html
Solar cell solar_cell.html
Solar collector solar_collector.html
Solar constant solar_constant.html
Solar cooling solar_cooling.html
Solar declination solar_declination.html
Solar dish solar_dish.html
Solar distillation solar_distillation.html
Solar energy solar_energy.html
Solar energy collector solar_energy_collector.html
Solar energy industries association (seia) solar_energy_industries_association_seia.html
Solar energy research institute (seri) solar_energy_research_institute_seri.html
Solar film solar_film.html
Solar fraction solar_fraction.html
Solar furnace solar_furnace.html
Solar gain solar_gain.html
Solar insolation solar_insolation.html
Solar irradiance solar_irradiance.html
Solar irradiation solar_irradiation.html
Solar mass solar_mass.html
Solar module (panel) solar_module_panel.html
Solar noon solar_noon.html
Solar one solar_one.html
Solar panel solar_panel.html
Solar pond solar_pond.html
Solar power satellite solar_power_satellite.html
Solar power tower solar_power_tower.html
Solar radiation solar_radiation.html
Solar resource solar_resource.html
Solar simulator solar_simulator.html
Solar space heater solar_space_heater.html
Solar spectrum solar_spectrum.html
Solar thermal collector solar_thermal_collector.html
Solar thermal collector, special solar_thermal_collector_special.html
Solar thermal electric systems solar_thermal_electric_systems.html
Solar thermal heating system solar_thermal_heating_system.html
Solar thermal parabolic dishes solar_thermal_parabolic_dishes.html
Solar thermal systems solar_thermal_systems.html
Solar time solar_time.html
Solar transmittance solar_transmittance.html
Solar trough systems (see also parabolic trough, above) solar_trough_systems_see_also_parabolic_trough_above.html
Solar two solar_two.html
Solar-grade silicon solar_grade_silicon.html
Solarium solarium.html
Solenoid solenoid.html
Solenoid valve solenoid_valve.html
Solid fuels solid_fuels.html
Solidity solidity.html
Solstice solstice.html
Solution gas solution_gas.html
Sour gas sour_gas.html
Space charge space_charge.html
Space heater space_heater.html
Space heating space_heating.html
Spacer (window) spacer_window.html
Specific gravity specific_gravity.html
Specific heat specific_heat.html
Specific heat capacity specific_heat_capacity.html
Specific humidity specific_humidity.html
Specific volume specific_volume.html
Spectral energy distribution spectral_energy_distribution.html
Spectral irradiance spectral_irradiance.html
Spectral reflectance spectral_reflectance.html
Spectrally selective coatings spectrally_selective_coatings.html
Spectrum spectrum.html
Spectrum of electromagnetic radiation spectrum_of_electromagnetic_radiation.html
Spent fuel spent_fuel.html
Spent liquor spent_liquor.html
Spent sulfite liquor spent_sulfite_liquor.html
Spillover spillover.html
Spillway spillway.html
Spinning reserve spinning_reserve.html
Spin-off spin_off.html
Split spectrum photovoltaic cell split_spectrum_photovoltaic_cell.html
Split system air conditioner split_system_air_conditioner.html
Split-spectrum cell split_spectrum_cell.html
Spot market spot_market.html
Spot purchases spot_purchases.html
Spp spp.html
Spr spr.html
Spray pyrolysis spray_pyrolysis.html
Spreader stocker spreader_stocker.html
Spud date spud_date.html
Sputtering sputtering.html
Square wave square_wave.html
Square wave inverter square_wave_inverter.html
Squirrel cage motor squirrel_cage_motor.html
Sr sr.html
Stability stability.html
Stack stack.html
Stack (heat) loss stack_heat_loss.html
Staebler-wronski effect staebler_wronski_effect.html
Stagnation temperature stagnation_temperature.html
Stall stall.html
Stand-alone generator stand_alone_generator.html
Stand-alone inverter stand_alone_inverter.html
Stand-alone system stand_alone_system.html
Standard air standard_air.html
Standard conditions standard_conditions.html
Standard cubic foot standard_cubic_foot.html
Standard industrial classification (sic) standard_industrial_classification_sic.html
Standard industrial classification (sic) code standard_industrial_classification_sic_code.html
Standard reporting conditions (src) standard_reporting_conditions_src.html
Standard test conditions (stc) standard_test_conditions_stc.html
Standby current standby_current.html
Standby facility standby_facility.html
Stand-by heat loses stand_by_heat_loses.html
Stand-by power stand_by_power.html
Standby service standby_service.html
Stand-off mounting stand_off_mounting.html
Starch starch.html
Starting surge starting_surge.html
Starting torque starting_torque.html
Starved electrolyte cell starved_electrolyte_cell.html
State-of-charge (soc) state_of_charge_soc.html
Static pressure static_pressure.html
Steam steam.html
Steam boiler steam_boiler.html
Steam generator steam_generator.html
Steam turbine steam_turbine.html
Steam-electric plant (conventional) steam_electric_plant_conventional.html
Stirling engine stirling_engine.html
Stocks stocks.html
Stoichiometric ratio stoichiometric_ratio.html
Stoichiometry stoichiometry.html
Storage battery storage_battery.html
Storage capacity storage_capacity.html
Storage gas storage_gas.html
Storage hydropower storage_hydropower.html
Storage tank storage_tank.html
Storage water heater storage_water_heater.html
Storm door storm_door.html
Storm windows storm_windows.html
Stranded benefits stranded_benefits.html
Stranded costs stranded_costs.html
Stranded investment (costs and benefits) stranded_investment_costs_and_benefits.html
Stratification stratification.html
Stratigraphic cross section stratigraphic_cross_section.html
Strength strength.html
String string.html
Structural cross section structural_cross_section.html
Structured interview structured_interview.html
Stud stud.html
Subbituminous coal subbituminous_coal.html
Subsidence subsidence.html
Subsidy subsidy.html
Substandard acreage substandard_acreage.html
Substation substation.html
Substrate substrate.html
Subsystem subsystem.html
Sulfation sulfation.html
Sulfur sulfur.html
Sun path diagram sun_path_diagram.html
Sun tempered building sun_tempered_building.html
Sunspace sunspace.html
Super insulated houses super_insulated_houses.html
Super window super_window.html
Superconducting magnetic energy storage (smes) superconducting_magnetic_energy_storage_smes.html
Superconductivity superconductivity.html
Superstrate superstrate.html
Supplementary heat supplementary_heat.html
Supply duct supply_duct.html
Supply side supply_side.html
Surface casing surface_casing.html
Surface mine surface_mine.html
Surface water loop surface_water_loop.html
Surge capacity surge_capacity.html
Swamp cooler swamp_cooler.html
Sweet gas sweet_gas.html
Swept area swept_area.html
Switching station switching_station.html
Swu swu.html
Synchronous generator synchronous_generator.html
Synchronous inverter synchronous_inverter.html
Synchronous motor synchronous_motor.html
System (electric) system_electric.html
System availability system_availability.html
System benefits charge (sbc) system_benefits_charge_sbc.html
System mix system_mix.html
System operating voltage system_operating_voltage.html
System storage system_storage.html
T t.html
Tailrace tailrace.html
Tailwater tailwater.html
Tall oil tall_oil.html
Tame tame.html
Tank battery tank_battery.html
Tank farm tank_farm.html
Tanker and barge tanker_and_barge.html
Tankless water heater tankless_water_heater.html
Tare loss tare_loss.html
Task lighting task_lighting.html
Tba tba.html
Tds tds.html
Temperature coefficient (of a solar photovoltaic cell) temperature_coefficient_of_a_solar_photovoltaic_cell.html
Temperature compensation temperature_compensation.html
Temperature factors temperature_factors.html
Temperature humidity index temperature_humidity_index.html
Temperature zones temperature_zones.html
Temperature/pressure relief valve temperature_pressure_relief_valve.html
Tempering valve tempering_valve.html
Tennessee valley authority (tva) tennessee_valley_authority_tva.html
Termite shield termite_shield.html
Tesla coil tesla_coil.html
Texas offshore texas_offshore.html
Th th.html
Therm therm.html
Thermal balance point thermal_balance_point.html
Thermal capacitance thermal_capacitance.html
Thermal efficiency thermal_efficiency.html
Thermal energy thermal_energy.html
Thermal energy storage thermal_energy_storage.html
Thermal envelope houses thermal_envelope_houses.html
Thermal gradient thermal_gradient.html
Thermal mass thermal_mass.html
Thermal resistance (r-value) thermal_resistance_r_value.html
Thermal storage walls (masonry or water) thermal_storage_walls_masonry_or_water.html
Thermocouple thermocouple.html
Thermodynamic cycle thermodynamic_cycle.html
Thermodynamics thermodynamics.html
Thermoelectric conversion thermoelectric_conversion.html
Thermography thermography.html
Thermophotovoltaic cell thermophotovoltaic_cell.html
Thermophotovoltaic cell (tpv) thermophotovoltaic_cell_tpv.html
Thermopile thermopile.html
Thermosiphon thermosiphon.html
Thermosiphon system thermosiphon_system.html
Thermostat thermostat.html
Thick-crystalline materials thick_crystalline_materials.html
Thin film thin_film.html
Thin film photovoltaic module thin_film_photovoltaic_module.html
Thin-film thin_film.html
Thin-film silicon thin_film_silicon.html
Three-phase current three_phase_current.html
Tidal disposal tidal_disposal.html
Tidal power tidal_power.html
Tilt angle tilt_angle.html
Tilt angle (of a solar collector or module) tilt_angle_of_a_solar_collector_or_module.html
Time-of-use (tou) rates time_of_use_tou_rates.html
Timer timer.html
Timer (water heater) timer_water_heater.html
Tin oxide tin_oxide.html
Tip speed ratio tip_speed_ratio.html
Tolerance acreage tolerance_acreage.html
Ton (of air conditioning) ton_of_air_conditioning.html
Topping-cycle topping_cycle.html
Torque (motor) torque_motor.html
Total ac load demand total_ac_load_demand.html
Total harmonic distortion total_harmonic_distortion.html
Total heat total_heat.html
Total incident radiation total_incident_radiation.html
Total internal reflection total_internal_reflection.html
Toxics toxics.html
Tracking array tracking_array.html
Tracking solar array tracking_solar_array.html
Trailing edge trailing_edge.html
Transesterification transesterification.html
Transformer transformer.html
Transmission transmission.html
Transmission (electric) transmission_electric.html
Transmission and distribution losses transmission_and_distribution_losses.html
Transmission lines transmission_lines.html
Transmission system (electric) transmission_system_electric.html
Transmitting utility transmitting_utility.html
Transportation or to transport transportation_or_to_transport.html
Transportation sector transportation_sector.html
Transportation sector (of the economy) transportation_sector_of_the_economy.html
Transporter or transporting agency transporter_or_transporting_agency.html
Traveling grate traveling_grate.html
Tray cable (tc) tray_cable_tc.html
Treatment group treatment_group.html
Trellis trellis.html
Trickle (solar) collector trickle_solar_collector.html
Trickle charge trickle_charge.html
Triglyceride triglyceride.html
Triple pane (window) triple_pane_window.html
Trombe wall trombe_wall.html
True power true_power.html
True south true_south.html
Tube (fluorescent light) tube_fluorescent_light.html
Tube-in-plate-absorber tube_in_plate_absorber.html
Tube-type collector tube_type_collector.html
Tubing tubing.html
Tungsten halogen lamp tungsten_halogen_lamp.html
Tunneling tunneling.html
Turbine turbine.html
Turn down ratio turn_down_ratio.html
Tva tva.html
Twh twh.html
Two-axis tracking two_axis_tracking.html
Two-tank solar system two_tank_solar_system.html
U3o8 u3o8.html
Uf6 uf6.html
Ulcc ulcc.html
Ultimate analysis ultimate_analysis.html
Ultra low head ultra_low_head.html
Ultraviolet ultraviolet.html
Umtra umtra.html
Unbundling unbundling.html
Underground feeder (uf) underground_feeder_uf.html
Underground home underground_home.html
Underground hydrocarbon storage underground_hydrocarbon_storage.html
Underground mine underground_mine.html
Underground service entrance (use) underground_service_entrance_use.html
Underproduction underproduction.html
Unglazed solar collector unglazed_solar_collector.html
Uniform system of accounts uniform_system_of_accounts.html
Uninterruptible power supply (ups) uninterruptible_power_supply_ups.html
Unitary air conditioner unitary_air_conditioner.html
Unitization unitization.html
Unitization tract unitization_tract.html
Unvented heater unvented_heater.html
Uranium uranium.html
Uranium fuel cycle uranium_fuel_cycle.html
Usace or usce usace_or_usce.html
Usbr usbr.html
Useful heat useful_heat.html
Useful thermal output useful_thermal_output.html
Utility utility.html
Utility distribution companies utility_distribution_companies.html
Utility generation utility_generation.html
Utility-interactive inverter utility_interactive_inverter.html
U-value (see coefficient of heat transmission) u_value_see_coefficient_of_heat_transmission.html
V v.html
Vacuum evaporation vacuum_evaporation.html
Vacuum zero vacuum_zero.html
Valence band valence_band.html
Valence level energy/valence state valence_level_energy_valence_state.html
Validity validity.html
Vapor retarder vapor_retarder.html
Vapor-dominated vapor_dominated.html
Variable-speed wind turbines variable_speed_wind_turbines.html
Varistor varistor.html
Vawt vawt.html
Vehicle fuel consumption vehicle_fuel_consumption.html
Vent vent.html
Vent damper vent_damper.html
Vent pipe vent_pipe.html
Vented cell vented_cell.html
Vented heater vented_heater.html
Ventilation ventilation.html
Ventilation air ventilation_air.html
Vertical ground loop vertical_ground_loop.html
Vertical integration vertical_integration.html
Vertical multijunction (vmj) cell vertical_multijunction_vmj_cell.html
Vertical-axis wind turbine (vawt) vertical_axis_wind_turbine_vawt.html
Vin vin.html
Visible light transmittance visible_light_transmittance.html
Visible radiation visible_radiation.html
Vlcc vlcc.html
Vmt vmt.html
Voc voc.html
Volatile volatile.html
Volcanic energy volcanic_energy.html
Volt volt.html
Voltage voltage.html
Voltage at maximum power (vmp) voltage_at_maximum_power_vmp.html
Voltage protection voltage_protection.html
Voltage reduction voltage_reduction.html
Voltage regulation voltage_regulation.html
Voltaic electricity voltaic_electricity.html
Volt-ampere volt_ampere.html
Volumetric wires charge volumetric_wires_charge.html
W w.html
Wacog wacog.html
Wafer wafer.html
Wall wall.html
Wall orientation wall_orientation.html
Waste waste.html
Waste energy waste_energy.html
Water cycle water_cycle.html
Water heater water_heater.html
Water jacket water_jacket.html
Water source heat pump water_source_heat_pump.html
Water turbine water_turbine.html
Water wall water_wall.html
Water wheel water_wheel.html
Waterflood waterflood.html
Watt watt.html
Watt (electric) watt_electric.html
Watt (thermal) watt_thermal.html
Watt-hour watt_hour.html
Wattmeter wattmeter.html
Wave form wave_form.html
Wave power wave_power.html
Waveform waveform.html
Wavelength wavelength.html
Weatherization weatherization.html
Weatherstripping weatherstripping.html
Well well.html
Well logging well_logging.html
Wellhead wellhead.html
Wells wells.html
Wet shelf life wet_shelf_life.html
Wh wh.html
Wheeling wheeling.html
Wheeling service wheeling_service.html
Whole house fan whole_house_fan.html
Wholesale competition wholesale_competition.html
Wholesale power market wholesale_power_market.html
Wholesale sales wholesale_sales.html
Wholesale transmission services wholesale_transmission_services.html
Wholesale wheeling wholesale_wheeling.html
Wi wi.html
Wicket gates wicket_gates.html
Wildcat well wildcat_well.html
Wind wind.html
Wind energy wind_energy.html
Wind energy conversion system (wecs) or device wind_energy_conversion_system_wecs_or_device.html
Wind generator wind_generator.html
Wind machine wind_machine.html
Wind power plant wind_power_plant.html
Wind resource assessment wind_resource_assessment.html
Wind rose wind_rose.html
Wind speed wind_speed.html
Wind speed duration curve wind_speed_duration_curve.html
Wind speed frequency curve wind_speed_frequency_curve.html
Wind speed profile wind_speed_profile.html
Wind tower wind_tower.html
Wind turbine wind_turbine.html
Wind turbine rated capacity wind_turbine_rated_capacity.html
Wind velocity wind_velocity.html
Windmill windmill.html
Window window.html
Windpower curve windpower_curve.html
Windpower profile windpower_profile.html
Wingwall wingwall.html
Wire (electrical) wire_electrical.html
Wire types wire_types.html
Wires charge wires_charge.html
Wood and waste (as used at electric utilities) wood_and_waste_as_used_at_electric_utilities.html
Wood energy wood_energy.html
Wood pellets wood_pellets.html
Wood stove wood_stove.html
Wood/wood waste wood_wood_waste.html
Word word.html
Work function work_function.html
Working fluid working_fluid.html
Wound rotor motors wound_rotor_motors.html
Wti wti.html
Yaw yaw.html
Yeast yeast.html
Yurt yurt.html
Zenith angle zenith_angle.html
Zone zone.html
Zoning zoning.html

 

 

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