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Power generated by a utility unit that operates at a very high capacity factor.

Category:Energy Terms

The maximum load that a generating unit, power plant, or other electrical apparatus can carry under specified conditions for a given period of time, without exceeding its approved limits of temperature and stress.

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The load that a power generation unit or other electrical apparatus or heating unit is rated by the manufacture to be able to meet or supply.

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A generator producing alternating current by the rotation of its rotor, and which is powered by a primary mover.

Category:Energy Terms

A reserve appliance; for example, a standby generator for a home or commercial building.

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A process for carrying out a reaction in which the reactants are fed in discrete and successive charges.

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An air pollution control device used to filter particulates from waste combustion gases; a chamber containing a bag filter.

Category:Energy Terms

The interior heat gain due to heat conduction, convection, and radiation from the exterior into the interior, and from occupants and appliances.

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A unit of luminous intensity; the magnitude to the candela is such that the luminance of the total radiator, at the temperature of solidification of platinum, is 60 candelas per square centimeter.

Category:Energy Terms

The flow of air down a flue/chimney and into a house caused by low indoor air pressure that can occur when using several fans or fireplaces and/or if the house is very tight.

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The amount of heat required to raise the temperature of a unit of water, at or near the temperature of maximum density, one degree Celsius (or Centigrade [C]); expressed as a "small calorie" (the amount of heat required to raise the temperature of 1 gram ...

Category:Energy Terms

The ratio of light output of a fluorescent lamp operated on a ballast to the light output of a lamp operated on a standard or reference ballast.

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The use of direct, diffuse, or reflected sunlight to provide supplemental lighting for building interiors.

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The incremental cost to an electric power producer to generate or purchase a unit of electricity or capacity or both.

Category:Energy Terms

42 U.S. gallons (306 pounds of oil, or 5.78 million Btu).

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A type of heating fuel derived by refining crude oil that has a boiling range at atmospheric pressure from 400 degrees to 550 degrees F.

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The heat liberated by the combustion of a unit quantity of a fuel under specific conditions; measured in calories.

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The amount of energy (in electron volts) required to free an outer shell electron from its orbit about the nucleus to a free state, and thus promote it from the valence to the conduction level.

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A type of radiant heating system where the radiator is located along an exterior wall where the wall meets the floor.

Category:Energy Terms

The amount of electromotive force, measured in volts, that exists between two points.

Category:Energy Terms