The ratio of actual power being used in a circuit, expressed in watts or kilowatts, to the power that is apparently being drawn from a power source, expressed in volt-amperes or kilovolt-amperes.

The amount of money required to secure a specified cash flow at a future date at a specified return.

The ability to dispatch power.

A curve that displays load values on the horizontal axis in descending order of magnitude against the percent of time (on the vertical axis) that the load values are exceeded.

Turning off or disconnecting loads to limit peak demand.

The number of revolutions that the motor turns in a given time period (i.e. revolutions per minute, rpm).

The heat produced by combusting a specific quantity and volume of fuel in an oxygen-bomb colorimeter under specific conditions.

A power plant that generates power by combusting a fuel.

Ethyl alcohol (C2H5OH)

Nonglossy paint with a relatively high absorptance.

The planting, cultivation, and harvesting of a single species of crop in a specified area.

A type of solar thermal system where sunlight is concentrated by a curved reflector onto a pipe containing a working fluid that can be used for process heat or to produce electricity. The world's largest solar thermal electric power plants use solar troug ...

That part of an electricity bill that is based on the amount of electrical energy consumed or supplied.

Fabricated as a single structure.

The demand of a consumer of electricity at the time of a power supplier's peak system demand.

Solar radiation reflected from the ground onto a solar collector.

The local climate of specific place or habitat, as influenced by landscape features.

An amount paid by a customer for being connected to an electricity supplier's transmission and distribution system.

A means of billing electric power consumers to pay for the costs of demand side management/energy conservation measures and programs. (See also Benefits Charge.)

A popular term used to describe the heating effect due to the trapping of long wave (length) radiation by greenhouse gases produced from natural and human sources.