The sum of the ratings of the electricity consuming apparatus connected to a generating system.

Waste water from a household source other than a toilet. This water can be used for landscape irrigation depending upon the source of the greywater.

A utility owned by stockholders or other investors; sometimes referred to as a private utility, in contrast to a public utility that is owned by a government agency or cooperative.

A device or material with a high resistance to electricity flow.

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

An unregulated subsidiary of an electric utility that is allowed to generate and sell wholesale power as an independent energy producer, and is exempt from the Public Utility Holding Company Act of 1935.

A power plant that uses two thermodynamic cycles to achieve higher overall system efficiency; e.g.: the heat from a gas-fired combustion turbine is used to generate steam for heating or to operate a steam turbine to generate additional electricity.

In reference to solar photovoltaic devices, the growth of one crystal on the surface of another crystal. The growth of the deposited crystal is oriented by the lattice structure of the original crystal.

The ratio of available energy per pound; usually used to compare storage batteries.

An electric current taking a shorter or different path than intended.

A nationally recognized energy rating program that gives builders, mortgage lenders, secondary lending markets, homeowners, sellers, and buyers a precise evaluation of energy losing deficiency's in homes. Builders can use this system to gauge the energy q ...

A method of controlling a wind turbine's speed by varying the orientation, or pitch, of the blades, and thereby altering its aerodynamics and efficiency.

A toilet that uses less water than a standard one during flushing, for the purpose of conserving water resources.

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

Materials with high thermal energy storage capacity contained in or part of a building's walls, floors, or freestanding elements.

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

A concrete pad that sits on gravel or crushed rock, well-compacted soil either level with the ground or above the ground.

Solar Two is a retrofit of the Solar One project (see above). It is demonstrating the technical feasibility and power potential of a solar power tower using advanced molten-salt technology to store energy. Solar Two retains several of the main components ...

Standardized codes used to classify businesses by type of activity they engage in.