The process of converting municipal solid waste to energy and/or recovering materials for recycling.

The device in an air conditioner or heat pump in which the refrigerant condenses from a gas to a liquid when it is depressurized or cooled.

Power plants, whose output depends on a factor(s) that cannot be controlled by the power generator because they utilize intermittent resources such as solar energy or the wind.

A type of inverter that produces square wave output.; consists of a DC source, four switches, and the load. The switches are power semiconductors that can carry a large current and withstand a high voltage rating. The switches are turned on and off at a c ...

A law that requires electric utilities to purchase electricity produced from qualifying power producers that use renewable energy resources or are cogenerators. Utilities are required to purchase power at a rate equal to the avoided cost of generating the ...

The highest possible pressure in a fuel-air mixture before spontaneous ignition occurs.

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

A type of lamp that produces light from sodium gas contained in a bulb operating at a partial pressure of 0.13 to 1.3 Pascal. The yellow light and large size make them applicable to lighting streets and parking lots.

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

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

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 load management objective that moves loads from on-peak periods to off-peak periods.

The amount of conditioned air to be supplied by a cooling system; usually the maximum amount to be delivered based on a specified number of cooling degree days or design temperature.

The temperature of the air as measured by a standard thermometer.

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.

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.

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 building element that provides protection against the sun, wind, and precipitation.

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

Ethyl alcohol (C2H5OH)