A stack of wood 4 feet by 4 feet by 8 feet.

The total capacity of electrical generation devices in a power station or system.

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

A body of water used to cool the water that is circulated in an electric power plant.

To schedule and control the generation and delivery of electric power.

A solar thermal electric central reciever power plant ("power tower") located in Barstow, California, and completed in 1981. The Solar One had a design capacity of 10,000 peak kilowatts, and was composed of a receiver located on the top of a tower surroun ...

The percentage of a building's seasonal energy requirements that can be met by a solar energy device(s) or system(s).

That amount of cooling energy to be supplied (or heat and humidity removed) based on the sensible and latent loads.

A type of heating system in which heated air is blown by a fan through air channels or ducts to rooms.

A semiconductor (photovoltaic) material composed of variously oriented, small, individual crystals.

A chemical element, of atomic number 14, that is semi-metallic, and an excellent semiconductor material used in solar photovoltaic devices; commonly found in sand.

Water that is suitable for drinking, as defined by local health officials.

Wind turbines that operate at a constant rotor revolutions per minute (RPM) and are optimized for energy capture at a given rotor diameter at a particular speed in the wind power curve.

A tube inside a domestic water heater that distributes the cold water from the cold water supply line into the lower area of the water heater where heating occurs.

The ratio of heat produced by a fuel for doing work to the available heat in the fuel.

The process of designing a solar system to meet a specified load given the solar resource and the nominal or rated energy output of the solar energy collection or conversion device.

A panel which covers the underside of an roof overhang, cantilever, or mansard.

The requirement that an electric power utility generate or purchase a specified percentage of the power it supplies/sells from renewable energy resources, and thereby guarantee a market for electricity generated from renewable energy resources.

A moveable or fixed heater used to heat individual rooms.

A value used to estimate interior air cooling requirements (load) calculated as the number of degrees per day (over a specified period) that the daily average temperature is above 65 degrees Fahrenheit (or some other, specified base temperature). The dail ...