Steam available directly from a boiler under full pressure.

A body of water that contains brackish (highly saline) water that forms layers of differing salinity (stratifies) that absorb and trap solar energy. Solar ponds can be used to provide heat for industrial or agricultural processes, building heating and coo ...

The process by which sunlight directly enters a building through the windows and is absorbed and stored in massive floors or walls.

A unit of illuminance; equal to one lumen per square foot.

Freshly cut, unseasoned, wood.

Pounds/force per square inch absolute.

see Solar Spectrum above.

To price and sell greenpower/electricity higher than that produced from fossil or nuclear power plants, supposedly because some buyers are willing to pay a premium for greenpower.

A unit of volume equal to 1 cubic foot at a pressure base of 14.73 pounds standard per square inch absolute and a temperature base of 60 degrees Fahrenheit.

The ratio of average energy demand (load) to maximum demand (peak load) during a specific period.

The value or purchasing power of a dollar in a specified year carried forward or backward.

A type of furnace in which fuel is burned and the heat is used to produce steam.

A source of power (electricity) that can displace power from another source so that source's power can be transmitted to more distant loads.

In reference to a wind energy conversion system, the wind speed profile in which wind speeds increase with the logarithmic of the height of the wind turbine above the ground.

A device in which organic material is biochemically decomposed (digested) by anaerobic bacteria to treat the material and/or to produce biogas.

A measure of the quality of a light source by expressing the color appearance correlated with a black body.

The space between a hanging ceiling and the floor above or roof; usually contains HVAC ducts, electrical wiring, fire suppression system piping, etc.

The net south-facing glazing area projected on a vertical plane. Also, the solid area covered at any instant by a wind turbine's blades from the perspective of the direction of the windstream (as opposed to the swept area).

A construction element used to cover the exterior of wall framing and roof trusses.

The potentially useful byproducts of ethanol fermentation process.