- Industry: Energy
- Number of terms: 9078
- Number of blossaries: 0
- Company Profile:
California’s primary energy policy and planning agency
A unit of illuminance on a surface that is one foot from a uniform point source of light of one candle and is equal to one lumen per square foot.
Industry:Energy
Extraction of coal or minerals at depths greater than 1,000 feet. Coal usually is deep-mined at not more than 1,500 feet.
Industry:Energy
A central furnace equipped with a fan or blower that provides the primary means for circulation of air.
Industry:Energy
A unit, based upon temperature difference and time, used in estimating fuel consumption and specifying nominal annual heating load of a building. When the mean temperature is less than 65 degrees Fahrenheit the heating degree days are equal to the total number of hours that temperature is less than 65 degrees Fahrenheit for an entire year.
Industry:Energy
(AC) Flow of electricity that constantly changes direction between positive and negative sides. Almost all power produced by electric utilities in the United States moves in current that shifts direction at a rate of 60 times per second.
Industry:Energy
Oil, coal, natural gas or their by-products. Fuel that was formed in the earth in prehistoric times from remains of living-cell organisms.
Industry:Energy
As defined by the National Energy Policy Act (EPAct) the fuels are: methanol, denatured ethanol and other alcohols, separately or in mixtures of 85 percent by volume or more (or other percentage not less than 70 percent as determined by U.S. Department of Energy rule) with gasoline or other fuels; CNG; LNG; LPG; hydrogen; "coal-derived liquid fuels;" fuels "other than alcohols" derived from "biological materials;" electricity, or any other fuel determined to be "substantially not petroleum" and yielding "substantial energy security benefits and substantial environmental benefits."
Industry:Energy
The process of refining crude oil into various oil products. The various products are separated out in the order of their boiling points.
Industry:Energy
A difference in temperature. Often used in the context of the difference between the design indoor temperature and the outdoor temperature.
Industry:Energy
