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U.S. Department of Energy
Industry: Government
Number of terms: 22108
Number of blossaries: 0
Company Profile:
The amount of useful energy produced by a system less the amount of energy required to produce the fuel.
Industry:Energy
The amount of visible light that passes through the glazing material of a window, expressed as a percentage.
Industry:Energy
The amount of work accomplished by electrical power, usually measured in kilowatt-hours (kWh). One kWh is 1,000 Watts and is equal to 3,413 Btu.
Industry:Energy
The amount of work done in raising one pound one foot.
Industry:Energy
The amount that the voltage, current, and/or power output of a solar cell changes due to a change in the cell temperature.
Industry:Energy
The analysis of atmospheric conditions, particularly moisture in the air.
Industry:Energy
The angle at which a solar collector or module is set to face the sun relative to a horizontal position. The tilt angle can be set or adjusted to maximize seasonal or annual energy collection.
Industry:Energy
The angle between a line from a point on the earth's surface to the center of the solar disc, and a line extending horizontally from the point.
Industry:Energy
The angle between true south and the point on the horizon directly below the sun.
Industry:Energy
The angle that a solar collector is positioned from horizontal.
Industry:Energy