21 Terms
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Energy efficiency
Industry: Energy
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Energy efficiency
Storage hydropower
Energy; Energy efficiency
A hydropower facility that stores water in a reservoir during high-inflow periods to augment water during low-inflow periods. Storage projects allow the flow releases and power production to be more ...
Thin-film
Energy; Energy efficiency
A layer of semiconductor material, such as copper indium diselenide or gallium arsenide, a few microns or less in thickness, used to make solar photovoltaic cells.
Intrinsic layer
Energy; Energy efficiency
A layer of semiconductor material (as used in a solar photovoltaic device) whose properties are essentially those of the pure, undoped, material.
Central power plant
Energy; Energy efficiency
A large power plant that generates power for distribution to multiple customers.
Ellipsoidal reflector lamp
Energy; Energy efficiency
A lamp where the light beam is focused 2 inches ahead of the lamp reducing the amount of light trapped in the fixture.
Selective surface coating
Energy; Energy efficiency
A material with high absorbence and low emittance properties applied to or on solar absorber surfaces.
Weatherstripping
Energy; Energy efficiency
A material used to seal gaps around windows and exterior doors.
