4 Terms
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Energy efficiency
Industry: Energy
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Energy efficiency
Integrated resource plan (IRP)
Energy; Energy efficiency
A plan developed by an electric power provider, sometimes as required by a public regulatory commission or agency, that defines the short and long term capacity additions (supply side) and demand ...
Split spectrum photovoltaic cell
Energy; Energy efficiency
A photovoltaic device where incident sunlight is split into different spectral regions, with an optical apparatus, that are directed to individual photovoltaic cells that are optimised for converting ...
Indirect solar gain system
Energy; Energy efficiency
A passive solar heating system in which the sun warms a heat storage element, and the heat is distributed to the interior space by convection, conduction, and radiation.
Attic vent
Energy; Energy efficiency
A passive or mechanical device used to ventilate an attic space, primarily to reduce heat buildup and moisture condensation.
Pitch control
Energy; Energy efficiency
A method of controlling a wind turbine's speed by varying the orientation, or pitch, of the blades, and thereby altering its aerodynamics and efficiency.
Dendritic web technique
Energy; Energy efficiency
A method for making sheets of polycrystalline silicon in which silicon dendrites are slowly withdrawn from a melt of silicon whereupon a web of silicon forms between the dendrites and solidifies as ...
Edge-defined film-fed growth (EFG)
Energy; Energy efficiency
A method for making sheets of polycrystalline silicon (for solar photovoltaic devices) in which molten silicon is drawn upward by capillary action through a mold.
