The angle that a solar collector is positioned from horizontal.

A type of solar photovoltaic device made in a continuous process of pulling material from a molten bath of photovoltaic material, such as silicon, to form a thin sheet of material.

A generator with a single armature coil, which may have many turns and the alternating current output consists of a succession of cycles.

This committee has oversight over the generation and marketing of electric power from federal water projects by federally charted or Federal RPM authorities, measures and matters concerning water resources planning, compacts relating to use and apportionm ...

A pre-cut layer of insulation applied around a water heater storage tank to reduce standby heat loss from the tank.

A passage for surplus water to flow over or around a dam.

The solar power density incident on a surface of stated area and orientation, usually expressed as Watts per square meter or Btu per square foot per hour.

The minimum temperature at which sufficient vapor is released by a liquid or solid (fuel) to form a flammable vapor-air mixture at atmospheric pressure.

A chemical element that can be used as a fuel since it has a very high energy content.

The region between an n-layer and a p-layer in a single material, photovoltaic cell.

A means of billing electric power consumers to pay for the costs of demand side management/energy conservation measures and programs. (See also Benefits Charge.)

Categories of energy consumers, as defined by consumption or demand levels, patterns, and conditions, and generally included residential, commercial, industrial, agricultural.

The number of revolutions that the motor turns in a given time period (i.e. revolutions per minute, rpm).

A solar heating system that preheats water or air that is then heated more by another heating appliance.

A concrete pad that sits on gravel or crushed rock, well-compacted soil either level with the ground or above the ground.

The sum of the ratings of the electricity consuming apparatus connected to a generating system.

A plan developed by an electric utility, sometimes as required by a public regulatory commission or agency, that defines the short and long term capacity additions (supply side) and demand side management programs that it will undertake to meet projected ...

The deferment of certain loads to limit electrical power demand, or the production of energy during off-peak periods for storage and use during peak demand periods.

see Peak Watt.

An amount paid by a customer for being connected to an electricity supplier's transmission and distribution system.