A type of electrical current.

Also known as a solar array, an array is a group of solar panels that are wired together.

The amount customers can expect to pay for a kilowatt hour of energy.

The amount it would cost the utility to produce or purchase a unit of energy.

Angle measured clockwise from north indicating the angle between the north direction and the surface projection into the horizontal plane. For example, a 180 degree azimuth faces south.

A device that stores electricity. Typically only used for solar power systems that are stand alone or off grid.

A photovoltaic module unit that provides the materials necessary to produce electricity.

Energy that, when generated, does not cause harm to the environment. Closely tied to renewable energy, including solar energy.

How much power your home uses.

An electrical current type, the opposite of alternating current.