A financing option for residential solar in which a solar company owns (and installs, monitors, maintains) your solar panels; you pay for electricity. With PPAs, you avoid the high upfront costs of installing solar and pay a monthly rate that depends on how much energy your panels produce.

A contract between an electricity user or corporate client and an electricity producer for the sale of electricity at a pre-established price and for a pre-established period of time. The contract lays out the commercial conditions for the sale of electricity: duration of the contract, delivery point, date/time of delivery, volume, price and energy source.