What is a PPA? IT Support January 15, 2021 17:44 Updated PPA stands for a Power Purchase Agreement. It is an agreement between you and a third party financier where we put solar on your roof, and you pay for the actual output of what the solar produces. Related articles What are the payment terms for my solar system? What is a PACE Program? When should I fund my solar loan? Why is it important to heed the advice of the designer? What happens to my solar If I move? Comments 0 comments Please sign in to leave a comment.