This guide explains multiple financing options available to homeowners considering the installation of a PV system. It includes a short overview of PV system design, the benefits of installing a rooftop PV system, and the elements of system cost. It also includes short descriptions and a table comparison of financing a PV system though a cash purchase, home equity loan, solar lease, residential PPA, and a PACE financing program, which includes information on upfront cost, system ownership, and expected payback period.