Solar Photovoltaic (PV)4 / 18
PV Economics & Payback
Cost per Wp, FiT/export income, payback period, 25-year lifetime value.
10 min read · Jacob Willis, Net Zero Lead
PV is now a mature, low-risk investment, but whether a specific system pays depends on its cost, how much of its output is used on site, and the value of the electricity it displaces.