It is important to distinguish between and cash payments :
At the end of each calendar year, if you still have unused credits, FPL "buys them back" in cash. However, this is paid at the avoided cost rate (the wholesale price FPL would have paid to buy fuel for their own plants), which is significantly lower than the retail rate you pay for power. Key Requirements for FPL Solar Customers fpl solar buy back
Net metering is the billing mechanism that allows you to send excess electricity back to the grid in exchange for credits. It is important to distinguish between and cash
You must submit an application and sign a formal agreement with FPL. Tier Categories: if you still have unused credits