En feed-in tariff (FIT, standard offer contract,Couture, T., Cory, K., Kreycik, C., Williams, E., (2010). "Policymaker's Guide to Feed-in Tariff Policy Design," National Renewable Energy Laboratory, U.S. Dept. of Energy, www.nrel.gov/docs/fy10osti/44849.pdf advanced renewable tariff eller renewable energy payments) er en politisk mekanisme designet til at fremme investeringer i vedvarende energi.