High Quality Content by WIKIPEDIA articles! Feed-in electricity tariffs have been introduced in Germany to encourage the use of new energy technologies such as wind power, biomass, hydropower, geothermal power and solar photovoltaics. Each technology is eligible for a different feed-in rate. As of July 2010, feed-in tariffs range from 3.47 ct/kWh for hydropower facilities over 50 MW to 34.05 ct/kWh for solar installations on buildings up to 30 kW.