According to the latest figures from the Centre for Solar Energy and Hydrogen Research in Baden-Wurttemberg (ZSW) and the German Association of Energy and Water Industries (BDEW), solar PV generated 21.9 billion kWh of electricity, an increase of 13.5 percent in the first half (1H) of 2017. In the first half of 2016 19.3 billion kWh were generated. Wind energy on land contributed 39.4 billion kWh and offshore wind energy generating 8.8 billion kWh. The contribution of biomass increased by 2.2 percent from 22.7 billion kWh in 1H 2017 compared to 23.2 billion kWh in 1H 2016.