Wind power in Germany is a growing industry. The installed capacity was 55.6 gigawatts (GW) at the end of 2017, with 5.2 GW from offshore installations. In 2019, a quarter of the country's total electricity was generated using wind power, compared to an estimated 9.3% in 2010. In the first half of 2021, with 22% a contribution to German electric generation, wind was the second most important contributor, following coal, which was the top producer, with 27%. In 2020 wind was the top generator.