25 April 2021, Saxony-Anhalt, Veckenstedt: Rape plants are in bloom in the Harz Mountains. Wind turbines stand in the background. Photo: Matthias Bein/dpa-Zentralbild/dpa

25 April 2021, Brandenburg, Mallnow: Wind turbines in a field. Photo: Patrick Pleul/dpa-Zentralbild/ZB

25 April 2021, Brandenburg, Mallnow: Wind turbines in a field with dark rain clouds. Photo: Patrick Pleul/dpa-Zentralbild/ZB

25 April 2021, Brandenburg, Mallnow: Wind turbines in a field with dark rain clouds. Photo: Patrick Pleul/dpa-Zentralbild/ZB

25 April 2021, Brandenburg, Mallnow: Wind turbines in a field with dark rain clouds. Photo: Patrick Pleul/dpa-Zentralbild/ZB

25 April 2021, Brandenburg, Mallnow: Wind turbines in a field with dark rain clouds. Photo: Patrick Pleul/dpa-Zentralbild/ZB

25 April 2021, Brandenburg, Mallnow: Wind turbines in a field. Photo: Patrick Pleul/dpa-Zentralbild/ZB

23 April 2021, Hessen, Sch?neck: The sun rises behind wind turbines. Photo: Sebastian Gollnow/dpa

21 April 2021, Saxony, Gro?schirma: Motorcyclists ride across a country road in front of wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: A motorcyclist rides across a country road in front of wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/dpa

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

21 April 2021, Saxony, Gro?schirma: Wind turbines stand on a hill. In Saxony, there are only just over nine hundred wind turbines. According to the German Wind Energy Association, the expansion is faltering. In 2019, only 12 new wind turbines were installed. At the moment, no new areas are available for further development with wind turbines. Photo: Jan Woitas/dpa-Zentralbild/ZB

20 April 2021, Brandenburg, Jacobsdorf: Wind turbines in the "Odervorland" wind farm in the Oder-Spree district (aerial photograph taken with a drone). (to dpa "Conference of Environment Ministers of the Federation and the Lander (UMK)") Photo: Patrick Pleul/dpa-Zentralbild/dpa

20 April 2021, Brandenburg, Jacobsdorf: Wind turbines in the "Odervorland" wind farm in the Oder-Spree district (aerial photograph taken with a drone). Photo: Patrick Pleul/dpa-Zentralbild/dpa

20 April 2021, Brandenburg, Jacobsdorf: A wind turbine in the wind farm "Odervorland" in the district Oder-Spree (aerial view with a drone). Photo: Patrick Pleul/dpa-Zentralbild/dpa

20 April 2021, Brandenburg, Jacobsdorf: A tower of a wind turbine is pasted with many bird motives to deter birds from the wind farm "Odervorland" in the district Oder-Spree. (to dpa "Conference of Environment Ministers of the Federation and the Lander (UMK)") Photo: Patrick Pleul/dpa-Zentralbild/dpa

20 April 2021, Brandenburg, Jacobsdorf: The shadow of a wind turbine from the "Odervorland" wind farm is seen on a field in the Oder-Spree district (aerial photograph taken with a drone). (to dpa "Conference of Environment Ministers of the Federation and the Lander (UMK)") Photo: Patrick Pleul/dpa-Zentralbild/dpa

PRODUCTION - 20 April 2021, Baden-Wuerttemberg, Seebach: On the Hornisgrinde in the northern Black Forest, there is a sign saying "nature reserve". Behind it, a wind turbine can be seen. (to dpa "Conference of Environment Ministers of the Federation and the Lander (UMK)") Photo: Uli Deck/dpa

PRODUCTION - 20 April 2021, Baden-Wuerttemberg, Seebach: A wind turbine stands on the Hornisgrinde in the northern Black Forest. Part of the vegetation of the high moor can be seen in the foreground. (to dpa "Conference of Environment Ministers of the Federation and the Lander (UMK)") Photo: Uli Deck/dpa

19 April 2021, Brandenburg, Sieversdorf: Dark thunderclouds push over the landscape with a wind turbine in the district of Oder-Spree in East Brandenburg in the late evening before the sunset. Photo: Patrick Pleul/dpa-Zentralbild/ZB