Wind and solar power

Notes & caveats

• Capacity is our calculation from the Bundesnetzagentur's unit register: all onshore wind turbines and solar PV units with a commissioning date on or before 31 December 2025 and not permanently decommissioned by then, summed by the district of the unit's municipality key. Gross capacity (for solar: module peak power) is used. Offshore wind is excluded because it belongs to no state.
• East, West, Berlin, Germany and state figures are our calculation: capacity ÷ Destatis population on 31.12.2025. District figures divide by the district population on 31.12.2024 (the base the BKA uses), because 2025 district populations were not yet available to us.
• Wind alone: East 1,827 W per head, West 675 W (2.7 times), Berlin 4 W, Germany 816 W. Solar alone: East 2,304 W, West 1,322 W (1.7 times), Berlin 135 W, Germany 1,415 W.
• Hanau (a separate district since 1 January 2026) is shown with the Main-Kinzig-Kreis value: the register still files Hanau's units under Main-Kinzig, and the district population base still treats them as one. A few units carrying the pre-2016 Göttingen key are counted in today's Landkreis Göttingen. 12 solar units (about 50 MW) with neither a municipality nor a state in the register are left out. Units registered late (after the export date) are missing, so the figures may rise slightly in later exports.
• Cross-check: Energy-Charts (Fraunhofer ISE), which uses the Bundesnetzagentur's state statistics, shows 4,038 W per head for the East and 1,962 W for the West in 2025. Our figures are 1–4% higher in almost every state; the likeliest reasons are units registered after those statistics were compiled and a different population base.
• Installed capacity shows where plants stand, not who uses the power: large wind and solar parks in thinly populated districts produce very high per-head values.