Solar: 27.6 GW of capacity began operation in the 12 months to September 2026, 17% below the 12 months before
43.3 GW expected to start in the next 12 months · 46.5 GW in a building stage · 0.0 GW retired in the last 12 months · Net summer capacity listed by EIA; capacity is not energy delivered
Energy & Transport · Electricity · EIA (Form EIA-860M, monthly generator inventory) · 29 Sep 2026