Constellation Energy Corp (CEG) operating KPIs
Close on Oct 30, 2026Market cap $92.96BP/E 25.6Yield 0.15%
Constellation Energy total Owned Nuclear Fleet Generation Output (GWh)
Reflects proportional ownership share of nuclear generation across Midwest, Mid-Atlantic, New York, and ERCOT (44% of South Texas Project from November 1, 2023). Child unit series show monthly total plant net generation from Form EIA-923.
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Total Owned Nuclear Fleet Generation Output (GWh) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 182,690.00 | +0.5% | Constellation Energy 10-K FY2025 (0001868275-26-000032) ↗ |
| FY2024 | Dec 31, 2024 | 181,711.00 | +4.4% | Constellation Energy 10-K FY2025 (0001868275-26-000032) ↗ |
| FY2023 | Dec 31, 2023 | 174,047.00 | +0.4% | Constellation Energy 10-K FY2024 (0001868275-25-000023) ↗ |
| FY2022 | Dec 31, 2022 | 173,350.00 | +0.2% | Constellation Energy 10-K FY2023 (0001868275-24-000017) ↗ |
| FY2021 | Dec 31, 2021 | 172,990.00 | -1.2% | Constellation Energy 10-K FY2022 (0001868275-23-000013) ↗ |
| FY2020 | Dec 31, 2020 | 175,085.00 | – | Constellation Energy 10-K FY2021 (0001193125-22-084880) ↗ |
Breakdown
What makes up total owned nuclear fleet generation output (gwh)
- Midwest Nuclear Generation Output — Braidwood, Byron, Clinton, Dresden, LaSalle & Quad Cities (GWh)93,866.00 · FY2025
- Mid-Atlantic Nuclear Generation Output — Calvert Cliffs, Limerick, Peach Bottom & Salem (GWh)52,914.00 · FY2025
- New York Nuclear Generation Output — FitzPatrick, Ginna & Nine Mile Point (GWh)26,339.00 · FY2025
- ERCOT Nuclear Generation Output — South Texas Project 44% Ownership [acquired Nov 1, 2023] (GWh)9,571.00 · FY2025
- ESG Reported Annual Nuclear Net Generation (GWh)182,696.00 · FY2025
Cite this data
StockData. (2026). Constellation Energy Total Owned Nuclear Fleet Generation Output (GWh), annual FY2020–FY2025 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/nuc_gen_total_gwh
See every metric in the Constellation Energy KPI table. Data updated Oct 26, 2026.