Constellation Energy Corp
Close on Nov 2, 2026Market cap $91.15BP/E 25.1Yield 0.15%
Constellation Energy Operated Nuclear Fleet Capacity Factor by Year
Operated Nuclear Fleet Capacity Factor (%) (%)
Constellation Energy Operated Nuclear Fleet Capacity Factor: 94.7% in FY2025, up 0.1 pts from a year earlier.
Where the FY2025 figure comes from
“|| Nuclear fleet capacity factor | 94.7 | % | 94.6 | %”
Source: Constellation Energy 10-K FY2025 (0001868275-26-000032) ↗
Net monthly generation divided by maximum dependable capacity multiplied by hours in the period for Constellation-operated nuclear units (excludes non-operated Salem and STP).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Operated Nuclear Fleet Capacity Factor (%) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 94.7% | +0.1 pts | Constellation Energy 10-K FY2025 (0001868275-26-000032) ↗ |
| FY2024 | Dec 31, 2024 | 94.6% | +0.2 pts | Constellation Energy 10-K FY2025 (0001868275-26-000032) ↗ |
| FY2023 | Dec 31, 2023 | 94.4% | -0.4 pts | Constellation Energy 10-K FY2024 (0001868275-25-000023) ↗ |
| FY2022 | Dec 31, 2022 | 94.8% | +0.3 pts | Constellation Energy 10-K FY2023 (0001868275-24-000017) ↗ |
| FY2021 | Dec 31, 2021 | 94.5% | -0.9 pts | Constellation Energy 10-K FY2022 (0001868275-23-000013) ↗ |
| FY2020 | Dec 31, 2020 | 95.4% | -0.3 pts | Constellation Energy 10-K FY2021 (0001193125-22-084880) ↗ |
| FY2019 | Dec 31, 2019 | 95.7% | – | Constellation Energy 10-K FY2021 (0001193125-22-084880) ↗ |
Breakdown
What makes up operated Nuclear Fleet Capacity Factor
Cite this data
StockData. (2026). Constellation Energy Operated Nuclear Fleet Capacity Factor (%), annual FY2019–FY2025 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/nuclear-capacity-factor-pct
See every metric in the Constellation Energy KPI table. Data updated Oct 26, 2026.