Southern Co
SONYSEElectric ServicesFiscal year ends December 31Also trades as SOJC, SOJD, SOJE, SOJF, SOMN
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 30, 2026Score 6/3012% above fair value
$94.61+0.90 (+0.96%)
Close on Nov 2, 2026Market cap $107.95BP/E 22.9Yield 3.11%
Southern U.S. Nuclear Fleet Monthly Capacity Factor by Year
U.S. Nuclear Fleet Monthly Capacity Factor (%) (%)
Southern U.S. Nuclear Fleet Monthly Capacity Factor: 91.0% in FY2025, up 0.2 pts from a year earlier.
Latest, FY2025
91.0%
Period ended Dec 31, 2025
Change on a year earlier
+0.2 pts
90.8% in FY2024
History
8 years
Since FY2018
Sources
1
U.S. EIA Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8 & 9.9 — U.S. Generation, Retail Sales, Nuclear Fleet & Fuel Costs)
Where the FY2025 figure comes from
Reported in U.S. EIA Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8 & 9.9, through 2026-07).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
Cite this data
StockData. (2026). Southern U.S. Nuclear Fleet Monthly Capacity Factor (%), annual FY2018–FY2025 [Data set]. Compiled from Southern SEC filings and investor materials. https://stockdatahq.com/stocks/so/kpis/mer-nucasus
See every metric in the Southern KPI table. Data updated Nov 2, 2026.