Southern Co
Close on Nov 2, 2026Market cap $107.95BP/E 22.9Yield 3.11%
Southern Nameplate Generating Capacity by Year
Nameplate Generating Capacity — Southern Power (MW, Net Ownership)
Southern Nameplate Generating Capacity: 12,647.90 mw in FY2025, unchanged from a year earlier. That is the highest of the 8 years on record here.
Where the FY2025 figure comes from
“|| Total Southern Power Generating Capacity | 12,647,880”
Source: Southern Company 10-K (10k_2025, filed 2026-02-19, 0000092122-26-000006) ↗
Reported in Form 10-K Item 1, Item 2 & Item 6 — Utility Customers & System Peak Load.
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Nameplate Generating Capacity — Southern Power (MW, Net Ownership) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 12,647.90 | 0.0% | Southern Company 10-K (10k_2025, filed 2026-02-19, 0000092122-26-000006) ↗ |
| FY2024 | Dec 31, 2024 | 12,647.90 | +1.2% | Southern Company 10-K (10k_2024, filed 2025-02-20, 0000092122-25-000018) ↗ |
| FY2023 | Dec 31, 2023 | 12,497.90 | 0.0% | Southern Company 10-K (10k_2023, filed 2024-02-15, 0000092122-24-000009) ↗ |
| FY2022 | Dec 31, 2022 | 12,501.40 | +0.4% | Southern Company 10-K (10k_2022, filed 2023-02-16, 0000092122-23-000012) ↗ |
| FY2021 | Dec 31, 2021 | 12,446.40 | +4.4% | Southern Company 10-K (10k_2021, filed 2022-02-17, 0000092122-22-000003) ↗ |
| FY2020 | Dec 31, 2020 | 11,920.50 | -2.7% | Southern Company 10-K (10k_2020, filed 2021-02-18, 0000092122-21-000006) ↗ |
| FY2019 | Dec 31, 2019 | 12,247.30 | +3.0% | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2018 | Dec 31, 2018 | 11,888.20 | – | Southern Company 10-K (10k_2018, filed 2019-02-20, 0000092122-19-000006) ↗ |
Cite this data
StockData. (2026). Southern Nameplate Generating Capacity, annual FY2018–FY2025 [Data set]. Compiled from Southern SEC filings and investor materials. https://stockdatahq.com/stocks/so/kpis/k10-cap-spc-mw
See every metric in the Southern KPI table. Data updated Nov 2, 2026.