Southern Co
Close on Nov 2, 2026Market cap $107.95BP/E 22.9Yield 3.11%
Southern Mississippi Power Company Historical Return on Average by Year
Mississippi Power Company Historical Return on Average Common Equity (%, FY2015–FY2019) (%)
Southern Mississippi Power Company Historical Return on Average: 8.5% in FY2019, down 7.3 pts from a year earlier. No newer figure appears in the documents we track.
Where the FY2019 figure comes from
“|| Return on Average Common Equity (percent) (a)(b) | 8.54 | 15.83 | (120.43) | (1.87) | (0.34)”
Source: Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗
Reported in Form 10-K Item 1, Item 6 & Item 7 — Subsidiary Retail Sales & Customers.
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Mississippi Power Company Historical Return on Average Common Equity (%, FY2015–FY2019) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2019 | Dec 31, 2019 | 8.5% | -7.3 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2018 | Dec 31, 2018 | 15.8% | +136.3 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2017 | Dec 31, 2017 | -120.4% | -118.6 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2016 | Dec 31, 2016 | -1.9% | -1.5 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2015 | Dec 31, 2015 | -0.3% | – | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
Cite this data
StockData. (2026). Southern Mississippi Power Company Historical Return on Average (%), annual FY2015–FY2019 [Data set]. Compiled from Southern SEC filings and investor materials. https://stockdatahq.com/stocks/so/kpis/item6-mpc-roace-pct
See every metric in the Southern KPI table. Data updated Nov 2, 2026.