Southern Co
Close on Nov 2, 2026Market cap $107.95BP/E 22.9Yield 3.11%
Southern Mississippi Power Company Historical Annual System by Year
Mississippi Power Company Historical Annual System Load Factor (%, FY2015–FY2019) (%)
Southern Mississippi Power Company Historical Annual System: 64.6% in FY2019, up 8.8 pts from a year earlier. No newer figure appears in the documents we track.
Where the FY2019 figure comes from
“|| Annual Load Factor (percent) | 64.6 | 55.8 | 63.1 | 64.0 | 60.6”
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 Annual System Load Factor (%, FY2015–FY2019) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2019 | Dec 31, 2019 | 64.6% | +8.8 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2018 | Dec 31, 2018 | 55.8% | -7.3 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2017 | Dec 31, 2017 | 63.1% | -0.9 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2016 | Dec 31, 2016 | 64.0% | +3.4 pts | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
| FY2015 | Dec 31, 2015 | 60.6% | – | Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗ |
Cite this data
StockData. (2026). Southern Mississippi Power Company Historical Annual System (%), annual FY2015–FY2019 [Data set]. Compiled from Southern SEC filings and investor materials. https://stockdatahq.com/stocks/so/kpis/item6-mpc-load-factor-pct
See every metric in the Southern KPI table. Data updated Nov 2, 2026.