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 5/3012% above fair value

$94.61+0.90 (+0.96%)

Close on Nov 2, 2026Market cap $107.95BP/E 22.9Yield 3.11%

Southern Mississippi Power Company Operating Income by Year

Name: Southern Mississippi Power Company Operating Income by Year (SO)
Creator: Southern

Mississippi Power Company Operating Income ($M) ($M)

Quarterly Annual

Southern Mississippi Power Company Operating Income: $334M in FY2025, up 12.8% from a year earlier. That is the highest of the 9 years on record here.

Latest, FY2025

334

Period ended Dec 31, 2025

Change on a year earlier

+12.8%

296 in FY2024

History

9 years

Since FY2017

Sources

Documents cited below

Where the FY2025 figure comes from

Source: Southern Company 10-K (10k_2025, filed 2026-02-19, 0000092122-26-000006) ↗

Reported in Form 10-K / 10-Q Co-Filing Registrant XBRL (`dei:LegalEntityAxis` & `srt:ProductOrServiceAxis`).

Annual history

Hover a value to see the sentence it was read from; calculated values show their formula

Period	Ended	Mississippi Power Company Operating Income ($M) ($M)	Year on year	Source
FY2025	Dec 31, 2025	334	+12.8%	Southern Company 10-K (10k_2025, filed 2026-02-19, 0000092122-26-000006) ↗
FY2024	Dec 31, 2024	296	+13.8%	Southern Company 10-K (10k_2025, filed 2026-02-19, 0000092122-26-000006) ↗
FY2023	Dec 31, 2023	260	+16.1%	Southern Company 10-K (10k_2025, filed 2026-02-19, 0000092122-26-000006) ↗
FY2022	Dec 31, 2022	224	+9.3%	Southern Company 10-K (10k_2024, filed 2025-02-20, 0000092122-25-000018) ↗
FY2021	Dec 31, 2021	205	-1.9%	Southern Company 10-K (10k_2023, filed 2024-02-15, 0000092122-24-000009) ↗
FY2020	Dec 31, 2020	209	-7.1%	Southern Company 10-K (10k_2022, filed 2023-02-16, 0000092122-23-000012) ↗
FY2019	Dec 31, 2019	225	+16.6%	Southern Company 10-K (10k_2021, filed 2022-02-17, 0000092122-22-000003) ↗
FY2018	Dec 31, 2018	193	-106.1%	Southern Company 10-K (10k_2020, filed 2021-02-18, 0000092122-21-000006) ↗
FY2017	Dec 31, 2017	-3,151	–	Southern Company 10-K (10k_2019, filed 2020-02-20, 0000092122-20-000017) ↗

Cite this data

StockData. (2026). Southern Mississippi Power Company Operating Income ($M), annual FY2017–FY2025 [Data set]. Compiled from Southern SEC filings and investor materials. https://stockdatahq.com/stocks/so/kpis/xbrl-mpc-op-inc-m

See every metric in the Southern KPI table. Data updated Nov 2, 2026.