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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 System Generation Mix — Coal by Quarter

System Generation Mix — Coal (%) (%)

QuarterlyAnnual

Southern System Generation Mix — Coal: 18.0% in Q2 2026, down 1.0 pts from a year earlier.

Latest, Q2 2026
18.0%
Period ended Jun 30, 2026
Change on a year earlier
-1.0 pts
19.0% in Q2 2025
History
20 quarters
Since Q1 2020
Sources
15
Documents cited below

Where the Q2 2026 figure comes from

“|| Coal | 18 | 19 | 19 | 19”

Source: Southern Company 10-Q (10q_2026q2, filed 2026-07-30, 0000092122-26-000054) ↗

Reported in Form 10-Q & Form 10-K Combined MD&A — Generation, Purchased Power & Fuel Cost Schedules.

Quarterly history

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

PeriodEndedSystem Generation Mix — Coal (%) (%)Year on yearSource
Q2 2026Jun 30, 202618.0%-1.0 ptsSouthern Company 10-Q (10q_2026q2, filed 2026-07-30, 0000092122-26-000054) ↗
Q1 2026Mar 31, 202620.0%+1.0 ptsSouthern Company 10-Q (10q_2026q1, filed 2026-04-30, 0000092122-26-000034) ↗
Q3 2025Sep 30, 202521.0%+2.0 ptsSouthern Company 10-Q (10q_2025q3, filed 2025-10-30, 0000092122-25-000084) ↗
Q2 2025Jun 30, 202519.0%0.0 ptsSouthern Company 10-Q (10q_2025q2, filed 2025-07-31, 0000092122-25-000076) ↗
Q1 2025Mar 31, 202519.0%+2.0 ptsSouthern Company 10-Q (10q_2025q1, filed 2025-05-01, 0000092122-25-000042) ↗
Q3 2024Sep 30, 202419.0%-2.0 ptsSouthern Company 10-Q (10q_2025q3, filed 2025-10-30, 0000092122-25-000084) ↗
Q2 2024Jun 30, 202419.0%+3.0 ptsSouthern Company 10-Q (10q_2025q2, filed 2025-07-31, 0000092122-25-000076) ↗
Q1 2024Mar 31, 202417.0%+2.0 ptsSouthern Company 10-Q (10q_2024q1, filed 2024-05-02, 0000092122-24-000042) ↗
Q3 2023Sep 30, 202321.0%0.0 ptsSouthern Company 10-Q (10q_2023q3, filed 2023-11-02, 0000092122-23-000101) ↗
Q2 2023Jun 30, 202316.0%-6.0 ptsSouthern Company 10-Q (10q_2023q2, filed 2023-08-03, 0000092122-23-000070) ↗
Q1 2023Mar 31, 202315.0%-8.0 ptsSouthern Company 10-Q (10q_2023q1, filed 2023-04-27, 0000092122-23-000028) ↗
Q3 2022Sep 30, 202221.0%-5.0 ptsSouthern Company 10-Q (10q_2022q3, filed 2022-10-27, 0000092122-22-000064) ↗
Q2 2022Jun 30, 202222.0%0.0 ptsSouthern Company 10-Q (10q_2022q2, filed 2022-07-28, 0000092122-22-000039) ↗
Q1 2022Mar 31, 202223.0%-1.0 ptsSouthern Company 10-Q (10q_2022q1, filed 2022-04-28, 0000092122-22-000014) ↗
Q3 2021Sep 30, 202126.0%+2.0 ptsSouthern Company 10-Q (10q_2021q3, filed 2021-11-04, 0000092122-21-000092) ↗
Q2 2021Jun 30, 202122.0%+3.0 ptsSouthern Company 10-Q (10q_2021q2, filed 2021-07-29, 0000092122-21-000064) ↗

Cite this data

StockData. (2026). Southern System Generation Mix — Coal (%), quarterly Q1 2020–Q2 2026 [Data set]. Compiled from Southern SEC filings and investor materials. https://stockdatahq.com/stocks/so/kpis/mda-so-mix-coal-pct

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