SO · 8-K · 20260730PR000056

Market Demand Trends

SOUTHERN CO · 2026-07-30 · Importance 27 · Surprise 40

Southern Company’s total kilowatt-hour sales increased 3.9% year over year in the second quarter of 2026 and 3.7% year to date. Total retail sales rose 2.1% in the quarter and 1.3% year to date, with commercial sales up 7.3% and 5.8%, respectively. Wholesale sales increased 9.2% in the quarter and 11.0% year to date, indicating stronger wholesale demand. Regulated utility customers increased 0.7% to 9.0 million, including 4.612 million traditional electric customers and 4.388 million Southern Company Gas customers.

Key facts

• The company stated forward-looking information includes uncertainties related to projected significant growth in electricity demand driven primarily by data centers and other large load customers and the related requirement for substantial new generation and transmission investments. source
• Total wholesale sales were 13,826 million kWh in the three months ended June 30, 2026, up 9.2% vs 12,664 million kWh in 2025. source
• Total kilowatt-hour sales were 51,793 million kWh in the three months ended June 30, 2026, up 3.9% vs 49,858 million kWh in 2025. source
• Total regulated utility customers were 9,000 thousand at period end June 2026, up 0.7% from 8,941 thousand in June 2025. source
• Southern Company stated: "Across the Southeast, extraordinary economic development momentum and demand for power continue to create meaningful opportunities". source