Business Context and Reporting Period
This Form 10-Q covers The Southern Company and its subsidiary registrants (Alabama Power, Georgia Power, Mississippi Power, Southern Power, and Southern Company Gas) for the quarterly period ended September 30, 2025. The Southern Company is a holding company primarily engaged in the sale of electricity by its traditional electric operating companies and Southern Power, and the distribution of natural gas by Southern Company Gas. The filing includes unaudited condensed consolidated financial statements and management's discussion and analysis.
Key Financial Metrics (Nine Months Ended Sept 30, 2025)
| Metric | 2025 (in millions) | 2024 (in millions) |
|---|---|---|
| Total Operating Revenues | $22,572 | $20,383 |
| Operating Income | $6,368 | $6,010 |
| Consolidated Net Income Attributable to Southern Company | $3,925 | $3,867 |
| Diluted Earnings Per Share | $3.54 | $3.51 |
| Net Cash Provided by Operating Activities | $7,205 | $7,615 |
| Net Cash Used for Investing Activities | $(9,599) | $(6,678) |
| Net Cash Provided by Financing Activities | $4,635 | $(803) |
| Long-Term Debt | $64,621 | $58,768 |
| Cash and Cash Equivalents | $3,341 | $1,070 |
Material Changes vs. Prior Period
- Revenue Growth: Total operating revenues increased 10.7% year-over-year, driven by a 9.2% increase in retail electric revenues (due to rates, pricing, and sales growth) and a 10.3% increase in natural gas revenues (due to base rate increases and higher gas costs/volumes).
- Profitability: Net income attributable to Southern Company increased 1.5% year-over-year. This was primarily due to higher retail electric revenues and natural gas revenues, partially offset by increased depreciation and amortization ($493 million increase) and interest expense ($293 million increase).
- Capital Expenditures: Net cash used for investing activities increased significantly to $9.6 billion (from $6.7 billion), primarily due to property additions of $8.5 billion and a $635 million business acquisition (Tenaska Alabama Partners by Alabama Power).
- Debt Levels: Long-term debt increased by approximately $5.9 billion, reflecting net issuances of senior notes and junior subordinated notes to fund construction programs and refinance maturing debt.
- Segment Performance:
- Traditional Electric Operating Companies: Net income increased to $3.99 billion, driven by rate increases and sales growth.
- Southern Power: Net income decreased to $141 million (from $264 million) primarily due to accelerated depreciation related to wind repowering projects.
- Southern Company Gas: Net income remained relatively flat at $549 million.
Guidance, Outlook, and Risks
- Regulatory Developments:
- Georgia Power: The Georgia PSC approved an extension of the 2022 Alternate Rate Plan (ARP) through 2028 and approved the 2025 Integrated Resource Plan (IRP), which includes extending the operation of several fossil fuel units and certifying new renewable and battery storage projects totaling approximately $16.7 billion in investment.
- Alabama Power: Completed the acquisition of Tenaska Alabama Partners (Lindsay Hill Generating Station) and received approval for a Jurisdictional Separation Study order.
- Mississippi Power: Completed the acquisition of a 50% interest in Plant Daniel Units 1 and 2.
- Construction Programs: Significant capital is being deployed for generation, transmission, and distribution upgrades. Southern Power is repowering wind facilities (Kay, Grant Plains, Grant, Wake), resulting in accelerated depreciation impacts in 2025-2027.
- Tax Legislation: The "One Big Beautiful Bill Act" (OBBB) signed in July 2025 restricts Investment Tax Credits (ITCs) and Production Tax Credits (PTCs) for solar and wind projects, requiring construction to begin by July 2026 or be operational by end of 2027. Nuclear and battery storage credits remain available.
- Environmental Compliance: Ongoing costs and regulatory uncertainty related to Coal Combustion Residuals (CCR) rules, Effluent Limitation Guidelines (ELG), and Greenhouse Gas (GHG) rules. The EPA is reconsidering several 2024 rules, creating uncertainty regarding compliance deadlines and costs.
- Legal Contingencies: Significant litigation includes a class action regarding nuclear employee compensation, False Claims Act allegations related to the Kemper County facility, and citizen suits regarding CCR closure plans at Alabama Power.
Investor Verification Checklist
- Capital Expenditure Execution: Verify the progress and cost management of the $16.7 billion in Georgia Power projects and Southern Power's wind repowering initiatives.
- Regulatory Rate Recovery: Monitor the outcome of pending rate cases, specifically the Virginia Natural Gas base rate case and the timing of storm damage cost recovery filings for Georgia Power.
- Debt Refinancing: Assess the impact of rising interest rates on future refinancing costs, given the significant increase in long-term debt and the maturity profile of existing securities.
- Tax Credit Utilization: Evaluate the impact of the OBBB legislation on the monetization of renewable energy tax credits and the company's ability to meet new construction deadlines.
- Environmental Liabilities: Review updates on Asset Retirement Obligations (AROs) related to CCR rules, as cost estimates have fluctuated and could materially impact future cash flows.
- Wholesale Market Exposure: Monitor Southern Power's exposure to wholesale market volatility and the impact of accelerated depreciation on its earnings trajectory.