8-K: Southern Company Reports Strong Q3 2025 Earnings Growth

Southern Company announced third-quarter 2025 earnings of $1.7 billion, or $1.55 per share, marking an increase from the prior year, driven by higher utility revenues.

Summary

• Third-quarter 2025 GAAP earnings were $1.7 billion, or $1.55 per share, compared to $1.5 billion, or $1.40 per share, in the third quarter of 2024.
• Excluding certain items, third-quarter 2025 earnings were $1.8 billion, or $1.60 per share, compared to $1.6 billion, or $1.43 per share, in the third quarter of 2024.
• For the nine months ended September 30, 2025, GAAP earnings were $3.93 billion, or $3.56 per share, compared to $3.87 billion, or $3.53 per share, for the same period in 2024.
• For the nine months ended September 30, 2025, excluding certain items, earnings were $4.1 billion, or $3.76 per share, compared to $3.9 billion, or $3.56 per share, for the same period in 2024.
• Third-quarter 2025 operating revenues increased by 7.5% to $7.8 billion, from $7.3 billion in the third quarter of 2024.
• Year-to-date September 30, 2025, operating revenues increased by 10.7% to $22.6 billion, from $20.4 billion in the corresponding period of 2024.
• Adjusted earnings drivers for Q3 2025 included higher utility revenues, partially offset by higher depreciation and amortization, increased interest expense, and milder weather.
• Site demobilization efforts for Plant Vogtle Units 3 and 4 were completed during the third quarter 2025.
• Accelerated depreciation related to the repowering of certain wind facilities at Southern Power resulted in pre-tax charges of $103 million in Q3 2025 and $168 million year-to-date 2025.
• Mississippi Power Company expects to incur additional pre-tax costs through the end of 2025 related to the dismantlement of abandoned gasifier-related assets and site restoration activities at the Kemper County energy facility.
• Costs associated with the extinguishment of debt totaled $129 million pre-tax for the nine months ended September 30, 2025, due to the repurchase of certain convertible senior notes.

Sentiment

Score: 8

Explanation: The company reported strong financial results with significant increases in both GAAP and non-GAAP earnings and operating revenues. Management's commentary is positive, highlighting momentum in electric demand and strategic positioning. While there are ongoing costs related to specific projects and accelerated depreciation, these are disclosed and appear to be managed within the context of overall robust performance.

Positives

• Increased GAAP earnings per share to $1.55 in Q3 2025 from $1.40 in Q3 2024, and to $3.56 YTD 2025 from $3.53 YTD 2024.
• Increased non-GAAP earnings per share (excluding items) to $1.60 in Q3 2025 from $1.43 in Q3 2024, and to $3.76 YTD 2025 from $3.56 YTD 2024.
• Strong operating revenue growth of 7.5% in Q3 2025 ($7.8 billion) and 10.7% year-to-date 2025 ($22.6 billion).
• Higher utility revenues were a significant positive driver for adjusted earnings.
• Completion of site demobilization efforts for Plant Vogtle Units 3 and 4 during the third quarter 2025.
• Reported a pre-tax gain of $2 million ($1 million after tax) from the sale of a multi-use commercial facility development at Alabama Power Company.

Negatives

• Higher depreciation and amortization expenses partially offset adjusted earnings drivers.
• Increased interest expense partially offset adjusted earnings drivers.
• Milder weather conditions partially offset adjusted earnings drivers.
• Pre-tax charges of $103 million in Q3 2025 and $168 million year-to-date 2025 related to accelerated depreciation from the repowering of certain wind facilities at Southern Power.
• Pre-tax costs of $129 million for the nine months ended September 30, 2025, associated with the extinguishment of debt at Southern Company.
• Mississippi Power Company expects to incur additional pre-tax period costs through the end of 2025 related to the dismantlement of abandoned gasifier-related assets and site restoration activities at the Kemper County energy facility.

Risks

• Impact of recent and future federal and state regulatory changes, including tax, environmental, and other laws and regulations.
• Extent and timing of costs and legal requirements related to coal combustion residuals.
• Current and future litigation or regulatory investigations, proceedings, or inquiries, including litigation related to the Kemper County energy facility.
• Effects, extent, and timing of the entry of additional competition in the markets, including from alternative energy sources.
• Variations in demand for electricity and natural gas.
• Available sources and costs of natural gas and other fuels and commodities.
• Ability to complete necessary or desirable pipeline expansion or infrastructure projects, limits on pipeline capacity, public and policymaker support for such projects, and operational interruptions.
• Transmission constraints.
• Ability to control costs and avoid cost and schedule overruns during the development, construction, and operation of facilities or other projects due to various challenges (e.g., labor, contractors, weather, shortages, inflation, tariffs, regulatory action, nonperformance, operational readiness, engineering problems, licensing, start-up, pandemic health events, environmental/geological conditions, interconnection delays, financing costs).
• Legal proceedings and regulatory approvals and actions related to past, ongoing, and proposed construction projects.
• Ability to construct facilities in accordance with permits and licenses, satisfy environmental performance standards, and integrate facilities.
• Investment performance of employee and retiree benefit plans and nuclear decommissioning trust funds.
• Advances in technology, including the pace and extent of development of lowto no-carbon energy and battery energy storage technologies.
• Performance of counterparties under ongoing renewable energy partnerships and development agreements.
• State and federal rate regulations and the impact of pending and future rate cases and negotiations.
• Ability to successfully operate electric utilities' generation, transmission, distribution, and battery energy storage facilities, and natural gas distribution and storage facilities.
• Inherent risks involved in operating nuclear generating facilities.
• Inherent risks involved in generation, transmission, and distribution of electricity and transportation and storage of natural gas, including accidents, explosions, fires, mechanical problems, and environmental risks.
• Performance of projects undertaken by non-utility businesses and the success of efforts to invest in and develop new opportunities.
• Internal restructuring or other restructuring options that may be pursued.
• Potential business strategies, including acquisitions or dispositions of assets or businesses, or interests therein.
• Ability of counterparties to make payments as and when due and to perform as required.
• Ability to obtain new shortand long-term contracts with wholesale customers.
• Direct or indirect effect on the business resulting from cyber intrusion or physical attack.
• Global and U.S. economic conditions, including impacts from geopolitical conflicts, recession, inflation, changes in trade policies, interest rate fluctuations, and financial market conditions.
• Access to capital markets and other financing sources.
• Changes in credit ratings.
• Ability of electric utilities to obtain additional generating capacity (or sell excess generating capacity) at competitive prices.
• Catastrophic events such as fires, earthquakes, explosions, floods, tornadoes, hurricanes, droughts, pandemic health events, political unrest, or wars.
• Direct or indirect effects on the business resulting from incidents affecting the U.S. electric grid, natural gas pipeline infrastructure, or operation of generating or storage resources.
• Impairments of goodwill or long-lived assets.
• Effect of accounting pronouncements issued periodically by standard-setting bodies.

Future Outlook

The company anticipates continued momentum around electric demand growth opportunities and sustained interest in its service territories. Management expects to finish the year strong and capture future opportunities. Accelerated depreciation for wind facility repowering projects is projected to continue until their commercial operation dates, expected between the third quarter 2026 and the second quarter 2027, with remaining pre-tax accelerated depreciation estimated at approximately $100 million in 2025, $320 million in 2026, and $25 million in 2027. Mississippi Power Company expects additional pre-tax costs through the end of 2025 for Kemper County facility dismantlement. The company maintains its goal of net-zero greenhouse gas emissions by 2050. Further charges or credits related to Plant Vogtle Units 3 and 4, similar debt extinguishment costs, or impairment charges may occur in the future, but their amounts and timing are uncertain.

Management Comments

• Chris Womack, chairman, president and CEO, stated: "Southern Company's robust third quarter performance comes as the momentum around electric demand growth opportunities and interest in our service territories continue to build."
• Chris Womack also noted: "Our 28,000 system employees remain focused on meeting these growing needs in a way that benefits all customers while also providing premier reliability and resilient service for our company's 9 million customers."
• Chris Womack further commented: "It is that disciplined approach and our unwavering commitment to put customers at the center of all that we do that positions us to finish the year strong and continues to position us to capture the opportunities ahead."

Industry Context

The company's strong third-quarter performance, particularly the building momentum around electric demand growth and interest in its service territories, aligns with broader industry trends of increasing electrification and population shifts to the Southeast U.S. Its stated mission to provide clean, safe, reliable, and affordable energy, coupled with an industry-leading commitment to innovation, resilience, and sustainability, positions it within the evolving energy landscape. The goal of net-zero greenhouse gas emissions by 2050 reflects a common strategic objective among major utilities responding to environmental pressures and regulatory shifts.

Comparison to Industry Standards

• The filing does not provide specific comparable companies, projects, or results to assess against global benchmarks or industry standards.

Legal Proceedings

• Current and future litigation or regulatory investigations, proceedings, or inquiries, including litigation related to the Kemper County energy facility, are listed as a risk factor.

Stakeholder Impact

• Shareholders: Likely positive impact due to strong earnings growth, increased revenues, and positive management outlook, potentially leading to increased shareholder value.
• Customers: The company emphasizes its commitment to providing clean, safe, reliable, and affordable energy with excellent service, aiming to benefit all 9 million customers.
• Employees: The 28,000 system employees are noted for their focus on meeting growing needs and providing reliable service.
• Creditors: The company's debt extinguishment activities and mention of access to capital markets as a risk factor indicate ongoing financial management that could affect creditors.

Next Steps

• Southern Company's financial analyst call will be held at 1 p.m. Eastern Time on October 30, 2025, to discuss earnings and provide a general business update.
• Accelerated depreciation for wind facility repowering projects will continue until their commercial operation dates, projected between Q3 2026 and Q2 2027.
• Mississippi Power Company expects to incur additional pre-tax period costs through the end of 2025 related to Kemper County facility dismantlement and site restoration.
• The company will continue its focus on meeting growing electric demand and providing premier reliability and resilient service for its 9 million customers.
• The company is advancing its goal of net-zero greenhouse gas emissions by 2050.

Key Dates

Recommendation

The company delivered robust third-quarter results, demonstrating significant year-over-year growth in both GAAP and non-GAAP earnings and operating revenues. The completion of Plant Vogtle demobilization and strong electric demand growth in its service territories indicate positive operational momentum. While there are ongoing, disclosed costs related to wind facility repowering and Kemper County dismantlement, these appear manageable within the context of overall strong performance. Management's confident outlook and strategic focus on reliability, sustainability, and customer service further support a positive investment thesis, suggesting the stock is well-positioned for continued appreciation.

Keywords

Southern Company, SO, Utility, Energy, Earnings, Q3 2025, Financial Results, Electric Demand, Natural Gas, Renewable Energy, Vogtle, Kemper, Power Generation, Regulated Utilities, Investor Relations