Summary of Alliant Energy Corporation (LNT) Q4 2025 Earnings Call

1Key Financial Results and Metrics

Ongoing Earnings Per Share (EPS): Achieved growth of $0.18 year-over-year, totaling ongoing EPS growth of 6% for 2025, exceeding guidance.

Total Shareholder Return: Over 13% for the year.

Dividend: Increased for the 22nd consecutive year.

Ten-Year Compound Annual EPS Growth: 6.3%.

Temperature Impact: Contributed approximately $0.03 per share to margins, contrasting with a $0.15 reduction in 2024.

2Strategic Updates and Business Highlights

Regulatory Success: Achieved a unanimous settlement in the 2026–2027 rate review in Wisconsin.

Energy Storage Investments: Completed 275 megawatts of energy storage projects.

Data Center Growth: Signed electric service agreements (ESAs) totaling three gigawatts of peak load, indicating a 50% future growth in demand.

Customer-Focused Investments: Continued emphasis on economic development, particularly in Iowa, where retail electric base rates will remain flat through the decade.

Flexibility in Planning: Successfully adapted to the relocation of the QTS data center project from Wisconsin to Iowa, showcasing the company's agility.

3Forward Guidance and Outlook

2026 Earnings Guidance: Affirmed with expectations for ongoing growth driven by capital investments and retail sales growth of approximately 1%.

Long-Term Growth Projections: Compound annual earnings growth rate expected to exceed 7% from 2027 to 2029.

Capital Expenditure Plan: A four-year capital plan remains on track, with a mix of cash from operations and new financing.

4Bad News, Challenges, or Points of Concern

Higher Operating Costs: Increased operating and maintenance expenses due to planned generation maintenance and new generation resources.

Regulatory Uncertainty: Potential challenges related to gubernatorial races in Iowa and Wisconsin, which could impact future regulatory environments.

Local Opposition: Concerns regarding data center developments in Wisconsin, particularly related to local zoning and annexation issues.

Market Competition: The need to maintain competitive rates while managing growth and regulatory expectations.

5Notable Q&A Insights

Data Center Agreements: Discussions highlighted the potential for additional capacity beyond current agreements, with a focus on ensuring high-quality ESAs.

Regulatory Environment: Executives emphasized the importance of local governance in Wisconsin impacting data center growth, while Iowa remains more favorable.

Future Load Growth: Anticipated that most data center load growth will materialize in 2027 and beyond, with a conservative approach to 2026 projections.

Flexibility in Resource Planning: The company is prepared to adapt its capital plans based on evolving customer needs and regulatory landscapes. Overall, Alliant Energy demonstrated strong financial performance in 2025, with a focus on strategic growth through customer engagement and regulatory success, while navigating challenges related to local governance and operational costs.