Alliant Energy Corporation · NASDAQ:LNT
Alliant Energy — Q2 2025 Earnings Presentation
13 slides from Alliant Energy's earnings presentation, Aug 8, 2025
Slide 1: Alliant Energy Corporation Q2 2025 Earnings Call
Alliant Energy Corporation Q2 2025 Earnings Call August 8, 2025
Slide 2: Cautionary Statements
Cautionary Statements Forward-looking Statements The information regarding forecasted earnings per share, forecasted effective income tax rates, financing plans and sources of funding, tax credit safe harboring, generation and storage projects and in-service dates, and regulatory plans contain forwa
Slide 3: The Alliant Energy Advantage
The Alliant Energy AdvantageTM Powering a future you want to own Industry-leading growth opportunities driven by data centers, enabled by constructive regulation Growing at the pace of customers through adaptive resource planning with strategically paced investments Consistently delivering on custom
Slide 4: Scaling for the Future: Load Growth Opportunities
Scaling for the Future: Load Growth Opportunities Growing mature opportunities – Agreement in principle with QTS-Madison 5 Q2 update + Incremental opportunities Represents potential load that would be served through a 4 QTS is exploring the opportunity to establish a at various combination of existi
Slide 5: Scaling for the Future: Load Growth Opportunities
Scaling for the Future: Load Growth Opportunities Growing at the pace of customers: Creating cascading waves of investment opportunities Current Data Center Demand Mature Opportunities Update (potential upside to the capital expenditure plan) ✓ QTS is exploring the opportunity to establish a data ce
Slide 6: The Alliant Energy Advantage: Investment plan well-positioned and intact
The Alliant Energy Advantage: Investment plan well-positioned and intact One Big Beautiful Bill Act (OBBBA) supports our current plan Tax legislation assessment: Safe harbored tax credits on energy storage & wind Current investment plans intact ~800 MW ✓ All batteries in plan (~800MW) safe harbored*
Slide 7: The Alliant Energy Advantage: Iowa regulatory construct intact
The Alliant Energy Advantage: Iowa regulatory construct intact Iowa regulatory construct provides ability to grow at scale while providing ability to earn authorized returns, keeping electric base rates stable through at least 2029 Retention of tax benefits, energy margins and capacity until investm
Slide 8: Financial Highlights: Q2 2025 results
Financial Highlights: Q2 2025 results Q2 2025 earnings per share $0.68 Q2 2024 ongoing earnings per share $0.57 Revenue requirements from capital investments at IPL and WPL 0.19 Higher depreciation expense (0.06) Higher financing expense (0.05) Estimated temperature impacts on retail electric and ga
Slide 9: 2025 Earnings Guidance
2025 Earnings Guidance Reaffirming 2025 EPS guidance range of $3.15 - $3.25 Key Assumptions • Ability of IPL and WPL to earn their authorized rates of return • Normal temperatures in its utility service territories • Stable economy and resulting implications on utility sales • Execution of capital e
Slide 10: Financing Plans
Financing Plans Financing plans support growth in capex and upcoming maturities Estimated Remaining 2025 ($ millions) Debt Issuances Completed 2025 Debt Issuances Upcoming Maturities ($300) 364-day @ variable rate in March 2026 $300 364-day @ variable rate in March 2025 AE Finance/Parent $725 ($575)
Slide 11: 2025 Regulatory Proceedings
2025 Regulatory Proceedings Regulatory initiatives for customer focused investments and individual customer rate filings Iowa Regulatory Proceedings Docket Est. Date ✓ Approval: Lansing energy • Anticipated commission decision on Individual Customer Rate filing for QTS data center TF-2025-0047 Q3 20
Slide 12: Wisconsin Rate Review – Docket 6680-UR-125
Wisconsin Rate Review – Docket 6680-UR-125 Summary of Request for Forward Test Years 2026 2027 Procedural Schedule Increase in electric revenue requirements $120M $82M 8/12 Staff & Intervenor Testimony Increase in gas revenue requirements $9M $5M Proposed return on equity 9.9% 9.9% 9/2 Rebuttal Test
Slide 13: GAAP to Ongoing Earnings Reconciliation
GAAP to Ongoing Earnings Reconciliation The following table provides a summary of Alliant Energy’s results for the three months ended June 30: GAAP EPS Adjustments Ongoing EPS 2025 2024 2025 2024 2025 2024 IPL $0.38 $0.07 $-- $0.23 $0.38 $0.30 WPL 0.34 0.25 -- -- 0.34 0.25 Corporate Services 0.02 0.