LNT

Alliant Energy Corp. 10-Q Summary: Q2 2024

Business Context and Reporting Period

This Form 10-Q covers the quarterly period ended June 30, 2024, for Alliant Energy Corporation (Alliant Energy) and its utility subsidiaries, Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). The company operates regulated electric and gas utilities in Iowa and Wisconsin, along with non-utility energy investments and corporate services.

Key Financial Metrics (Six Months Ended June 30, 2024)

Note: Operating margins declined due to significant non-cash charges and increased expenses. Operating income margin for the six months was approximately 18.3% in 2024 compared to 22.1% in 2023.

Material Changes vs. Prior Period

• Net Income Decline: Net income decreased by $78 million (24%) year-over-year. This was primarily driven by a $60 million pre-tax non-cash asset valuation charge related to IPL's Lansing Generating Station and a $20 million charge for Asset Retirement Obligations (AROs) allocated to IPL's steam business.
• Revenue Trends: Total revenues decreased by $65 million. Electric utility revenues increased slightly ($13 million) due to higher revenue requirements at WPL, while gas utility revenues dropped significantly ($80 million) due to lower natural gas prices and warmer weather reducing sales volumes.
• Expense Increases: Operating expenses rose by $22 million. Key drivers included higher depreciation and amortization ($43 million increase) due to new solar assets and higher interest expense ($25 million increase) from new financings. These were partially offset by lower fuel costs ($21 million decrease).
• Regulatory Developments: IPL reached a partial settlement on its rate review, which includes a return of the net book value of the Lansing Generating Station but excludes a return on that value, necessitating the $60 million charge.

Guidance, Outlook, and Risks

• Regulatory Settlements: IPL's rate settlement is subject to Iowa Utilities Commission (IUC) approval, with final rates expected effective October 1, 2024. The agreement includes a retail electric base rate moratorium through September 2029.
• Environmental Compliance: The EPA's revised Coal Combustion Residuals (CCR) Rule enacted in May 2024 led to the recording of additional AROs ($355 million total for Alliant Energy). The company is evaluating the financial impact of new Section 111(d) rules regarding carbon emissions.
• Capital Projects: WPL expects construction costs for ~1,100 MW of new solar generation to exceed prior estimates by $195 million. WPL has filed for judicial review regarding the recovery of the return on these incremental costs.
• Asset Strategy: WPL announced plans to convert the coal-fired Edgewater Unit 5 to natural gas in 2028, delaying its previously planned 2025 retirement.
• Outlook: Management notes that results for the first six months are not necessarily indicative of full-year results due to seasonal variations and regulatory timing.

Investor Verification Checklist

• Lansing Generating Station Charge: Verify the final IUC decision on the rate settlement and confirm the treatment of the $60 million non-cash charge in future periods.
• ARO Liability Estimates: Monitor updates on the revised CCR Rule implementation, as the recorded $355 million ARO liability is subject to adjustment based on site-specific closure plans.
• Solar Cost Recovery: Track the outcome of WPL's judicial review regarding the recovery of the return on $195 million in incremental solar construction costs.
• Interest Rate Exposure: Review the impact of rising interest rates on the company's significant debt load ($9.7 billion carrying value) and future financing costs.
• Weather Sensitivity: Assess the impact of temperature variations on gas sales volumes, which showed a 10% decline in the first half of 2024.