Alliant Energy — Third Quarter 2026 Earnings Summary

Alliant Energy reported third-quarter 2026 GAAP earnings per share of $1.52, an increase from $1.09 in the same period of 2025. The company narrowed its 2026 ongoing earnings guidance to a range of $3.41 to $3.46 per share and established a 2027 guidance range of $3.63 to $3.73 per share. To support a projected 60% peak demand increase by 2031 driven largely by data center growth, Alliant Energy raised its four-year capital expenditure forecast to $15.9 billion. Additionally, the company extended its retail electric base rate stability plan for Iowa customers through 2030 and increased its 2027 annual common stock dividend target to $2.25 per share.