Key takeaways:
- First quarter GAAP earnings per share were $0.87 in 2026, compared to $0.83 in 2025.
- First quarter ongoing earnings per share were $0.82 in 2026, compared to $0.83 in 2025.
- Reaffirming 2026 ongoing earnings guidance range of $3.36 - $3.46 per share.
- Signed an approximately 370 MW electric service agreement in Iowa, total contracted data center demand is now approximately 3.4 GW.
“We are off to a strong start in 2026, delivering approximately 25% of our ongoing earnings guidance midpoint, and reaffirming our full-year ongoing EPS outlook,” said Lisa Barton, Alliant Energy President and CEO. “Our results reflect disciplined execution and continued momentum in data center growth, including the signing of a new electric service agreement in Iowa for approximately 370 megawatts of contracted demand. With five executed agreements, we are translating customer demand into well-structured, long-term growth that benefits investors, existing customers and communities.”
See the full news release on our investor website.
About Alliant Energy
Alliant Energy Corporation (NASDAQ: LNT) provides regulated energy service to more than 1 million electric and 435,000 natural gas customers across Iowa and Wisconsin. Alliant Energy's mission is to deliver energy solutions and exceptional service customers and communities count on – safely, efficiently and responsibly. Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) are Alliant Energy's two wholly-owned subsidiaries. For more information, visit alliantenergy.com and follow Alliant Energy on LinkedIn, Facebook, Instagram and X.