Alliant Energy Q1 GAAP EPS $0.87 vs $0.83; reaffirms FY guidance; signs 370 MW data center deal

WISCONSIN POWER & LIGHT CO

Q1 GAAP EPS $0.87 ($0.82 ongoing) vs $0.83/$0.83 in Q1 2025.
Reaffirmed FY 2026 ongoing EPS guidance $3.36-$3.46; targeting over 6% CAGR.
Signed ~370 MW data center service agreement in Iowa; total contracted data center demand ~3.4 GW.
Non-GAAP ongoing EPS excludes $0.05/share deferred tax remeasurement benefit.
Higher revenue requirements from rate base investments at IPL/WPL drove earnings; offset by higher financing and O&M costs.

item 2.02 item 9.01

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Earnings Releases SEC 8-K Item 2.02 confidence 0.95

WISCONSIN POWER & LIGHT CO updated its three months ended March 31, 2026 guidance (reaffirmed).

Period: three months ended March 31, 2026
Guidance: reaffirmed
Result: reported results

Exact text from the filing

On April 30, 2026, Alliant Energy Corporation issued a press release announcing its financial results for the three months ended March 31, 2026.

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Source: SEC EDGAR

accession 0000352541-26-000030

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