secwatch.observer — SEC 8-K summary ====================================== Issuer: WISCONSIN POWER & LIGHT CO (—) CIK: 0000107832 Form: 8-K Filed at: 2026-05-01T23:59:59+00:00 Accession: 0000352541-26-000030 Event type: earnings Sentiment: positive Materiality: 0.70 Item codes: 2.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Alliant Energy Q1 GAAP EPS $0.87 vs $0.83; reaffirms FY guidance; signs 370 MW data center deal -------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/107832/000035254126000030/0000352541-26-000030-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/52485/000035254126000030/lnt-20260430.htm HTML page: https://secwatch.observer/filing/0000352541-26-000030 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer