{"schema_version":"secwatch.filing_event.v1","accession":"0000352541-26-000030","form_type":"8-K","ticker":null,"cik":"0000107832","company_name":"WISCONSIN POWER & LIGHT CO","filed_at":"2026-05-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:31.919211+00:00","generated_at":"2026-05-15T00:13:17.284832+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Alliant Energy Q1 GAAP EPS $0.87 vs $0.83; reaffirms FY guidance; signs 370 MW data center deal","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0000352541-26-000030","json":"https://secwatch.observer/filing/0000352541-26-000030.json","markdown":"https://secwatch.observer/filing/0000352541-26-000030.md","text":"https://secwatch.observer/filing/0000352541-26-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/107832/000035254126000030/0000352541-26-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/52485/000035254126000030/lnt-20260430.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T00:13:17.284832+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"609dca5a0327a74bb7c95b3b94b19113ee5696ef","claim":"WISCONSIN POWER & LIGHT CO updated its three months ended March 31, 2026 guidance (reaffirmed).","evidence_excerpt":"On April 30, 2026, Alliant Energy Corporation issued a press release announcing its financial results for the three months ended March 31, 2026.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/107832/000035254126000030/0000352541-26-000030-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"three months ended March 31, 2026"},{"label":"Guidance","value":"reaffirmed"},{"label":"Result","value":"reported results"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}