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Annual Report · 10-K

INTERSTATE POWER & LIGHT CO

Annual Report

Filed Feb 20, 2026Accepted Feb 20, 2026, 9:58 AM ESTCIK 52485Accession 0000352541-26-000007
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Recent company filings

  1. 424B5 filingAug 20, 2026
  2. FWP filingAug 18, 2026
  3. 424B5 filingAug 18, 2026
  4. 10-Q filingJul 31, 2026
  5. 10-Q filingMay 1, 2026

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