ALLIANT ENERGY CORP
Electric & Other Services Combined | SIC: 4931Phone: 608-458-3311
EIN: 391380265
State Location: WI
State of Inc.: WI
- Nasdaq:LNT
Form: 10-K
Filing Date: 20 Feb 2026Report Date: 31 Dec 2025
Accepted: 20 Feb 2026 12:58 p.m.
Accession Number: 0000352541-26-000007
File Number: 001-09894
Film Number: 26658899
Documents
Primary Document: 10-K
Accepted: 20 Feb 2026 12:58 p.m.
0000352541-26-000007-index-headers.html
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0000352541-26-000007-index.html
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0000352541-26-000007.txt
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0000352541-26-000007-xbrl.zip
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FilingSummary.xml
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lnt-20251231.xsd
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lnt-20251231_cal.xml
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lnt-20251231_def.xml
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lnt-20251231_g1.jpg
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lnt-20251231_g2.jpg
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lnt-20251231_g3.jpg
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lnt-20251231_g4.jpg
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lnt-20251231_g5.jpg
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lnt-20251231_htm.xml
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lnt-20251231_lab.xml
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lnt-20251231_pre.xml
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lnt1231202510-kex1012.htm
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lnt1231202510-kex211.htm
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lnt1231202510-kex231.htm
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lnt1231202510-kex232.htm
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lnt1231202510-kex233.htm
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lnt1231202510-kex311.htm
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lnt1231202510-kex312.htm
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lnt1231202510-kex313.htm
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