NISOURCE INC.
Electric & Other Services Combined | SIC: 4931Phone: 2196475200
EIN: 352108964
State Location: IN
State of Inc.: DE
- NYSE:NI
Form: 11-K
Filing Date: 18 Jun 2026Report Date: 31 Dec 2025
Accepted: 18 Jun 2026 02:43 p.m.
Accession Number: 0001111711-26-000077
File Number: 001-16189
Film Number: 261103414
Documents
Primary Document: 11-K
Accepted: 18 Jun 2026 02:43 p.m.
0001111711-26-000077-index-headers.html
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0001111711-26-000077-index.html
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0001111711-26-000077.txt
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0001111711-26-000077-xbrl.zip
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exhibit231-rsp2025.htm
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FilingSummary.xml
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MetaLinks.json
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nix-20260618.xsd
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nix-20260618_cal.xml
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nix-20260618_def.xml
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nix-20260618_htm.xml
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nix-20260618_lab.xml
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nix-20260618_pre.xml
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R18.htm
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R19.htm
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