NISOURCE INC.
Electric & Other Services Combined | SIC: 4931Phone: 2196475200
EIN: 352108964
State Location: IN
State of Inc.: DE
- NYSE:NI
Form: 10-Q
Filing Date: 06 May 2026Report Date: 31 Mar 2026
Accepted: 06 May 2026 04:42 a.m.
Accession Number: 0001111711-26-000045
File Number: 001-16189
Film Number: 26945707
Documents
Primary Document: 10-Q
Accepted: 06 May 2026 04:42 a.m.
0001111711-26-000045-index-headers.html
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0001111711-26-000045-index.html
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0001111711-26-000045.txt
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0001111711-26-000045-xbrl.zip
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FilingSummary.xml
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MetaLinks.json
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ni-ex311x20260331.htm
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ni-ex312x20260331.htm
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ni-ex321x20260331.htm
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ni-ex322x20260331.htm
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nix-20260331.xsd
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nix-20260331_cal.xml
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nix-20260331_def.xml
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nix-20260331_htm.xml
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nix-20260331_lab.xml
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nix-20260331_pre.xml
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R1.htm
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R16.htm
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