# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001111711-25-000020
Filing Date
2025-05-07
Accepted
2025-05-07 06:38:08
Documents
90
Period of Report
2025-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | nix-20250331.htm iXBRL | 10-Q | 1825088
2 | EX-31.1 | ni-ex311x20250331.htm | EX-31.1 | 11659
3 | EX-31.2 | ni-ex312x20250331.htm | EX-31.2 | 10995
4 | EX-32.1 | ni-ex321x20250331.htm | EX-32.1 | 4814
5 | EX-32.2 | ni-ex322x20250331.htm | EX-32.2 | 5062
| Complete submission text file | 0001111711-25-000020.txt |  | 9585731

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | nix-20250331.xsd | EX-101.SCH | 67157
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | nix-20250331_cal.xml | EX-101.CAL | 80478
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | nix-20250331_def.xml | EX-101.DEF | 475129
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | nix-20250331_lab.xml | EX-101.LAB | 799467
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | nix-20250331_pre.xml | EX-101.PRE | 633254
93 | EXTRACTED XBRL INSTANCE DOCUMENT | nix-20250331_htm.xml | XML | 1361536

Mailing Address 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272
Business Address 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272 2196475200
NISOURCE INC. (Filer) CIK: 0001111711 (see all company filings)

EIN.: 352108964 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-16189 | Film No.: 25919168
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)