# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001111711-24-000011
Filing Date
2024-02-21
Accepted
2024-02-21 07:09:51
Documents
156
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | nix-20231231.htm iXBRL | 10-K | 4302019
2 | EX-4.25 | ni-ex425x20231231.htm | EX-4.25 | 54856
3 | EX-10.24 | ni-ex1024x20231231.htm | EX-10.24 | 10787
4 | EX-10.44 | ni-ex1044x20231231.htm | EX-10.44 | 773363
5 | EX-10.48 | ni-ex1048x20231231.htm | EX-10.48 | 65349
6 | EX-21 | ni-ex21x20231231.htm | EX-21 | 19499
7 | EX-23 | ni-ex23x20231231.htm | EX-23 | 2423
8 | EX-31.1 | ni-ex311x20231231.htm | EX-31.1 | 11641
9 | EX-31.2 | ni-ex312x20231231.htm | EX-31.2 | 10981
10 | EX-32.1 | ni-ex321x20231231.htm | EX-32.1 | 4821
11 | EX-32.2 | ni-ex322x20231231.htm | EX-32.2 | 5069
12 | EX-97.1 | ni-ex971x20231231.htm | EX-97.1 | 22798
18 |  | nix-20231231_g1.jpg | GRAPHIC | 127697
| Complete submission text file | 0001111711-24-000011.txt |  | 23978098

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
13 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | nix-20231231.xsd | EX-101.SCH | 165761
14 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | nix-20231231_cal.xml | EX-101.CAL | 160222
15 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | nix-20231231_def.xml | EX-101.DEF | 1059465
16 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | nix-20231231_lab.xml | EX-101.LAB | 1645980
17 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | nix-20231231_pre.xml | EX-101.PRE | 1234202
158 | EXTRACTED XBRL INSTANCE DOCUMENT | nix-20231231_htm.xml | XML | 4283665

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-K | Act: 34 | File No.: 001-16189 | Film No.: 24656371
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)