<SEC-DOCUMENT>0001140361-25-011195-index.html : 20250331 <SEC-HEADER>0001140361-25-011195.hdr.sgml : 20250331 <ACCEPTANCE-DATETIME>20250331092652 ACCESSION NUMBER: 0001140361-25-011195 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 57 CONFORMED PERIOD OF REPORT: 20250512 FILED AS OF DATE: 20250331 DATE AS OF CHANGE: 20250331 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NISOURCE INC. CENTRAL INDEX KEY: 0001111711 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] ORGANIZATION NAME: 01 Energy & Transportation EIN: 352108964 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-16189 FILM NUMBER: 25789296 BUSINESS ADDRESS: STREET 1: 801 EAST 86TH AVE CITY: MERRILLVILLE STATE: IN ZIP: 46410-6272 BUSINESS PHONE: 2196475200 MAIL ADDRESS: STREET 1: 801 EAST 86TH AVE CITY: MERRILLVILLE STATE: IN ZIP: 46410-6272 FORMER COMPANY: FORMER CONFORMED NAME: NISOURCE INC/DE DATE OF NAME CHANGE: 20001103 FORMER COMPANY: FORMER CONFORMED NAME: NEW NISOURCE INC DATE OF NAME CHANGE: 20000412 </SEC-HEADER> <DOCUMENT> <TYPE>DEF 14A <SEQUENCE>1 <FILENAME>ny20036073x1_def14a.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: ny20036073x1_def14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>2 <FILENAME>ni-20240512.xsd <DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - SCHEMA <TEXT> Document 2 - file: ni-20240512.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>3 <FILENAME>ni-20240512_def.xml <DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - DEFINITION LINKBASE <TEXT> Document 3 - file: ni-20240512_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>4 <FILENAME>ni-20240512_lab.xml <DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - LABEL LINKBASE <TEXT> Document 4 - file: ni-20240512_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>5 <FILENAME>ni-20240512_pre.xml <DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - PRESENTATION LINKBASE <TEXT> Document 5 - file: ni-20240512_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>logo_nisource-footer.jpg <TEXT> Document 6 - file: logo_nisource-footer.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>logo_nisource1.jpg <TEXT> Document 7 - file: logo_nisource1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>ny20036073x1_anderson.jpg <TEXT> Document 8 - file: ny20036073x1_anderson.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>ny20036073x1_award.jpg <TEXT> Document 9 - file: ny20036073x1_award.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>ny20036073x1_birmingham.jpg <TEXT> Document 10 - file: ny20036073x1_birmingham.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>ny20036073x1_clee.jpg <TEXT> Document 11 - file: ny20036073x1_clee.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>ny20036073x1_cov.jpg <TEXT> Document 12 - file: ny20036073x1_cov.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>ny20036073x1_dhenretta.jpg <TEXT> Document 13 - file: ny20036073x1_dhenretta.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>ny20036073x1_dhersman.jpg <TEXT> Document 14 - file: ny20036073x1_dhersman.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>ny20036073x1_dotchart01.jpg <TEXT> Document 15 - file: ny20036073x1_dotchart01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>ny20036073x1_dotchart02.jpg <TEXT> Document 16 - file: ny20036073x1_dotchart02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>ny20036073x1_ebutler.jpg <TEXT> Document 17 - file: ny20036073x1_ebutler.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>ny20036073x1_graphic2.jpg <TEXT> Document 18 - file: ny20036073x1_graphic2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>ny20036073x1_graphic3.jpg <TEXT> Document 19 - file: ny20036073x1_graphic3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>ny20036073x1_graphic4.jpg <TEXT> Document 20 - file: ny20036073x1_graphic4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>ny20036073x1_graphic5.jpg <TEXT> Document 21 - file: ny20036073x1_graphic5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>ny20036073x1_graphic6.jpg <TEXT> Document 22 - file: ny20036073x1_graphic6.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>ny20036073x1_jefferson.jpg <TEXT> Document 23 - file: ny20036073x1_jefferson.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>ny20036073x1_johnmcavoy.jpg <TEXT> Document 24 - file: ny20036073x1_johnmcavoy.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>ny20036073x1_kkabat.jpg <TEXT> Document 25 - file: ny20036073x1_kkabat.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>ny20036073x1_lloydmyates.jpg <TEXT> Document 26 - file: ny20036073x1_lloydmyates.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>ny20036073x1_luhrs.jpg <TEXT> Document 27 - file: ny20036073x1_luhrs.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>ny20036073x1_mjesanis.jpg <TEXT> Document 28 - file: ny20036073x1_mjesanis.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>ny20036073x1_paltabef.jpg <TEXT> Document 29 - file: ny20036073x1_paltabef.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>ny20036073x1_pc01.jpg <TEXT> Document 30 - file: ny20036073x1_pc01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>ny20036073x1_pc02.jpg <TEXT> Document 31 - file: ny20036073x1_pc02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>ny20036073x1_piechart03.jpg <TEXT> Document 32 - file: ny20036073x1_piechart03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>ny20036073x1_pvp1.jpg <TEXT> Document 33 - file: ny20036073x1_pvp1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>ny20036073x1_pvp2.jpg <TEXT> Document 34 - file: ny20036073x1_pvp2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>ny20036073x1_pvp3.jpg <TEXT> Document 35 - file: ny20036073x1_pvp3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>ny20036073x1_quality1.jpg <TEXT> Document 36 - file: ny20036073x1_quality1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>ny20036073x1_quality2.jpg <TEXT> Document 37 - file: ny20036073x1_quality2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>ny20036073x1_quality3.jpg <TEXT> Document 38 - file: ny20036073x1_quality3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>ny20036073x1_quality4.jpg <TEXT> Document 39 - file: ny20036073x1_quality4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>ny20036073x1_rights.jpg <TEXT> Document 40 - file: ny20036073x1_rights.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>ny20036073x1_skills.jpg <TEXT> Document 41 - file: ny20036073x1_skills.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>ny20036073x1_slbarbour.jpg <TEXT> Document 42 - file: ny20036073x1_slbarbour.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>ny20036073x1_thbunting.jpg <TEXT> Document 43 - file: ny20036073x1_thbunting.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>ny20036073x1_wdjohnson.jpg <TEXT> Document 44 - file: ny20036073x1_wdjohnson.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>ny20036073x1_yates.jpg <TEXT> Document 45 - file: ny20036073x1_yates.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>sig_kimberlycuccia.jpg <TEXT> Document 46 - file: sig_kimberlycuccia.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>48 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 48 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>49 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 49 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>50 <FILENAME>R3.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 50 - file: R3.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>51 <FILENAME>R4.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 51 - file: R4.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>52 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 52 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>53 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 53 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>55 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 55 - file: FilingSummary.html
Document 55 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>57 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 57 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>58 <FILENAME>0001140361-25-011195-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 58 - file: 0001140361-25-011195-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>59 <FILENAME>ny20036073x1_def14a_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 59 - file: ny20036073x1_def14a_htm.html
Document 59 - RAW XML: ny20036073x1_def14a_htm.xml
</DOCUMENT> </SEC-DOCUMENT>