    <SEC-DOCUMENT>0001140361-20-008647-index.html : 20200413
    <SEC-HEADER>0001140361-20-008647.hdr.sgml : 20200413
    <ACCEPTANCE-DATETIME>20200413060239
    ACCESSION NUMBER:		0001140361-20-008647
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20200519
    FILED AS OF DATE:		20200413
    DATE AS OF CHANGE:		20200413
    EFFECTIVENESS DATE:		20200413

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NISOURCE INC.
    		CENTRAL INDEX KEY:			0001111711
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
    		IRS NUMBER:				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:		20787732

    	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>nc10009033x1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: nc10009033x1_def14a.htm

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    <SEQUENCE>2
    <FILENAME>logo_nisource1.jpg
    <TEXT>
    Document 2 - file: logo_nisource1.jpg

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    <SEQUENCE>3
    <FILENAME>nc10009033x1_acandris.jpg
    <TEXT>
    Document 3 - file: nc10009033x1_acandris.jpg

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    <SEQUENCE>4
    <FILENAME>nc10009033x1_barchart1.jpg
    <TEXT>
    Document 4 - file: nc10009033x1_barchart1.jpg

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    <FILENAME>nc10009033x1_barchart2.jpg
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    Document 5 - file: nc10009033x1_barchart2.jpg

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    <FILENAME>nc10009033x1_cwoo.jpg
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    <SEQUENCE>7
    <FILENAME>nc10009033x1_dhenretta.jpg
    <TEXT>
    Document 7 - file: nc10009033x1_dhenretta.jpg

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    <FILENAME>nc10009033x1_dhersman.jpg
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    Document 8 - file: nc10009033x1_dhersman.jpg

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    <FILENAME>nc10009033x1_ebutler.jpg
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    <FILENAME>nc10009033x1_elements.jpg
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    <FILENAME>nc10009033x1_jhamrock.jpg
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    <FILENAME>nc10009033x1_kkabat.jpg
    <TEXT>
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    <FILENAME>nc10009033x1_lloydmyates.jpg
    <TEXT>
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    <FILENAME>nc10009033x1_mjesanis.jpg
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    Document 14 - file: nc10009033x1_mjesanis.jpg

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    Document 15 - file: nc10009033x1_paltabef.jpg

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    <FILENAME>nc10009033x1_pc01.jpg
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    Document 16 - file: nc10009033x1_pc01.jpg

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    <FILENAME>nc10009033x1_pc02.jpg
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    Document 17 - file: nc10009033x1_pc02.jpg

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    <FILENAME>nc10009033x1_sig.jpg
    <TEXT>
    Document 18 - file: nc10009033x1_sig.jpg

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    <FILENAME>nc10009033x1_table1.jpg
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    Document 19 - file: nc10009033x1_table1.jpg

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    <FILENAME>nc10009033x1_thbunting.jpg
    <TEXT>
    Document 20 - file: nc10009033x1_thbunting.jpg

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    <FILENAME>nc10009033x1_wdeveydt.jpg
    <TEXT>
    Document 21 - file: nc10009033x1_wdeveydt.jpg

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