<SEC-DOCUMENT>0000950157-15-000355-index.html : 20150331
<SEC-HEADER>0000950157-15-000355.hdr.sgml : 20150331
<ACCEPTANCE-DATETIME>20150331144547
ACCESSION NUMBER:		0000950157-15-000355
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20150331
DATE AS OF CHANGE:		20150331

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTEGRYS ENERGY GROUP, INC.
		CENTRAL INDEX KEY:			0000916863
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				391775292
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11337
		FILM NUMBER:		15738553

	BUSINESS ADDRESS:	
		STREET 1:		130 EAST RANDOLPH DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		800-699-1269

	MAIL ADDRESS:	
		STREET 1:		130 EAST RANDOLPH DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Integrys Energy Group, Inc.
		DATE OF NAME CHANGE:	20070222

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WPS RESOURCES CORP
		DATE OF NAME CHANGE:	19940103

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTEGRYS ENERGY GROUP, INC.
		CENTRAL INDEX KEY:			0000916863
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				391775292
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		130 EAST RANDOLPH DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		800-699-1269

	MAIL ADDRESS:	
		STREET 1:		130 EAST RANDOLPH DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Integrys Energy Group, Inc.
		DATE OF NAME CHANGE:	20070222

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WPS RESOURCES CORP
		DATE OF NAME CHANGE:	19940103
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>form425.htm
<DESCRIPTION>TRANSACTION UPDATE
<TEXT>
Document 1 - file: form425.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>bullet.jpg
<TEXT>
Document 2 - file: bullet.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>p1a.jpg
<TEXT>
Document 3 - file: p1a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>p1b.jpg
<TEXT>
Document 4 - file: p1b.jpg

</DOCUMENT>
</SEC-DOCUMENT>