<SEC-DOCUMENT>0001193125-15-174762-index.html : 20150506
<SEC-HEADER>0001193125-15-174762.hdr.sgml : 20150506
<ACCEPTANCE-DATETIME>20150506165949
ACCESSION NUMBER:		0001193125-15-174762
CONFORMED SUBMISSION TYPE:	424B2
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150506
DATE AS OF CHANGE:		20150506

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PUBLIC SERVICE CO OF COLORADO
		CENTRAL INDEX KEY:			0000081018
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				840296600
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B2
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-203664-04
		FILM NUMBER:		15838009

	BUSINESS ADDRESS:	
		STREET 1:		1225 17TH ST STE 900
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		3035717511

	MAIL ADDRESS:	
		STREET 1:		P O BOX 840 STE 300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80201
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B2
<SEQUENCE>1
<FILENAME>d919993d424b2.htm
<DESCRIPTION>DEFINITIVE PROSPECTUS SUPPLEMENT
<TEXT>
Document 1 - file: d919993d424b2.htm

</DOCUMENT>
</SEC-DOCUMENT>