<SEC-DOCUMENT>0001562180-21-003435.txt : 20210512
<SEC-HEADER>0001562180-21-003435.hdr.sgml : 20210512
<ACCEPTANCE-DATETIME>20210512174504
ACCESSION NUMBER:		0001562180-21-003435
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210511
FILED AS OF DATE:		20210512
DATE AS OF CHANGE:		20210512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gutierrez Sidney M.
		CENTRAL INDEX KEY:			0001638692

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32462
		FILM NUMBER:		21916431

	MAIL ADDRESS:	
		STREET 1:		414 SILVER AVE SW, MS 1275
		CITY:			ALBUQUERQUE
		STATE:			NM
		ZIP:			87102-3289

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PNM RESOURCES INC
		CENTRAL INDEX KEY:			0001108426
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				850019030
		STATE OF INCORPORATION:			NM
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		414 SILVER AVE. SW
		CITY:			ALBUQUERQUE
		STATE:			NM
		ZIP:			87102-3289
		BUSINESS PHONE:		5052412700

	MAIL ADDRESS:	
		STREET 1:		414 SILVER AVE. SW
		STREET 2:		ATTN: MS 0905 - CATHY MARTINEZ
		CITY:			ALBUQUERQUE
		STATE:			NM
		ZIP:			87102-3289

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MANZANO CORP
		DATE OF NAME CHANGE:	20000303
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-05-11</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001108426</issuerCik>
        <issuerName>PNM RESOURCES INC</issuerName>
        <issuerTradingSymbol>PNM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001638692</rptOwnerCik>
            <rptOwnerName>Gutierrez Sidney M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>324 SARAH LANE NW</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ALBUQUERQUE</rptOwnerCity>
            <rptOwnerState>NM</rptOwnerState>
            <rptOwnerZipCode>87114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2430.00</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17690.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These shares represent restricted stock units granted on May 11, 2021 that will vest on May 11, 2022 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Rights Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Angela L. Pino, POA for Sidney M. Gutierrez</signatureName>
        <signatureDate>2021-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>gutierrezpoa.txt
<DESCRIPTION>GUTIERREZ POA
<TEXT>
		Power of Attorney

I, Sidney M. Gutierrez, reside at 324 Sarah Lane NW, Albuquerque, New Mexico,
87114. I appoint Laurie S. Monfiletto, Vice President,
Human Resources, Corporate Headquarters, MS-0705, Albuquerque,
New Mexico 87158; Angela Pino, Manager, Compensation, Corporate
Headquarters, MS-0755, Albuquerque, New Mexico 87158;
or Donna Briggs, Administrator III, Corporate Headquarters, MS-0705,
Albuquerque, New Mexico 87158 to serve as my attorneys-in-fact to:

	(1)	execute for me in my capacity as a Director of
	PNM Resources, Inc. (Company), Forms 3, 4, and 5 in accordance
	with Section 16(a) of the Securities Exchange Act of 1934
	(1934 Act) and the associated rules;

	(2)	perform for me all acts which may be necessary
	or desirable to complete and execute Forms 3, 4, and 5,
	complete and execute any amendments, and timely file the
	forms with the United States Securities and Exchange Commission
	and the New York Stock Exchange, or similar authority; or

	(3)	take any other action related to the powers identified
	in items (1) and (2), which, in the opinion of the attorneys-in-fact,
	may be legally required or beneficial to me.

	I acknowledge that the attorneys-in-fact are serving at my request
and neither they nor the Company are assuming any of my responsibilities to
comply with Section 16 of the 1934 Act. This Power of Attorney shall remain
in full force and effect until I am no longer required to file Forms 3, 4,
and 5 with respect to my holdings of and transactions in securities issued
by the Company, unless earlier revoked by me in a signed writing delivered
to the attorneys-in-fact.


				/s/ Sidney M. Gutierrez
				Sidney M. Gutierrez

			ACKNOWLEDGEMENT

State of New Mexico		)
				) ss.
County of Bernalillo		)

	The foregoing instrument was acknowledged before me on February 24,
2016 by Sidney M. Gutierrez.

				/s/Susan G. Gordon
				Notary Public

				My Commission Expires: September 12, 2016
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
