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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 M9XChsY54fetNCQwoA0dwXCrkhwDd/ie5yBLfrJG6jSGL5u5Dx54U1jLrmqkB6dY
 xeqMf+HHYpTs6U+sIZk+ug==

<SEC-DOCUMENT>0000043704-03-000036.txt : 20031202
<SEC-HEADER>0000043704-03-000036.hdr.sgml : 20031202
<ACCEPTANCE-DATETIME>20031202113730
ACCESSION NUMBER:		0000043704-03-000036
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031201
FILED AS OF DATE:		20031202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			IRVING EUCLID A
		CENTRAL INDEX KEY:			0001247223

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08291
		FILM NUMBER:		031031721

	MAIL ADDRESS:	
		STREET 1:		GREEN MOUNTAIN POWER CORP
		STREET 2:		163 ACORN LANE
		CITY:			COLCHESTER
		STATE:			VT
		ZIP:			05446

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GREEN MOUNTAIN POWER CORP
		CENTRAL INDEX KEY:			0000043704
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				030127430
		STATE OF INCORPORATION:			VT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		163 ACORN LANE
		STREET 2:		.
		CITY:			COLCHESTER
		STATE:			VT
		ZIP:			05446
		BUSINESS PHONE:		8028645731

	MAIL ADDRESS:	
		STREET 1:		163 ACORN LANE
		STREET 2:		.
		CITY:			COLCHESTER
		STATE:			VT
		ZIP:			05446
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001247223d20031202f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-01</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000043704</issuerCik><issuerName>GREEN MOUNTAIN POWER CORP</issuerName>        <issuerTradingSymbol>GMP</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001247223</rptOwnerCik><rptOwnerName>IRVING EUCLID A</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>163 ACORN LANE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>COLCHESTER</rptOwnerCity><rptOwnerState>VT</rptOwnerState><rptOwnerZipCode>05446</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><no
nDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-01</value><footnoteId id="F1"/></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>1100</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2080.6624</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransact
ion></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>7.9</value></conversionOrExercisePrice><exerciseDate><value>2000-08-22</value></exerciseDate><expirationDate><value>2010-08-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>18.33</value></conversionOrExercisePrice><exerciseDate><value>2002-02-
01</value></exerciseDate><expirationDate><value>2012-02-01</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2000</value><footnoteId id="F3"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Shares represent deferred stock units that will be payable on a one-for-one basis in shares of common stock at distribution</footnote><footnote id="F2">Includes 25.8406 shares acquired between January 1, 2003 and December 1, 2003 under the GMP dividend reinvestment plan.  The information in this report is based on a plan statement as of December 1, 2003.</footnote
><footnote id="F3">The 2000 options issued on 2/1/02 vest as follows:  1,000 on 2/1/03 and 1,000 on 2/1/04</footnote></footnotes><ownerSignature><signatureName>Donald J. Rendall, Jr., Attorney-In-Fact</signatureName><signatureDate>2003-12-02</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
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</SEC-DOCUMENT>
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