-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FPBBfqbqodb5HTRLIUl4CYo2Q7nHlonm1Tch2K262prH1N4huu28SmIQzQR+Uqvr
 8VkeE5AKeDLF11OF9VDwZw==

<SEC-DOCUMENT>0001337649-09-000001.txt : 20090304
<SEC-HEADER>0001337649-09-000001.hdr.sgml : 20090304
<ACCEPTANCE-DATETIME>20090304095008
ACCESSION NUMBER:		0001337649-09-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090213
FILED AS OF DATE:		20090304
DATE AS OF CHANGE:		20090304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CROXTON BENJAMIN C
		CENTRAL INDEX KEY:			0001337649

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25097
		FILM NUMBER:		09654006

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		727-822-6153

	MAIL ADDRESS:	
		STREET 1:		920 16TH AVENUE NORTH
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33704

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WORLD ENERGY SOLUTIONS, INC.
		CENTRAL INDEX KEY:			0001058307
		STANDARD INDUSTRIAL CLASSIFICATION:	POWER, DISTRIBUTION & SPECIALTY TRANSFORMERS [3612]
		IRS NUMBER:				650783722
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3900A 31ST STREET NORTH
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33714
		BUSINESS PHONE:		7275255552

	MAIL ADDRESS:	
		STREET 1:		3900A 31ST STREET NORTH
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33714

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANCED 3-D ULTRASOUND SERVICES INC
		DATE OF NAME CHANGE:	20050809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	YSEEK INC
		DATE OF NAME CHANGE:	20010413

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SWIFTY CARWASH & QUIK LUBE INC
		DATE OF NAME CHANGE:	19981117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-02-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001058307</issuerCik>
        <issuerName>WORLD ENERGY SOLUTIONS, INC.</issuerName>
        <issuerTradingSymbol>WEGY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001337649</rptOwnerCik>
            <rptOwnerName>CROXTON BENJAMIN C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>920 16TH AVENUE NORTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST PETERSBURG</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33704</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Preferred</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-13</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2009-02-24</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8256.5</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1500000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>30000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.047</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4654000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Benjamin C. Croxton</signatureName>
        <signatureDate>2009-03-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----