-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 dG67anlyMhAddY0loxtb6Q==

<SEC-DOCUMENT>0001144204-10-043476.txt : 20100813
<SEC-HEADER>0001144204-10-043476.hdr.sgml : 20100813
<ACCEPTANCE-DATETIME>20100813120914
ACCESSION NUMBER:		0001144204-10-043476
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100813
DATE AS OF CHANGE:		20100813
EFFECTIVENESS DATE:		20100813

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			THERMOENERGY CORP
		CENTRAL INDEX KEY:			0000884504
		STANDARD INDUSTRIAL CLASSIFICATION:	HAZARDOUS WASTE MANAGEMENT [4955]
		IRS NUMBER:				710699511
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-88450-4F
		FILM NUMBER:		101013932

	BUSINESS ADDRESS:	
		STREET 1:		124 WEST CAPITOL  AVENUE
		STREET 2:		SUITE 880
		CITY:			LITTLE ROCK
		STATE:			AR
		ZIP:			72201
		BUSINESS PHONE:		5013766477

	MAIL ADDRESS:	
		STREET 1:		124 WEST CAPITOL  AVENUE
		STREET 2:		SUITE 880
		CITY:			LITTLE ROCK
		STATE:			AR
		ZIP:			72201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INNOTEK CORPORATION
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0000884504</cik>
        <entityName>THERMOENERGY CORP</entityName>
        <issuerAddress>
            <street1>124 WEST CAPITOL AVENUE</street1>
            <street2>SUITE 880</street2>
            <city>LITTLE ROCK</city>
            <stateOrCountry>AR</stateOrCountry>
            <stateOrCountryDescription>ARKANSAS</stateOrCountryDescription>
            <zipCode>72201</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>5013766477</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>INNOTEK CORPORATION</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Cary</firstName>
                <middleName>G.</middleName>
                <lastName>Bullock</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>10 New Bond Street</street1>
                <city>Worcester</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>01606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Dennis</firstName>
                <middleName>C.</middleName>
                <lastName>Cossey</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>124 West Capitol Avenue</street1>
                <street2>Suite 880</street2>
                <city>Little Rock</city>
                <stateOrCountry>AR</stateOrCountry>
                <stateOrCountryDescription>ARKANSAS</stateOrCountryDescription>
                <zipCode>72201</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Teodor</firstName>
                <lastName>Klowan, Jr.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>10 New Bond Street</street1>
                <city>Worcester</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>01606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <lastName>Delasanta</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>10 New Bond Street</street1>
                <city>Worcester</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>01606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <lastName>Anthony</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2105 Natalie Lane</street1>
                <city>Birmingham</city>
                <stateOrCountry>AL</stateOrCountry>
                <stateOrCountryDescription>ALABAMA</stateOrCountryDescription>
                <zipCode>35244</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Shawn</firstName>
                <middleName>R.</middleName>
                <lastName>Hughes</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>717 South Edison Avenue</street1>
                <city>Tampa</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>33606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>J.</firstName>
                <middleName>Winder</middleName>
                <lastName>Hughes III</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>24 La Vista Drive</street1>
                <city>Ponte Verde</city>
                <stateOrCountry>FL</stateOrCountry>
                <stateOrCountryDescription>FLORIDA</stateOrCountryDescription>
                <zipCode>32082</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Arthur</firstName>
                <middleName>S.</middleName>
                <lastName>Reynolds</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>230 Park Avenue</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10169</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001144204-09-063123</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-11-19</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>More than five Associated Persons</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>McNamee Lawrence Securities, LLC</associatedBDName>
                <associatedBDCRDNumber>46941</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>420 Boylston Street</street1>
                    <street2>Fourth Floor</street2>
                    <city>Boston</city>
                    <stateOrCountry>MA</stateOrCountry>
                    <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                    <zipCode>02116</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>20280000</totalOfferingAmount>
            <totalAmountSold>13980005</totalAmountSold>
            <totalRemaining>6299995</totalRemaining>
            <clarificationOfResponse>Amount sold includes $5,680,000 of Debt Conversion.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>13</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>300000</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Placement Agent was also granted a warrant to purchase 41,667 shares of Series B Preferred Stock at $0.01 per Share.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>THERMOENERGY CORP</issuerName>
                <signatureName>/s/ Teodor Klowan, Jr.</signatureName>
                <nameOfSigner>Teodor Klowan, Jr.</nameOfSigner>
                <signatureTitle>Executive Vice President &amp; CFO</signatureTitle>
                <signatureDate>2010-08-13</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----