<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-12-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001828723</issuerCik>
        <issuerName>Altus Power, Inc.</issuerName>
        <issuerTradingSymbol>AMPS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001594796</rptOwnerCik>
            <rptOwnerName>Detrick Christine Rose</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ALTUS POWER, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2200 ATLANTIC STREET, 6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>STAMFORD</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06902</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-12-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Received pursuant to a private placement concurrent with the Business Combination Agreement, dated as of July 12, 2021 (as amended, the &quot;Merger Agreement&quot;), by and among Altus Power, Inc. (f/k/a CBRE Acquisition Holdings, Inc.) (the &quot;Issuer&quot;), CBAH Merger Sub I, Inc. (&quot;First Merger Sub&quot;), CBAH Merger Sub II, LLC (&quot;Second Merger Sub&quot;), Altus Power America Holdings, LLC, APAM Holdings LLC and Altus Power, Inc. (the &quot;Company&quot;), pursuant to which First Merger Sub merged with and into the Company with the Company continuing as the surviving corporation (the &quot;First Merger&quot;), and immediately thereafter the Company merged with and into Second Merger Sub, with Second Merger Sub continuing as the surviving entity and as a wholly owned subsidiary of the Issuer (the &quot;Second Merger&quot; and together with the First Merger and the other transactions contemplated by the Business Combination Agreement, the &quot;Business Combination&quot;).</footnote>
        <footnote id="F2">(Continued from Footnote 1) As a result, the Company became a wholly-owned subsidiary of the Issuer, with the stockholders of the Company becoming stockholders of the Issuer.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: /s/ Sophia Lee, Attorney-in-Fact</signatureName>
        <signatureDate>2021-12-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
