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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001844971</identifier>
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            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
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    <context id="From2024-01-012024-12-31">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001844971</identifier>
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        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
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    <dei:AmendmentFlag contextRef="From2025-01-01to2025-12-31" id="Fact000003">false</dei:AmendmentFlag>
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    <dei:DocumentType contextRef="From2025-01-01to2025-12-31" id="xdx2ixbrl0010">DEF 14A</dei:DocumentType>
    <dei:EntityRegistrantName contextRef="From2025-01-01to2025-12-31" id="Fact000011">Greenidge Generation Holdings Inc.</dei:EntityRegistrantName>
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    <ecd:AwardTmgMnpiDiscTextBlock contextRef="From2025-01-01to2025-12-31" id="Fact000014">In response to Item 402(x)(1) of Regulation S-K,
we have not granted new awards of stock options, stock appreciation rights, or similar option-like instruments within four business days
before or one business day after the release of a Quarterly Report on Form 10-Q, Annual Report on Form 10-K, or Current Report on Form
8-K that discloses material nonpublic information.</ecd:AwardTmgMnpiDiscTextBlock>
    <ecd:AwardTmgHowMnpiCnsdrdTextBlock contextRef="From2025-01-01to2025-12-31" id="Fact000015">Accordingly, &lt;span class="xdx_phnt_RGlzY2xvc3VyZSAtIEF3YXJkIFRpbWluZyBEaXNjbG9zdXJlAA__" id="xdx_90D_eecd--AwardTmgMnpiCnsdrdFlag_dbT_c20240101__20241231_zQXZesH0hQyi"&gt;we have no specific policy or practice
on the timing of awards of such options in relation to the disclosure of material nonpublic information by us&lt;/span&gt;. In the event that we determine
to grant new awards of such options, the Board will evaluate the appropriate steps to take in relation to the foregoing.&lt;span style="font-size: 10pt"&gt;&#160;&lt;/span&gt;</ecd:AwardTmgHowMnpiCnsdrdTextBlock>
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