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        <curCd>USD</curCd>
        <valUSD>103365337.75000000</valUSD>
        <pctVal>3.964643154463</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Veolia Environnement SA</name>
        <lei>969500LENY69X51OOT31</lei>
        <title>Veolia Environnement SA</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="FR0000124141"/>
        </identifiers>
        <balance>363925.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt="0.84363268"/>
        <valUSD>13644501.92000000</valUSD>
        <pctVal>0.523343533825</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>FR</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Ameren Corp.</name>
        <lei>XRZQ5S7HYJFPHJ78L959</lei>
        <title>Ameren Corp.</title>
        <cusip>023608102</cusip>
        <identifiers>
          <isin value="US0236081024"/>
        </identifiers>
        <balance>950410.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>98158344.80000000</valUSD>
        <pctVal>3.764925634026</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Spire, Inc.</name>
        <lei>549300NXSY15DRY2R511</lei>
        <title>Spire, Inc.</title>
        <cusip>84857L101</cusip>
        <identifiers>
          <isin value="US84857L1017"/>
        </identifiers>
        <balance>79394.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6707999.06000000</valUSD>
        <pctVal>0.257289562751</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>Forward Foreign Currency Contract</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Inhouse Asset ID" value="50119304"/>
        </identifiers>
        <balance>1.00000000</balance>
        <units>NC</units>
        <curCd>N/A</curCd>
        <valUSD>-2258758.03000000</valUSD>
        <pctVal>-0.08663609829</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DFE</assetCat>
        <issuerConditional desc="Forward Foreign Currency Contract" issuerCat="OTHER"/>
        <invCountry>N/A</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <fwdDeriv derivCat="FWD">
            <counterparties>
              <counterpartyName>HSBC Bank</counterpartyName>
              <counterpartyLei>MP6I5ZYZBEU3UXPYFY54</counterpartyLei>
            </counterparties>
            <amtCurSold>114358621.93000000</amtCurSold>
            <curSold>EUR</curSold>
            <amtCurPur>133772713.38000000</amtCurPur>
            <curPur>USD</curPur>
            <settlementDt>2026-04-17</settlementDt>
            <unrealizedAppr>-2258758.03000000</unrealizedAppr>
          </fwdDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>Forward Foreign Currency Contract</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Inhouse Asset ID" value="50119149"/>
        </identifiers>
        <balance>1.00000000</balance>
        <units>NC</units>
        <curCd>N/A</curCd>
        <valUSD>3046.43000000</valUSD>
        <pctVal>0.000116847756</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DFE</assetCat>
        <issuerConditional desc="Forward Foreign Currency Contract" issuerCat="OTHER"/>
        <invCountry>N/A</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <fwdDeriv derivCat="FWD">
            <counterparties>
              <counterpartyName>State Street Bank and Trust</counterpartyName>
              <counterpartyLei>571474TGEMMWANRLN572</counterpartyLei>
            </counterparties>
            <amtCurSold>163407.23000000</amtCurSold>
            <curSold>USD</curSold>
            <amtCurPur>121658.47000000</amtCurPur>
            <curPur>GBP</curPur>
            <settlementDt>2026-04-17</settlementDt>
            <unrealizedAppr>3046.43000000</unrealizedAppr>
          </fwdDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Pinnacle West Capital Corp.</name>
        <lei>TWSEY0NEDUDCKS27AH81</lei>
        <title>Pinnacle West Capital Corp.</title>
        <cusip>723484101</cusip>
        <identifiers>
          <isin value="US7234841010"/>
        </identifiers>
        <balance>649551.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>60771991.56000000</valUSD>
        <pctVal>2.330948319485</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Alliant Energy Corp.</name>
        <lei>5493009ML300G373MZ12</lei>
        <title>Alliant Energy Corp.</title>
        <cusip>018802108</cusip>
        <identifiers>
          <isin value="US0188021085"/>
        </identifiers>
        <balance>1058345.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69755518.95000000</valUSD>
        <pctVal>2.675517216032</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>WEC Energy Group, Inc.</name>
        <lei>549300IGLYTZUK3PVP70</lei>
        <title>WEC Energy Group, Inc.</title>
        <cusip>92939U106</cusip>
        <identifiers>
          <isin value="US92939U1060"/>
        </identifiers>
        <balance>250233.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>27693286.11000000</valUSD>
        <pctVal>1.062193570790</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Sempra</name>
        <lei>PBBKGKLRK5S5C0Y4T545</lei>
        <title>Sempra</title>
        <cusip>816851109</cusip>
        <identifiers>
          <isin value="US8168511090"/>
        </identifiers>
        <balance>1444948.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>125724925.48000000</valUSD>
        <pctVal>4.822259337605</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Duke Energy Corp.</name>
        <lei>I1BZKREC126H0VB1BL91</lei>
        <title>Duke Energy Corp.</title>
        <cusip>26441C204</cusip>
        <identifiers>
          <isin value="US26441C2044"/>
        </identifiers>
        <balance>102038.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12382311.30000000</valUSD>
        <pctVal>0.474931411250</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Portland General Electric Co.</name>
        <lei>GJOUP9M7C39GLSK9R870</lei>
        <title>Portland General Electric Co.</title>
        <cusip>736508847</cusip>
        <identifiers>
          <isin value="US7365088472"/>
        </identifiers>
        <balance>834116.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>41914329.00000000</valUSD>
        <pctVal>1.607650699557</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Dominion Energy, Inc.</name>
        <lei>ILUL7B6Z54MRYCF6H308</lei>
        <title>Dominion Energy, Inc.</title>
        <cusip>25746U109</cusip>
        <identifiers>
          <isin value="US25746U1097"/>
        </identifiers>
        <balance>1654663.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>99561072.71000000</valUSD>
        <pctVal>3.818728153584</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Entergy Corp.</name>
        <lei>4XM3TW50JULSLG8BNC79</lei>
        <title>Entergy Corp.</title>
        <cusip>29364G103</cusip>
        <identifiers>
          <isin value="US29364G1031"/>
        </identifiers>
        <balance>567620.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>54429081.80000000</valUSD>
        <pctVal>2.087661988625</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>EURO</name>
        <lei>N/A</lei>
        <title>EURO</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="ISO Currency code" value="EUR"/>
        </identifiers>
        <balance>10502.89000000</balance>
        <units>OU</units>
        <descOthUnits>Currencies</descOthUnits>
        <currencyConditional curCd="EUR" exchangeRt="0.84363268"/>
        <valUSD>12449.60000000</valUSD>
        <pctVal>0.000477512312</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerConditional desc="Foreign currencies" issuerCat="OTHER"/>
        <invCountry>XX</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>British Pound</name>
        <lei>N/A</lei>
        <title>British Pound</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="ISO Currency code" value="GBP"/>
        </identifiers>
        <balance>483803.14000000</balance>
        <units>OU</units>
        <descOthUnits>Currencies</descOthUnits>
        <currencyConditional curCd="GBP" exchangeRt="0.73080717"/>
        <valUSD>662012.03000000</valUSD>
        <pctVal>0.025391891711</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerConditional desc="Foreign currencies" issuerCat="OTHER"/>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>CenterPoint Energy, Inc.</name>
        <lei>21TPXMRRHFKOBHDC8J74</lei>
        <title>CenterPoint Energy, Inc.</title>
        <cusip>15189T107</cusip>
        <identifiers>
          <isin value="US15189T1079"/>
        </identifiers>
        <balance>502686.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19951607.34000000</valUSD>
        <pctVal>0.765256566494</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>Forward Foreign Currency Contract</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Inhouse Asset ID" value="50119776"/>
        </identifiers>
        <balance>1.00000000</balance>
        <units>NC</units>
        <curCd>N/A</curCd>
        <valUSD>-132541.87000000</valUSD>
        <pctVal>-0.00508372757</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DFE</assetCat>
        <issuerConditional desc="Forward Foreign Currency Contract" issuerCat="OTHER"/>
        <invCountry>N/A</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <fwdDeriv derivCat="FWD">
            <counterparties>
              <counterpartyName>State Street Bank and Trust</counterpartyName>
              <counterpartyLei>571474TGEMMWANRLN572</counterpartyLei>
            </counterparties>
            <amtCurSold>10115204.29000000</amtCurSold>
            <curSold>EUR</curSold>
            <amtCurPur>11899660.86000000</amtCurPur>
            <curPur>USD</curPur>
            <settlementDt>2026-04-17</settlementDt>
            <unrealizedAppr>-132541.87000000</unrealizedAppr>
          </fwdDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>SSE plc</name>
        <lei>549300KI75VYLLMSK856</lei>
        <title>SSE plc</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="GB0007908733"/>
        </identifiers>
        <balance>2243846.00000000</balance>
        <units>NS</units>
        <currencyConditional curCd="GBP" exchangeRt="0.73080717"/>
        <valUSD>74364280.80000000</valUSD>
        <pctVal>2.852289202821</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="All applicable monthly total returns are reported excluding any sales loads or redemption fees for Item B.5." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-03-02</ncom:dateSigned>
      <ncom:nameOfApplicant>MFS Series Trust VI</ncom:nameOfApplicant>
      <ncom:signature>James Byrne</ncom:signature>
      <ncom:signerName>James Byrne</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
