content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001191483</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001466593</issuerCik>
        <issuerName>Otter Tail Corp</issuerName>
        <secFileNumber>000-53713</secFileNumber>
        <issuerAddress>
          <com:street1>215 S CASCADE ST</com:street1>
          <com:street2>PO BOX 496</com:street2>
          <com:city>FERGUS FALLS</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>56538-0496</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>866-410-8780</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ERICKSON JOHN D</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>RBC WEALTH MANAGEMENT</name>
          <address>
            <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2500</noOfUnitsSold>
        <aggregateMarketValue>193250.00</aggregateMarketValue>
        <noOfUnitsOutstanding>41710521</noOfUnitsOutstanding>
        <approxSaleDate>11/20/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>01/01/2011</acquiredDate>
        <natureOfAcquisitionTransaction>PERFORMANCE SHARES</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2500</amountOfSecuritiesAcquired>
        <paymentDate>01/01/2011</paymentDate>
        <natureOfPayment>COMPENSATION</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/20/2023</noticeDate>
        <signature>JEFFREY EISCHENS</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001191483
  XXXXXXXX
  LIVE
  0001466593
  Otter Tail Corp
  000-53713
  215 S CASCADE ST
  PO BOX 496
  FERGUS FALLS
  MN
  56538-0496
  866-410-8780
  ERICKSON JOHN D
  Officer
  Director
  COMMON
  RBC WEALTH MANAGEMENT
  250 NICOLLET MALL, SUITE 1700
  MINNEAPOLIS
  MN
  55401
  2500
  193250.00
  41710521
  11/20/2023
  NASDAQ
  COMMON
  01/01/2011
  PERFORMANCE SHARES
  ISSUER
  N
  2500
  01/01/2011
  COMPENSATION
  Y
  11/20/2023
  JEFFREY EISCHENS