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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ADOPTION OF THIS ACCOUNTING PRINCIPAL DOES NOT HAVE A MATERIAL EFFECT ON ITS FINANCIAL POSITION, RESULTS OF OPERATIONS, OR CASH FLOWS AS THE REMC DOES NOT BELIEVE THEY ARE TAKING AN UNCERTAIN TAX POSITION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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        <TotalCompensationFilingOrgAmt>152166</TotalCompensationFilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>SOUTHERN INDIANA POWER IS A COOPERATIVE OWNED BY APPROXIMATELY 7,420 MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS ELECT THE BOARD OF DIRECTORS AT AN ANNUAL MEETING DEPENDING ON THE DISTRICT THEY LIVE IN.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CERTAIN DECISIONS TO BE MADE BY THE BOARD OF DIRECTORS MUST BE APPROVED BY MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WAS DISTRIBUTED TO THE REMC BOARD PRIOR TO FILING FOR REVIEW AND COMMENTS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS MONITORED BY THE PRESIDENT/CEO.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS HAS A WAGE AND SALARY COMMITTEE THAT SETS THE PRESIDENT/CEO'S SALARY BASED ON AN ANNUAL PERFORRMANCE REVIEW AND THE NRECA ANNUAL COMPENSATION SURVEY</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND ANNUAL FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 7-10</FormAndLineReferenceDesc>
        <ExplanationTxt>AS AN ELECTRIC COOPERATIVE THAT FOLLOWS RUS ACCOUNTING, WE EITHER CAPITALIZE OR EXPENSE THE COST OF PAYROLL (PAYROLL, TAXES, AND EMPLOYEE BENEFITS). THEREFORE, THE AMOUNT CANNOT BE BROKEN DOWN LINE BY LINE ON THE STATEMENT OF FUNCTIONAL EXPENSES. THE AMOUNT OF PAYROLL THAT HAS BEEN CAPITALIZED ALSO INCLUDES PAYROLL TAXES AND EMPLOYEE BENEFITS, WHICH IS INCLUDED IN THE BALANCE SHEET. IN ADDITION, THE AMOUNT FROM YEAR TO YEAR TO BE CAPITALIZED VS EXPENSED VARIES BASED ON THE WORK BEING PERFORMED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
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</Return>
