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        <ExplanationTxt>THE REC FOLLOWS "ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES." THE GENERALLY ACCEPTED ACCOUNTING PRINCIPLE PROVIDES DETAILED GUIDANCE FOR THE FINANCIAL STATEMENT RECOGNITION, MEASUREMENT, AND DISCLOSURE OF UNCERTAIN TAX POSITIONS RECOGNIZED IN AN ENTERPRISE'S FINANCIAL STATEMENTS. THE ACCOUNTING PRINCIPLE REQUIRES AN ENTITY TO RECOGNIZE THE FINANCIAL STATEMENT IMPACT OF A TAX POSITION WHEN IT IS MORE LIKELY THAN NOT THAT THE POSITION WILL BE SUSTAINED UPON EXAMINATION. THE ADOPTION OF THIS ACCOUNTING PRINCIPLE DOES NOT HAVE A MATERIAL EFFECT ON ITS FINANCIAL POSITION, RESULTS OF OPERATIONS, OR CASH FLOWS AS THE REC DOES NOT BELIEVE THEY ARE TAKING ANY UNCERTAIN TAX POSITIONS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>SOUTHERN INDIANA POWER IS A COOPERATIVE OWNED BY APPROXIMATELY 7,500 MEMBERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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</Return>