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Capitalization (Tables)
9 Months Ended
Sep. 30, 2016
CAPITALIZATION:  
Schedule of carrying amount and fair value of bonds

 

   September 30, 2016  December 31, 2015
   Carrying  Fair  Carrying  Fair
   Amount  Value  Amount  Value
First Mortgage Bonds  $82,407   $86,236   $85,143   $87,972 
SRF Bonds  $379   $381   $457   $459