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Property, Plant and Equipment
12 Months Ended
Sep. 30, 2016
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment comprise the following categories at September 30:
 
2016
 
2015
Distribution
$
2,634,191

 
$
2,458,080

Transmission
93,454

 
90,036

General and other, including construction in process
271,270

 
205,383

Total property, plant and equipment
$
2,998,915

 
$
2,753,499