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SUPPLEMENTAL CASH FLOW INFORMATION
 9 Months Ended
Sep. 30, 2018
Supplemental Cash Flow Information [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION
SUPPLEMENTAL CASH FLOW INFORMATION
NON-CASH TRANSACTIONS
Other significant non-cash investing and financing activities that affected recognized assets and liabilities but did not result in cash receipts or payments were as follows:
 
Nine Months Ended September 30,
(in millions)
2018
 
2017
Gila River Unit 2, Capital Lease
$
164

 
$
—

Net Cost of Removal Decrease (1)
(7
)
 
(88
)
Accrued Capital Expenditures
48

 
18

Renewable Energy Credits
3

 
4


(1) 
Non-cash Net Cost of Removal represents an accrual for future cost of retirement net of salvage values that does not impact earnings. As approved in the 2017 Rate Order, TEP implemented new depreciation reserves and rates effective March 1, 2017. See Note 2 for additional information.