SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

6 Months Ended

Jun. 30, 2023

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

Other significant non-cash investing and financing activities that resulted in recognition of assets and liabilities but did not result in cash receipts or payments were as follows:

	Six Months Ended June 30,
(in millions)	2023		2022
Accrued Capital Expenditures	$	31	$	25
Renewable Energy Credits	6		5
Asset Retirement Obligation/Cost Increase (Decrease) (1)	(1)		(28)
Net Cost of Removal Increase (Decrease) (2)	(9)		(46)

(1)In 2022, TEP retired the San Juan asset retirement cost asset, concurrent with the retirement of San Juan Unit 1 in June 2022.

(2)Represents an accrual for future cost of retirement net of salvage values that does not impact earnings. In 2022, TEP reclassified a portion of the Net Cost of Removal related to San Juan to the unrecovered book value of the retiring asset.