REVENUE (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents the disaggregation of TEP’s Operating Revenues on the Condensed Consolidated Statements of Income by type of service:

	Three Months Ended March 31,
(in millions)	2024		2023
Retail	$	282	$	233
Wholesale	89		126
Other Services	39		31
Revenues from Contracts with Customers	410		390
Alternative Revenues	9		13
Other	34		33
Total Operating Revenues	$	453	$	436