DEBT AND CREDIT AGREEMENTS (Tables)

6 Months Ended

Jun. 30, 2025

Debt Disclosure [Abstract]

Schedule Of Line Of Credit Facilities

The terms of the 2021 Credit Agreement are as follows:

			Sub-Limit Swingline (1)		Sub-Limit LOC						Weighted Average Interest Rate (3)
	Capacity						Borrowed (2)		Available				Pricing (4)
($ in millions)	June 30, 2025
Agreement	$	250	$	15	$	50	$	34	$	216	7.55	%	SOFR+ADJ 0.10%+1.050% or ABR+0.050%

(1)ABR pricing would apply to swingline loans.

(2)The borrowed amount includes LOCs totaling $19 million at a rate of 1.050% per annum issued in October and November 2024 to support interconnection requests, and in May 2025 to support TEP's participation in Markets+. The LOCs expire at various dates between October 2025 and November 2026.

(3)The weighted average interest rate is calculated on outstanding borrowings.

(4)TEP's pricing through October 15, 2026 may be adjusted based on performance measured using two sustainability targets: (i) the three-year average Occupational Safety and Health Administration total recordable incident rate, excluding solely COVID-19 pandemic-related incidents; and (ii) capacity targets for owned plus firm purchased power agreement renewable generation, including energy storage.