CHANGES IN ACCUMULATIVE OTHER COMPREHENSIVE INCOME BY COMPONENT (Tables)

3 Months Ended

Mar. 31, 2014

Statement of Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The realized changes in AOCI by component are as follows:

	UNS Energy
Details About Accumulated Other Comprehensive Income Components	Amount Reclassified from Other Comprehensive Income						Affected Line Item in the Income Statement
	Three Months Ended March 31,
	2014			2013
	Thousands of Dollars
Realized Losses on Cash Flow Hedges
Interest Rate Swaps - Debt	$	(353	)	$	(331	)	Interest Expense Long-Term Debt
Interest Rate Swaps - Capital Leases	(596		)	(604		)	Interest Expense Capital Leases
Tax Benefit	304			370
Realized Losses on Cash Flow Hedges, Net of Taxes	(645		)	(565		)
Amortization of SERP
Prior Service Costs and Net Loss	(39		)	(110		)	Operations and Maintenance
Tax Benefit	15			42
Amortization, Net of Taxes	(24		)	(68		)
Total Reclassifications from Other Comprehensive Income for the Period	$	(669	)	$	(633	)

	TEP
Details About Accumulated Other Comprehensive Income Components	Amount Reclassified from Other Comprehensive Income						Affected Line Item in the Income Statement
	Three Months Ended March 31,
	2014			2013
	Thousands of Dollars
Realized Losses on Cash Flow Hedges
Interest Rate Swaps - Debt	$	(298	)	$	(281	)	Interest Expense Long-Term Debt
Interest Rate Swaps - Capital Leases	(596		)	(604		)	Interest Expense Capital Leases
Tax Benefit	284			350
Realized Losses on Cash Flow Hedges, Net of Taxes	(610		)	(535		)
Amortization of SERP
Prior Service Costs and Net Loss	(39		)	(110		)	Other Expense
Tax Benefit	15			42
Amortization, Net of Taxes	(24		)	(68		)
Total Reclassifications from Other Comprehensive Income for the Period	$	(634	)	$	(603	)