Regulatory Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2011

Regulatory Assets [Line Items]

Regulatory Assets and Liabilities [Table Text Block]

Regulatory assets and liabilities reflected in the Consolidated Balance Sheets are presented below.

PNM

	December 31,
	2011			2010
Assets:	(In thousands)
Current:
Fuel and purchased power adjustment clause	$	41,254		$	35,835
Other	3,226			—
	44,480			35,835
Non-Current:
Coal mine reclamation costs	51,985			57,906
Deferred income taxes	51,436			48,226
Loss on reacquired debt	31,276			34,572
Pension and OPEB	208,033			208,620
Renewable energy costs	9,550			1,896
Other	107			6,724
	352,387			357,944
Total regulatory assets	$	396,867		$	393,779
Liabilities:
Non-Current:
Cost of removal	$	(250,778	)	$	(239,928	)
Deferred income taxes	(45,323		)	(12,575		)
Asset retirement obligations	(39,979		)	(40,369		)
Renewable energy tax benefits	(27,958		)	—
Other	(9,665		)	(6,891		)
Total regulatory liabilities	$	(373,703	)	$	(299,763	)

TNMP

	December 31,
	2011			2010
Assets:	(In thousands)
Current:
Other	$	513		$	457
Non-Current:
Stranded costs	81,256			95,105
Deferred income taxes	11,491			11,803
Pension and OPEB	18,818			20,613
Loss on reacquired debt	2,852			—
Hurricane recovery costs	9,210			13,683
Other	6,141			3,318
	129,768			144,522
Total regulatory assets	$	130,281		$	144,979
Liabilities:
Non-Current:
Cost of removal	$	(32,786	)	$	(33,496	)
Deferred income taxes	(5,843		)	(6,482		)
Other	(5,766		)	(2,724		)
Total regulatory liabilities	$	(44,395	)	$	(42,702	)

Public Service Company of New Mexico [Member]

Regulatory Assets [Line Items]

Regulatory Assets and Liabilities [Table Text Block]

PNM

	December 31,
	2011			2010
Assets:	(In thousands)
Current:
Fuel and purchased power adjustment clause	$	41,254		$	35,835
Other	3,226			—
	44,480			35,835
Non-Current:
Coal mine reclamation costs	51,985			57,906
Deferred income taxes	51,436			48,226
Loss on reacquired debt	31,276			34,572
Pension and OPEB	208,033			208,620
Renewable energy costs	9,550			1,896
Other	107			6,724
	352,387			357,944
Total regulatory assets	$	396,867		$	393,779
Liabilities:
Non-Current:
Cost of removal	$	(250,778	)	$	(239,928	)
Deferred income taxes	(45,323		)	(12,575		)
Asset retirement obligations	(39,979		)	(40,369		)
Renewable energy tax benefits	(27,958		)	—
Other	(9,665		)	(6,891		)
Total regulatory liabilities	$	(373,703	)	$	(299,763	)

Texas-New Mexico Power Company [Member]

Regulatory Assets [Line Items]

Regulatory Assets and Liabilities [Table Text Block]

TNMP

	December 31,
	2011			2010
Assets:	(In thousands)
Current:
Other	$	513		$	457
Non-Current:
Stranded costs	81,256			95,105
Deferred income taxes	11,491			11,803
Pension and OPEB	18,818			20,613
Loss on reacquired debt	2,852			—
Hurricane recovery costs	9,210			13,683
Other	6,141			3,318
	129,768			144,522
Total regulatory assets	$	130,281		$	144,979
Liabilities:
Non-Current:
Cost of removal	$	(32,786	)	$	(33,496	)
Deferred income taxes	(5,843		)	(6,482		)
Other	(5,766		)	(2,724		)
Total regulatory liabilities	$	(44,395	)	$	(42,702	)