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Fair Value of Derivative and Other Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value of Derivative and Other Financial Instruments [Abstract]

Schedule of Commodity Derivatives

Commodity derivative instruments that are recorded at fair value, all of which are accounted for as economic hedges, are summarized as follows:

	Economic Hedges
	December 31,
	2016				2015
	(In thousands)
PNMR and PNM
Current assets	$	5,224			$	3,813
Deferred charges	—				2,622
	5,224				6,435
Current liabilities	(2,339		)		(1,859		)
Net	$	2,885			$	4,576

Summary of the Effect of Mark-to-Market Commodity Derivative Instruments on Earnings

The following table presents the effect of mark-to-market commodity derivative instruments on earnings, excluding income tax effects. Commodity derivatives had no impact on OCI for the periods presented.

	Economic Hedges
	Year Ended December 31,
	2016				2015				2014
	(In thousands)
PNMR and PNM
Electric operating revenues	$	(53	)		$	7,156			$	4,491
Cost of energy	(1,208		)		(293		)		593
Total gain	$	(1,261	)		$	6,863			$	5,084

Schedule of Net Buy (Sell) Volume Positions

The table below presents PNMR’s and PNM’s net buy (sell) volume positions:

	Economic Hedges
	MMBTU			MWh
PNMR and PNM
December 31, 2016	254,100			(2,471,600	)
December 31, 2015	577,481			(3,405,843	)

Schedule of Collateral Related to Derivative

The table below presents information about the Company’s contingent requirements to provide collateral under commodity contracts having an objectively determinable collateral provision that are in net liability positions and are not fully collateralized with cash. Contractual Liability represents commodity derivative contracts recorded at fair value on the balance sheet, determined on an individual contract basis without offsetting amounts for individual contracts that are in an asset position and could be offset under master netting agreements with the same counterparty. The table only reflects cash collateral that has been posted under the existing contracts and does not reflect letters of credit under the Company’s revolving credit facilities that have been issued as collateral. Net Exposure is the net contractual liability for all contracts, including those designated as normal purchases and normal sales, offset by existing cash collateral and by any offsets available under master netting agreements, including both asset and liability positions.

Contingent Feature – Credit Rating Downgrade		Contractual Liability				Existing Cash Collateral				Net Exposure
		(In thousands)
PNMR and PNM
December 31, 2016		$	—			$	—			$	—
December 31, 2015		$	839			$	—			$	839

Schedule of Fair Value and Unrealized Gains of Available-for-sale Securities

The fair value and gross unrealized gains of investments in available-for-sale securities are presented in the following table.

	December 31, 2016								December 31, 2015
	Unrealized  Gains				Fair Value				Unrealized  Gains				Fair Value
PNMR and PNM					(In thousands)
Cash and cash equivalents	$	—			$	23,683			$	—			$	10,700
Equity securities:
Domestic value	1,135				34,796				11,610				44,505
Domestic growth	3,032				47,595				11,163				61,078
International and other	2,029				27,481				1,569				27,961
Fixed income securities:
U.S. Government	115				40,962				178				27,880
Municipals	585				43,789				3,672				58,576
Corporate and other	553				54,671				628				28,342
	$	7,449			$	272,977			$	28,820			$	259,042

Schedule of Realized Gain (Loss)

Gross realized losses shown below exclude the change in realized impairment losses of $(1.2) million, $(4.3) million, and $(0.7) million for the years ended December 31, 2016, 2015 and 2014.

	Year Ended December 31,
	2016				2015				2014
	(In thousands)
Proceeds from sales	$	522,601			$	252,174			$	117,989
Gross realized gains	$	46,116			$	29,663			$	15,162
Gross realized (losses)	$	(25,430	)		$	(9,259	)		$	(3,964	)

Investments Classified by Contractual Maturity Date

At December 31, 2016, the available-for-sale and held-to-maturity debt securities had the following final maturities:

	Fair Value
	Available-for-Sale				Held-to-Maturity
	PNMR and PNM				PNMR
	(In thousands)
Within 1 year	$	4,291			$	—
After 1 year through 5 years	35,884				100,893
After 5 years through 10 years	52,651				—
After 10 years through 15 years	5,617				—
After 15 years through 20 years	6,924				—
After 20 years	34,055				—
	$	139,422			$	100,893

Schedule of Instruments Presented by Level of Hierarchy

Items recorded at fair value on the Consolidated Balance Sheets are presented below by level of the fair value hierarchy. There were no Level 3 fair value measurements at December 31, 2016 and 2015 for items recorded at fair value.

					GAAP Fair Value Hierarchy
	Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)
PNMR and PNM					(In thousands)
December 31, 2016
Available-for-sale securities
Cash and cash equivalents	$	23,683			$	23,683			$	—
Equity securities:
Domestic value	34,796				34,796				—
Domestic growth	47,595				47,595				—
International and other	27,481				27,481				—
Fixed income securities:
U.S. Government	40,962				39,723				1,239
Municipals	43,789				—				43,789
Corporate and other	54,671				23,158				31,513
	$	272,977			$	196,436			$	76,541
Commodity derivative assets	$	5,224			$	—			$	5,224
Commodity derivative liabilities	(2,339		)		—				(2,339		)
Net	$	2,885			$	—			$	2,885

December 31, 2015
Available-for-sale securities
Cash and cash equivalents	$	10,700			$	10,700			$	—
Equity securities:
Domestic value	44,505				44,505				—
Domestic growth	61,078				61,078				—
International and other	27,961				27,961				—
Fixed income securities:
U.S. Government	27,880				26,608				1,272
Municipals	58,576				—				58,576
Corporate and other	28,342				6,500				21,842
	$	259,042			$	177,352			$	81,690
Commodity derivative assets	$	6,435			$	—			$	6,435
Commodity derivative liabilities	(1,859		)		—				(1,859		)
Net	$	4,576			$	—			$	4,576

Summary of Carrying Amounts and Fair Value of Instruments

The carrying amounts and fair values of investments in the Westmoreland Loan, PVNGS lessor notes, other investments, and long-term debt, which are not recorded at fair value on the Consolidated Balance Sheets, are presented below:

									GAAP Fair Value Hierarchy
	Carrying Amount				Fair Value				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
December 31, 2016	(In thousands)
PNMR
Long-term debt	$	2,392,712			$	2,540,693			$	—			$	2,540,693			$	—
Westmoreland Loan	$	95,000			$	100,893			$	—			$	—			$	100,893
Other investments	$	547			$	1,164			$	547			$	—			$	617
PNM
Long-term debt	$	1,631,369			$	1,730,157			$	—			$	1,730,157			$	—
Other investments	$	316			$	316			$	316			$	—			$	—
TNMP
Long-term debt	$	420,875			$	468,329			$	—			$	468,329			$	—
Other investments	$	231			$	231			$	231			$	—			$	—
December 31, 2015
PNMR
Long-term debt	$	2,091,948			$	2,264,869			$	—			$	2,264,869			$	—
Investment in PVNGS lessor notes	$	8,587			$	8,947			$	—			$	—			$	8,947
Other investments	$	604			$	1,269			$	604			$	—			$	665
PNM
Long-term debt	$	1,580,677			$	1,703,209			$	—			$	1,703,209			$	—
Investment in PVNGS lessor notes	$	8,587			$	8,947			$	—			$	—			$	8,947
Other investments	$	366			$	366			$	366			$	—			$	—
TNMP
Long-term debt	$	361,411			$	411,661			$	—			$	411,661			$	—
Other investments	$	238			$	238			$	238			$	—			$	—

Schedule of Investments Held by the Employee Benefit Plans

The fair values of investments held by the employee benefit plans are as follows:

					GAAP Fair Value Hierarchy
	Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
December 31, 2016					(In thousands)
PNM Pension Plan
Participation in PNMR Master Trust Investments:
Investments categorized within fair value hierarchy	$	467,965			$	129,624			$	337,989			$	352
Uncategorized investments	75,685
Total Master Trust Investments	$	543,650
TNMP Pension Plan
Participation in PNMR Master Trust Investments:
Investments categorized within fair value hierarchy	$	50,901			$	14,447			$	36,416			$	38
Uncategorized investments	9,729
Total Master Trust Investments	$	60,630
PNM OPEB Plan
Cash and cash equivalents	$	2,567			$	2,567			$	—			$	—
Equity securities:
International funds	9,300				—				9,300				—
Domestic value	10,260				10,260				—				—
Domestic growth	6,338				6,338				—				—
Other funds	26,405				—				26,405				—
Fixed income securities:
Mutual funds	18,959				18,959				—				—
	$	73,829			$	38,124			$	35,705			$	—
TNMP OPEB Plan
Cash and cash equivalents	$	308			$	308			$	—			$	—
Equity securities:
International funds	1,279				—				1,279				—
Domestic value	449				449				—				—
Domestic growth	1,089				1,089				—				—
Other funds	3,060				—				3,060				—
Fixed income securities:
Mutual funds	2,593				2,593				—				—
	$	8,778			$	4,439			$	4,339			$	—

					GAAP Fair Value Hierarchy
	Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
December 31, 2015	(In thousands)
PNM Pension Plan
Participation in PNMR Master Trust Investments:
Investments categorized within fair value hierarchy	$	479,858			$	111,441			$	367,698			$	719
Uncategorized investments	78,461
Total Master Trust Investments	$	558,319
TNMP Pension Plan
Participation in PNMR Master Trust Investments:
Investments categorized within fair value hierarchy	$	52,163			$	12,199			$	39,886			$	78
Uncategorized investments	9,968
Total Master Trust Investments	$	62,131
PNM OPEB Plan
Cash and cash equivalents	$	1,512			$	1,512			$	—			$	—
Equity securities:
International funds	10,604				—				10,604				—
Domestic value	9,367				9,367				—				—
Domestic growth	5,894				5,894				—				—
Other funds	28,419				—				28,419				—
Fixed income securities:
Mutual funds	18,343				18,343				—				—
	$	74,139			$	35,116			$	39,023			$	—
TNMP OPEB Plan
Cash and cash equivalents	$	128			$	128			$	—			$	—
Equity securities:
International funds	1,310				—				1,310				—
Domestic value	367				367				—				—
Domestic growth	1,013				1,013				—				—
Other funds	3,397				—				3,397				—
Fixed income securities:
Mutual funds	3,075				3,075				—				—
	$	9,290			$	4,583			$	4,707			$	—

The fair values of investments in the PNMR Master Trust are as follows:

					GAAP Fair Value Hierarchy
	Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
December 31, 2016	(In thousands)
PNMR Master Trust
Cash and cash equivalents	$	20,503			$	20,503			$	—			$	—
Equity securities:
International	38,401				—				38,401				—
Domestic value	36,036				36,036				—				—
Domestic growth	18,484				18,484				—				—
Other funds	27,532				—				27,532				—
Fixed income securities:
Corporate	205,419				—				205,029				390
U.S. Government	94,359				69,048				25,311				—
Municipals	13,970				—				13,970				—
Other funds	64,162				—				64,162				—
Total investments categorized within fair value hierarchy	518,866				$	144,071			$	374,405			$	390
Uncategorized investments:
Private equity funds	27,060
Hedge funds	42,070
Real estate funds	16,284
	$	604,280
December 31, 2015
PNMR Master Trust
Cash and cash equivalents	$	14,525			$	14,525			$	—			$	—
Equity securities:
International	36,675				—				36,675				—
Domestic value	34,769				34,769				—				—
Domestic growth	25,407				25,407				—				—
Other funds	30,531				—				30,531				—
Fixed income securities:
Corporate	214,218				—				213,421				797
U.S. Government	98,138				48,936				49,202				—
Municipals	16,647				—				16,647				—
Other funds	61,111				3				61,108				—
Total investments categorized within fair value hierarchy	532,021				$	123,640			$	407,584			$	797
Uncategorized investments:
Private equity funds	32,333
Hedge funds	40,731
Real estate funds	15,365
	$	620,450

Summary of Level 3 Measurements

A reconciliation of the changes in Level 3 fair value measurements is as follows:

	Fixed Income - Corporate
PNMR Master Trust	PNM Pension				TNMP Pension				Total Master Trust
	(In thousands)
Balance at December 31, 2014	$	655			$	72			$	727
Actual return on assets sold during the period	—				—				—
Actual return on assets still held at period end	(1		)		—				(1		)
Purchases	177				17				194
Sales	(112		)		(11		)		(123		)
Balance at December 31, 2015	719				78				797
Actual return on assets sold during the period	1				—				1
Actual return on assets still held at period end	19				2				21
Purchases	—				—				—
Sales	(387		)		(42		)		(429		)
Balance at December 31, 2016	$	352			$	38			$	390

The following table presents information about the PBO, fair value of plan assets, and funded status of the plans:

	PNM Plan								TNMP Plan
	Year Ended December 31,								Year Ended December 31,
	2016				2015				2016				2015
	(In thousands)
PBO at beginning of year	$	597,900			$	657,557			$	64,198			$	72,305
Service cost	—				—				—				—
Interest cost	30,307				28,255				3,304				3,043
Actuarial (gain) loss	39,463				(38,151		)		4,318				(5,157		)
Benefits paid	(45,919		)		(49,761		)		(4,759		)		(5,993		)
PBO at end of year	621,751				597,900				67,061				64,198
Fair value of plan assets at beginning of year	557,923				587,909				62,082				69,177
Actual return on plan assets	31,597				(10,225		)		3,301				(1,102		)
Employer contributions	—				30,000				—				—
Benefits paid	(45,919		)		(49,761		)		(4,759		)		(5,993		)
Fair value of plan assets at end of year	543,601				557,923				60,624				62,082
Funded status – asset (liability) for pension benefits	$	(78,150	)		$	(39,977	)		$	(6,437	)		$	(2,116	)

The following table presents information about the APBO, the fair value of plan assets, and the funded status of the plans:

	PNM Plan								TNMP Plan
	Year Ended December 31,								Year Ended December 31,
	2016				2015				2016				2015
	(In thousands)
APBO at beginning of year	$	84,674			$	95,175			$	13,106			$	14,070
Service cost	140				204				186				247
Interest cost	4,346				4,089				677				608
Participant contributions	2,690				2,439				520				320
Actuarial (gain) loss	17,877				(6,565		)		(96		)		(575		)
Benefits paid	(11,734		)		(10,668		)		(1,563		)		(1,564		)
Plan design changes	(3,724		)		—				—				—
APBO at end of year	94,269				84,674				12,830				13,106
Fair value of plan assets at beginning of year	72,952				78,175				9,111				10,094
Actual return on plan assets	5,923				(617		)		476				(82		)
Employer contributions	2,863				3,623				—				343
Participant contributions	2,690				2,439				520				320
Benefits paid	(11,734		)		(10,668		)		(1,563		)		(1,564		)
Fair value of plan assets at end of year	72,694				72,952				8,544				9,111
Funded status – asset (liability)	$	(21,575	)		$	(11,722	)		$	(4,286	)		$	(3,995	)

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Fair Value of Derivative and Other Financial Instruments [Abstract]

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Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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No definition available.

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Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

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Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.

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