XML 39 R27.htm IDEA: XBRL DOCUMENT

Note 4 - Regulatory Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2020

Schedule of Regulatory Assets and Liabilities [Table Text Block]

	September 30, 2020								Remaining Recovery/
(in thousands)	Current		Long-Term			Total				Refund Period (months)
Regulatory Assets:
Prior Service Costs and Actuarial Losses on Pensions and Other Postretirement Benefits¹	$	9,018	$	122,765		$	131,783		see below
Minnesota Transmission Cost Recovery Rider Accrued Revenues²		3,676		6,126			9,802			27
Accumulated Asset Retirement Obligation (ARO) Accretion/Depreciation Adjustment¹		-		8,481			8,481		asset lives
Conservation Improvement Program Costs and Incentives²		1,040		2,094			3,134			24
Nonservice Costs Components of Postretirement Benefits Capitalized for Ratemaking Purposes and Subject to Deferred Recovery¹		-		2,149			2,149		asset lives
MISO Schedule 26/26A Transmission Cost Recovery Rider True-ups¹		1,234		559			1,793			27
Unrecovered Project Costs – Minnesota¹		401		1,092			1,493			21
Minnesota Renewable Resource Rider Accrued Revenues²		1,203		-			1,203			12
Unrecovered Project Costs – North Dakota¹		-		856			856			21
Minnesota SPP Transmission Cost Recovery Tracker¹		-		759			759		see below
Debt Reacquisition Premiums¹		204		379			583			144
Unrecovered Project Costs – South Dakota¹		144		357			501			24
South Dakota Deferred Rate Case Expenses Subject to Recovery¹		137		143			280			25
North Dakota Deferred Rate Case Expenses Subject to Recovery¹		122		152			274			27
Deferred Marked-to-Market Losses¹		186		-			186			3
North Dakota Generation Cost Recovery Rider Accrued Revenue²		66		-			66			9
Deferred Lease Expenses¹		-		65			65			56
Minnesota Environmental Cost Recovery Rider Accrued Revenues²		4		-			4			12
Total Regulatory Assets	$	17,435	$	145,977		$	163,412
Regulatory Liabilities:
Deferred Income Taxes	$	-	$	136,630		$	136,630		asset lives
Accumulated Reserve for Estimated Removal Costs – Net of Salvage		-		99,617			99,617		asset lives
Refundable Fuel Clause Adjustment Revenues		9,208		-			9,208			12
North Dakota Transmission Cost Recovery Rider Accrued Refund		1,233		-			1,233			3
South Dakota Phase-In Rate Plan Rider Accrued Refund		1,090		-			1,090			11
Revenue for Rate Case Expenses Subject to Refund – Minnesota		-		577			577		see below
Prior Service Costs and Actuarial Gains on Postretirement Benefits		471		-			471			12
North Dakota Renewable Resource Recovery Rider Accrued Refund		444		-			444			6
South Dakota Transmission Cost Recovery Rider Accrued Refund		232		-			232			5
Minnesota Energy Intensive Trade Exposed Rider Accrued Refund		186		-			186			12
Other		6		68			74			159
Total Regulatory Liabilities	$	12,870	$	236,892		$	249,762
Net Regulatory Asset/(Liability) Position	$	4,565	$	(90,915	)	$	(86,350	)

	December 31, 2019								Remaining Recovery/
(in thousands)	Current		Long-Term			Total			Refund Period (months)
Regulatory Assets:
Prior Service Costs and Actuarial Losses on Pensions and Other Postretirement Benefits¹	$	9,090	$	129,102		$	138,192		see below
Minnesota Transmission Cost Recovery Rider Accrued Revenues²		4,208		-			4,208			12
Accumulated Asset Retirement Obligation (ARO) Accretion/Depreciation Adjustment¹		-		7,772			7,772		asset lives
Conservation Improvement Program Costs and Incentives²		4,024		2,844			6,868			21
Nonservice Costs Components of Postretirement Benefits Capitalized for Ratemaking Purposes and Subject to Deferred Recovery¹		-		1,681			1,681		asset lives
MISO Schedule 26/26A Transmission Cost Recovery Rider True-ups¹		2,033		968			3,001			24
Unrecovered Project Costs – Minnesota¹		715		225			940			16
Minnesota Renewable Resource Rider Accrued Revenues²		131		-			131			12
Minnesota SPP Transmission Cost Recovery Tracker¹		-		202			202		see below
Debt Reacquisition Premiums¹		201		548			749			153
Unrecovered Project Costs – South Dakota¹		144		253			397			33
South Dakota Deferred Rate Case Expenses Subject to Recovery¹		138		245			383			34
North Dakota Deferred Rate Case Expenses Subject to Recovery¹		122		244			366			36
Deferred Marked-to-Market Losses¹		743		-			743			12
Deferred Lease Expenses¹		-		54			54			39
Minnesota Environmental Cost Recovery Rider Accrued Revenues²		4		-			4			12
South Dakota Transmission Cost Recovery Rider Accrued Revenues²		97		-			97			2
Total Regulatory Assets	$	21,650	$	144,138		$	165,788
Regulatory Liabilities:
Deferred Income Taxes	$	-	$	141,707		$	141,707		asset lives
Accumulated Reserve for Estimated Removal Costs – Net of Salvage		-		97,726			97,726		asset lives
Refundable Fuel Clause Adjustment Revenues		3,982		-			3,982			12
North Dakota Transmission Cost Recovery Rider Accrued Refund		700		-			700			12
South Dakota Phase-In Rate Plan Rider Accrued Refund		355		-			355			9
Revenue for Rate Case Expenses Subject to Refund – Minnesota		-		401			401		see below
Prior Service Costs and Actuarial Gains on Postretirement Benefits		471		-			471			12
North Dakota Renewable Resource Recovery Rider Accrued Refund		1,515		-			1,515			12
Minnesota Energy Intensive Trade Exposed Rider Accrued Refund		164		-			164			12
North Dakota Generation Cost Recovery Rider Accrued Refund		287		-			287			6
Other		6		72			78			168
Total Regulatory Liabilities	$	7,480	$	239,906		$	247,386
Net Regulatory Asset/(Liability) Position	$	14,170	$	(95,768	)	$	(81,598	)