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Note 3 - Rate and Regulatory Matters (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Information on Status of Updates for Previous Periods [Table Text Block]

Rate Rider		R - Request Date A - Approval Date		Effective Date Requested or Approved		Annual Revenue *($000s)*			Rate
Minnesota
Conservation Improvement Program
2019 Incentive and Cost Recovery		R –	May 1, 2020	October 1, 2020		$	8,247		$0.00485	/kwh
2018 Incentive and Cost Recovery		A –	December 27, 2019	January 1, 2020		$	11,926		$0.00710	/kwh
2017 Incentive and Cost Recovery		A –	October 4, 2018	November 1, 2018		$	10,283		$0.00600	/kwh
Transmission Cost Recovery
2018 Annual Update–Updated Request		R –	May 7, 2020	January 1, 2021		$	10,264		Various
2017 Rate Reset		A –	October 30, 2017	November 1, 2017		$	(3,311	)	Various
Environmental Cost Recovery
2018 Annual Update		A –	November 29, 2018	December 1, 2018		$	-		0%	of base
Renewable Resource Adjustment
2019 Annual Update – Revised		A –	December 19, 2019	January 1, 2020		$	12,506		$0.00467	/kwh
2018 Annual Update		A –	August 29, 2018	November 1, 2018		$	5,886		$0.00219	/kwh
North Dakota
Renewable Resource Adjustment
2020 Annual Update		A –	March 18, 2020	April 1, 2020		$	5,762		5.637%	of base
2019 Annual Update		A –	May 1, 2019	June 1, 2019		$	(235	)	-0.224%	of base
2018 Rate Reset for effect of TCJA		A –	February 27, 2018	March 1, 2018		$	9,650		7.493%	of base
Transmission Cost Recovery
2019 Annual Update		A –	December 18, 2019	January 1, 2020		$	5,739		Various
2018 Supplemental Update		A –	December 6, 2018	February 1, 2019		$	4,801		Various
2018 Rate Reset for effect of TCJA		A –	February 27, 2018	March 1, 2018		$	7,469		Various
Environmental Cost Recovery
2019 Update		A –	October 22, 2019	November 1, 2019		$	-		0%	of base
2018 Update		A –	December 19, 2018	February 1, 2019		$	(378	)	-0.310%	of base
2018 Rate Reset for effect of TCJA		A –	February 27, 2018	March 1, 2018		$	7,718		5.593%	of base
Generation Cost Recovery
2020 Annual Update		A –	June 10, 2020	July 1, 2020		$	6,184		6.041%	of base
2019 Initial Request		A –	May 15, 2019	July 1, 2019		$	2,720		2.547%	of base
South Dakota
Transmission Cost Recovery
2020 Annual Update		A –	February 19, 2020	March 1, 2020		$	2,327		Various
2019 Rate Reset		A –	September 17, 2019	October 1, 2019		$	2,046		Various
2019 Annual Update		A –	February 20, 2019	March 1, 2019		$	1,638		Various
2018 Interim Rate Reset		A –	October 18, 2018	October 18, 2018		$	1,171		Various
Environmental Cost Recovery
2018 Interim Rate Reset		A –	October 18, 2018	October 18, 2018		$	(189	)	-$0.00075	/kwh
Phase-In Rate Plan Recovery
2020 Annual Update		R –	June 1, 2020	September 1, 2020		$	1,931		7.753%	of base
2019 Initial Request		A –	August 21, 2019	September 1, 2019		$	864		3.345%	of base

Schedule of Revenues Recorded under Rate Riders [Table Text Block]

		Three Months Ended June 30,								Six Months Ended June 30,
Rate Rider (in thousands)		2020				2019				2020				2019
Minnesota
Renewable Resource Recovery		$	3,088			$	1,317			$	6,342			$	2,633
Conservation Improvement Program Costs and Incentives			1,521				1,841				2,607				2,728
Transmission Cost Recovery			(314	)			(56	)			401				585
Environmental Cost Recovery			-				-				-				(1	)
North Dakota
Transmission Cost Recovery			840				874				2,322				2,646
Renewable Resource Adjustment			1,070				(93	)			2,199				636
Generation Cost Recovery			900				222				1,848				470
Environmental Cost Recovery			-				(12	)			-				563
South Dakota
Transmission Cost Recovery			371				371				933				844
Conservation Improvement Program Costs and Incentives			210				96				554				340
Environmental Cost Recovery			-				(23	)			-				(27	)
Phase-In Rate Plan			(670	)			-				(24	)			-
Total		$	7,016			$	4,537			$	17,182			$	11,417