Jointly owned facilities (Tables)

12 Months Ended

Dec. 31, 2020

Company's share of the cost of utility plant in service and related accumulated depreciation for the stations

At December 31, the Company's share of the cost of utility plant in service, construction work in progress and related accumulated depreciation for the jointly owned facilities was as follows:


	Ownership Percentage		2020		2019
			(In thousands)
Big Stone Station:	22.7	%
Utility plant in service			$	155,967	$	152,836
Construction work in progress			104		518
Less accumulated depreciation			45,435		46,266
			$	110,636	$	107,088
BSSE:	50.0	%
Utility plant in service			$	107,442	$	105,767
Construction work in progress			—		—
Less accumulated depreciation			2,682		1,232
			$	104,760	$	104,535
Coyote Station:	25.0	%
Utility plant in service			$	159,784	$	160,235
Construction work in progress			323		21
Less accumulated depreciation			108,852		107,638
			$	51,255	$	52,618
Wygen III:	25.0	%
Utility plant in service			$	66,101	$	67,869
Construction work in progress			232		112
Less accumulated depreciation			10,038		10,482
			$	56,295	$	57,499