Jointly owned facilities (Tables)

12 Months Ended

Dec. 31, 2021

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		2021		2020
			(In thousands)
Big Stone Station:	22.7	%
Utility plant in service			$	157,259	$	155,967
Construction work in progress			571		104
Less accumulated depreciation			47,293		45,435
			$	110,537	$	110,636
BSSE:	50.0	%
Utility plant in service			$	107,424	$	107,442
Construction work in progress			—		—
Less accumulated depreciation			4,506		2,682
			$	102,918	$	104,760
Coyote Station:	25.0	%
Utility plant in service			$	157,764	$	159,784
Construction work in progress			784		323
Less accumulated depreciation			109,202		108,852
			$	49,346	$	51,255
Wygen III:	25.0	%
Utility plant in service			$	66,357	$	66,101
Construction work in progress			108		232
Less accumulated depreciation			11,383		10,038
			$	55,082	$	56,295