Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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The period end amount owned by the reporting utility of a jointly owned utility plant in service.

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The period end amount of construction work in progress at a jointly owned electricity generation plant.

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The entity's proportionate share of the capacity of a jointly owned utility plant.

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Reciprocating Internal Combustion Engines

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JOINTLY OWNED UTILITY FACILITIES (Details) $ in Millions	1 Months Ended
JOINTLY OWNED UTILITY FACILITIES (Details) $ in Millions	Jan. 31, 2023 USD ($)	Jan. 01, 2023 MW	Dec. 31, 2022 USD ($) generating_units MW
Weston Unit 4
Jointly owned utility facilities
Joint plant ownership percentage			70.00%
Share of capacity (MW) \| MW			387.3
Property, plant, and equipment			$ 612.1
Accumulated depreciation			(213.0)
Construction work in progress			$ 1.2
Columbia Energy Center Units 1 and 2
Jointly owned utility facilities
Joint plant ownership percentage			27.50%
Share of capacity (MW) \| MW			311.1
Property, plant, and equipment			$ 426.1
Accumulated depreciation			(159.7)
Construction work in progress			$ 6.8
Forward Wind Energy Center
Jointly owned utility facilities
Joint plant ownership percentage			44.60%
Share of capacity (MW) \| MW			61.5
Property, plant, and equipment			$ 119.3
Accumulated depreciation			(53.9)
Construction work in progress			$ 0.2
Two Creeks
Jointly owned utility facilities
Joint plant ownership percentage			66.70%
Share of capacity (MW) \| MW			100.0
Property, plant, and equipment			$ 136.8
Accumulated depreciation			(9.7)
Construction work in progress			$ 0.1
Badger Hollow I
Jointly owned utility facilities
Joint plant ownership percentage			66.70%
Share of capacity (MW) \| MW			100.0
Property, plant, and equipment			$ 146.2
Accumulated depreciation			(4.9)
Construction work in progress			$ 0.0
Paris Solar
Jointly owned utility facilities
Joint plant ownership percentage			15.00%
Jointly owned utility plant, proportionate ownership share of solar capacity \| MW			30
Jointly owned utility plant, proportionate ownership share of battery storage \| MW			17
Construction work in progress			$ 34.4
Darien Solar
Jointly owned utility facilities
Joint plant ownership percentage			15.00%
Jointly owned utility plant, proportionate ownership share of solar capacity \| MW			37
Jointly owned utility plant, proportionate ownership share of battery storage \| MW			12
Construction work in progress			$ 1.6
Weston RICE
Jointly owned utility facilities
Joint plant ownership percentage			50.00%
Share of capacity (MW) \| MW			64
Construction work in progress			$ 60.2
Number of RICE units \| generating_units			7
Whitewater \| Subsequent event
Jointly owned utility facilities
Joint plant ownership percentage		50.00%
Share of capacity (MW) \| MW		236.5
Purchase price	$ 36.3