Business Combination, Tax Equity Funding

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Number of Counties Served

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Number Of Ownership Interest in Operating Wind Facilities

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Number of Wind Farms

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Solar Power Capacity

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Wind Power Capacity

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to items of consideration transferred in connection with a business combination for which the initial accounting was incomplete.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Gross amount of debt extinguished.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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The number of countries in which the entity operates as of balance sheet date.

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Business acquisitions, development projects and disposition transactions - Additional Information (Details) $ in Thousands, $ in Thousands					1 Months Ended		12 Months Ended
	Dec. 29, 2022 CAD ($) business_unit	Sep. 29, 2022 USD ($)	Jan. 01, 2022 USD ($) country	Oct. 26, 2021 USD ($)	Apr. 30, 2021 USD ($) MWac	Jan. 31, 2021 USD ($) MWac wind_project	Dec. 31, 2022 USD ($) county	Dec. 31, 2021 USD ($) wind_project MWac	Dec. 31, 2019 MWac	Dec. 29, 2022 USD ($)	Dec. 29, 2022 CAD ($)	Mar. 31, 2022 USD ($)
Business Acquisition [Line Items]
Gain on sale of renewable assets							$ 64,028	$ 29,063
Number of counties served \| county							20
Business combination, consideration transferred, liabilities incurred						$ 87,035
Operating Wind Facilities in the United States
Business Acquisition [Line Items]
Equity interest (percent)										49.00%	49.00%
Number of ownership interest \| business_unit	3
Wind power capacity (megawatt AC) \| MWac									551
Altavista Solar Facility
Business Acquisition [Line Items]
Equity interest (percent)					50.00%
Blue Hill Wind Facility
Business Acquisition [Line Items]
Equity interest (percent)										80.00%	80.00%
Wind power capacity (megawatt AC) \| MWac									175
Proceeds from sale of renewable assets										$ 277,500	$ 108,610
Gain on sale of renewable assets	$ 62,828
Kentucky Power Transaction
Business Acquisition [Line Items]
Total purchase price				$ 2,846,000
Reduction to the purchase price		$ 200,000
AEP Kentucky Transmission Company, Inc
Business Acquisition [Line Items]
Debt assumed				$ 1,221,000
New York Water Company, Inc
Business Acquisition [Line Items]
Total purchase price			$ 609,000
Number of countries \| country			8
Intangible asset, useful life			64 years 8 months 26 days
Revenue							$ 125,370
Operating income							$ 21,776
Mid-West Wind Facilities
Business Acquisition [Line Items]
Debt assumed								$ 789,804
Mid-West Wind Facilities \| Empire Electric System
Business Acquisition [Line Items]
Wind power capacity (megawatt AC) \| MWac								600
Total purchase price								$ 97,760
Tax equity funding								530,880
Debt repaid upon maturity								$ 789,923
Number of wind projects \| wind_project								3
Maverick Creek and Sugar Creek Wind Facilities
Business Acquisition [Line Items]
Debt assumed						855,409
Total purchase price						$ 18,641
Number of wind projects \| wind_project						2
Ownership interest acquired (percent)						50.00%
Investments in joint venture												$ 43,797
Altavista Solar Facility
Business Acquisition [Line Items]
Debt assumed					$ 122,024
Total purchase price					$ 6,735
Solar power capacity (megawatt ac) \| MWac					80
Maverick Creek Wind Facility
Business Acquisition [Line Items]
Wind power capacity (megawatt AC) \| MWac						492
Tax equity funding						$ 380,829
Debt repaid upon maturity						$ 570,578
Sugar Creek Wind Facility
Business Acquisition [Line Items]
Wind power capacity (megawatt AC) \| MWac						202
Tax equity funding						$ 147,914
Debt repaid upon maturity						$ 284,829