Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Accumulated OCL beginning balance
Accumulated OCL ending balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Subsidiaries Affected By Bankruptcy
Subsidiaries Affected By Bankruptcy [Member]
Subsidiaries Affected By Bankruptcy [Member]
Condensed Cash Flow Statement [Table]
Condensed Cash Flow Statement [Table]
Level 3
Fair Value, Inputs, Level 3 [Member]
Noncontrolling interest
Noncontrolling Interest in Variable Interest Entity
Total current liabilities
Total current liabilities
Liabilities, Current
Members' Equity
Members' Equity [Abstract]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Condensed Cash Flow Statement
Condensed Cash Flow Statement [Table Text Block]
Current portion of long-term debt — external
External Current Debt
External Current Debt
CVSR Holdco due 2037
CVSR Holdco due 2037 [Member]
CVSR Holdco due 2037 [Member]
Accounts receivable, current
Accounts Receivable, Related Parties
Repowering Partnership Holdco LLC, due 2020
Repowering Partnership Holdco LLC, due 2020 [Member]
Repowering Partnership Holdco LLC, due 2020 [Member]
Recently Issued Accounting Standards Not Yet Adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Right-of-use asset amortization . .
Operating Lease, Right-of-Use Asset, Amortization
Operating Lease, Right-of-Use Asset, Amortization
Total consideration
Debt Instrument, Repurchase Amount
Current Fiscal Year End Date
Current Fiscal Year End Date
Net proceeds from the issuance of common stock
Proceeds from Issuance of Common Stock
Walnut Creek, due 2023
Walnut Creek Energy, LLC, due in 2023 [Member]
Walnut Creek Energy, LLC, due in 2023 [Member]
Distribution, date payable
Dividends Payable, Date to be Paid
Thereafter
Lessor, Operating Lease, Payments to be Received, Thereafter
Conventional Generation
Conventional Generation [Member]
Conventional Generation [Member]
Total operating revenues
Operating revenues
Revenues
Derivative [Line Items]
Derivative [Line Items]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Intercompany transactions between Clearway Energy LLC and subsidiaries
Intercompany (Payments to) Receipts from Consolidated Subsidiaries
Intercompany (Payments to) Receipts from Consolidated Subsidiaries
Steam and chilled water capacity, megawatts thermal equivalent
Steam and Chilled Water Capacity, Megawatts Thermal Equivalent
The generation capacity of the entity's thermal power generation facilities as of the balance sheet date, expressed in megawatts thermal equivalent.
Carrying Amount
Reported Value Measurement [Member]
Other
Other Debt [Member]
Represents other debt instruments not separately accounted disclosed.
Net proceeds from the sales of units, Clearway Energy, Inc.
Stock Issued During Period, Value, New Issues
Utah Solar Portfolio, due 2022
Utah Solar Portfolio, due 2022 [Member]
Utah Solar Portfolio, due 2022 [Member]
Net property, plant and equipment
Net property, plant and equipment
Property, Plant and Equipment, Net
Carlsbad Holdco, due 2038
Carlsbad Holdco, due 2038 [Member]
Carlsbad Holdco, due 2038
Assets Leased to Others
Assets Leased to Others [Member]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate (LIBOR) [Member]
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Debt instrument, basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Total Assets
Total Assets
Assets
Marsh Landing, due 2023
Marsh Landing Term Loan Facility [Member]
Marsh Landing Term Loan Facility [Member]
Entity Shell Company
Entity Shell Company
Total lease liability
Operating Lease, Liability
Cover page.
Cover [Abstract]
Document Type
Document Type
NRG DGPV Holdco 2
NRG DGPV Holdco 2 [Member]
NRG DGPV Holdco 2 [Member]
Condensed Income Statements, Captions [Line Items]
Condensed Income Statements, Captions [Line Items]
Subsequent Event
Subsequent Event [Member]
Total Members' Equity
Balance, beginning of period
Balance, end of period
Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest
Variable Rate [Domain]
Variable Rate [Domain]
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member]
Nature of Business
Basis of Presentation [Line Items]
Basis of Presentation [Line Items]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair value of gross derivative assets/(liabilities), net
Fair Value of Gross Derivative Assets/(Liabilities), Net
Fair value of gross derivative assets less fair value of gross derivative liabilities.
2023
Lessee, Operating Lease, Liability, Payments, Due Year Four
Energy Revenue
Energy Revenue [Member]
Energy Revenue [Member]
Current Liabilities
Liabilities, Current [Abstract]
Capital contributions from tax equity investors, net of distributions, cash
Noncontrolling Interest, Increase from Subsidiary Equity Issuance
2025 Senior Notes
5.75% Senior Notes due 2025 [Member]
5.75% Senior Notes due 2025 [Member]
Accrued interest expense
Interest Payable
DGPV Holdco 1
DGPV Holdco 1 [Member]
DGPV Holdco 1 [Member]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Accounts payable — affiliate
Due to Affiliate, Current
Financial Instrument [Axis]
Financial Instrument [Axis]
Redeemable noncontrolling interest
Redeemable Noncontrolling Interest, Equity, Carrying Amount
Segment Reporting
Segment Reporting Disclosure [Text Block]
Commodity contracts current
Commodity Contract Current [Member]
The current portion of a derivative instrument whose primary underlying risk is tied to commodity prices.
Capacity Revenue
Capacity Revenue [Member]
Capacity Revenue [Member]
Segment Reporting
Segment Reporting Information [Line Items]
Document Quarterly Report
Document Quarterly Report
Interest rate contracts long-term
Interest Rate Contract Non Current [Member]
The noncurrent portion of a derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate.
Commitments and Contingencies
Commitments and Contingencies
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Energy Center Dover
Energy Center Dover [Member]
Energy Center Dover
Cash, Cash Equivalents and Restricted Cash at beginning of period
Cash, Cash Equivalents and Restricted Cash at end of period
Cash, cash equivalents and restricted cash shown in the statement of cash flows
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Loss on debt extinguishment
Loss on debt extinguishment
Gain (Loss) on Extinguishment of Debt
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Remainder of 2020
Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year
Class of Stock [Domain]
Class of Stock [Domain]
Tapestry, due 2031
Tapestry Wind LLC due in 2031 [Member]
Tapestry Wind LLC due in 2031 [Member]
Consolidation Items [Domain]
Consolidation Items [Domain]
Buyout of Wind TE Holdco noncontrolling interest
Payments to Acquire Additional Interest in Subsidiaries
Capital Unit, Class A
Capital Unit, Class A [Member]
Contract amortization
Capitalized Contract Cost, Amortization
Accounts receivable, total
Accounts Receivable, after Allowance for Credit Loss
2024
Lessor, Operating Lease, Payments to be Received, Five Years
Entity File Number
Entity File Number
Net assets less noncontrolling interests
Net Assets
Buckthorn Renewables, LLC
Buckthorn Renewables, LLC [Member]
Buckthorn Renewables, LLC [Member]
Senior notes
Senior Notes
Measurement Input, Commodity Forward Price
Measurement Input, Commodity Forward Price [Member]
Condensed Income Statement [Table]
Condensed Income Statement [Table]
2021
Lessor, Operating Lease, Payments to be Received, Two Years
Segments [Axis]
Business Segments [Axis]
Segments [Axis]
2022
Lessor, Operating Lease, Payments to be Received, Three Years
Cumulative effect from change in accounting principle
Cumulative Effect of New Accounting Principle in Period of Adoption
Document Fiscal Period Focus
Document Fiscal Period Focus
Financial Instruments [Domain]
Financial Instruments [Domain]
Development costs
Costs Incurred, Development Costs
Product and Service [Domain]
Product and Service [Domain]
Contributions, non-cash
Adjustments To Additional Paid In Capital, Distributions Paid Non-Cash, Net Of Contributions
Adjustments To Additional Paid In Capital, Distributions Paid Non-Cash, Net Of Contributions
Summary of Significant Accounting Policies [Table]
Summary of Significant Accounting Policies [Table]
Summary of Significant Accounting Policies [Table]
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Table]
Schedule of Variable Interest Entities
Schedule of Variable Interest Entities [Table Text Block]
Unrealized gain (loss) on derivatives
Change in unrealized losses included in earnings for derivatives held as of March 31, 2020
Unrealized Gain (Loss) on Derivatives
Operating Income
Operating income
Operating Income (Loss)
Beginning balance as of January 1, 2020
Ending balance as of March 31, 2020
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs
Measurement Frequency [Domain]
Measurement Frequency [Domain]
Segments [Domain]
Segments [Domain]
Statement
Statement [Line Items]
Hedging Designation [Domain]
Hedging Designation [Domain]
Total revenue from contracts with customers
Revenue from Contract with Customer, Excluding Assessed Tax
Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Other Comprehensive Loss
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Derivative asset fair value gross liability net of derivative liability fair value gross asset
Derivative Asset Fair Value Gross Liability Net Of Derivative Liability Fair Value Gross Asset
Derivative Asset Fair Value Gross Liability Net Of Derivative Liability Fair Value Gross Asset
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Amortization of intangibles and out-of-market contracts
Amortization of Intangibles and Out of Market Contracts
The aggregate (income) expense recorded in earnings to allocate the cost of out-of-market contracts and intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash (income) expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method.
Common stock, dividends, per share, declared (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Comprehensive Loss Attributable to Clearway Energy LLC
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Nature of Business [Table]
Nature of Business [Table]
Nature of Business [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Amendment Flag
Amendment Flag
Agua Caliente
Agua Caliente [Member]
Agua Caliente
Marsh Landing
Marsh Landing [Member]
Marsh Landing [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Condensed Statement of Income Captions [Line Items]
Condensed Statement of Income Captions [Line Items]
Interest expense
Interest expense
Interest Expense
Total non-current liabilities
Total non-current liabilities
Liabilities, Noncurrent
Class of Stock [Axis]
Class of Stock [Axis]
Condensed Statement of Comprehensive Income
Condensed Statement of Comprehensive Income [Table Text Block]
Wind TE Holdco LLC
Wind TE Holdco LLC [Member]
Wind TE Holdco LLC
Interest Expense
Interest Expense [Member]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Underlying Asset Class [Axis]
Underlying Asset Class [Axis]
Equity in (losses) earnings of unconsolidated affiliates
Equity in earnings (losses) of unconsolidated affiliates
Income (Loss) from Equity Method Investments
Alta Wind I-V, lease financing arrangement, due 2034 and 2035
Alta Wind I-V, lease financing arrangement, due 2034 and 2035 [Member]
Alta Wind I-V, lease financing arrangement, due 2034 and 2035 [Member]
Local Phone Number
Local Phone Number
Utah Solar Portfolio
UtahPortfolio [Member]
UtahPortfolio
RPV Holdco
RPV Holdco [Member]
RPV Holdco [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Total lease payments
Lessee, Operating Lease, Liability, Payments, Due
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments and Joint Ventures [Abstract]
Accounts receivable — trade
Accounts Receivable, after Allowance for Credit Loss, Current
Condensed Cash Flow Statements, Captions [Line Items]
Condensed Cash Flow Statements, Captions [Line Items]
Thermal
Thermal
Thermal [Member]
Represents Thermal segment of the entity.
Position [Domain]
Position [Domain]
Position [Axis]
Position [Axis]
Power generation capacity, megawatts
Power Generation Capacity, Megawatts
Power Generation Capacity, Megawatts
Depreciation, amortization and accretion
Depreciation, Amortization and Accretion, Net
2024 Senior Notes
5.375% Senior Notes due in 2024 [Member]
5.375% Senior Notes due in 2024 [Member]
Total other expense, net
Nonoperating Income (Expense)
Long-term Debt
Long-term Debt [Text Block]
Total other assets
Other current and non-current assets
Other Assets
Prepayments and other current assets
Prepaid Expense and Other Assets, Current
Weighted average remaining contract duration
Weighted Average Remaining PPA Term
Weighted Average Remaining PPA Term
Other Comprehensive Loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Less: Comprehensive loss attributable to noncontrolling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
El Segundo Energy Center, due 2023
El Segundo Energy Center, due 2023 [Member]
El Segundo Energy Center, due 2023 [Member]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Letters of credit outstanding, amount
Letters of Credit Outstanding, Amount
Total current assets
Total current assets
Assets, Current
Entity Current Reporting Status
Entity Current Reporting Status
Minimum Future Rent Payments under Operating Leases
Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]
Net Decrease in Cash, Cash Equivalents and Restricted Cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Other Liabilities
Liabilities, Noncurrent [Abstract]
Interest rate contracts current
Interest Rate Contract Current [Member]
The current portion of a derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate.
Net Loss Attributable to Clearway Energy LLC
Net Income (Loss) Attributable to Parent
Current Assets
Assets, Current [Abstract]
Operating Costs and Expenses
Operating Costs and Expenses [Abstract]
Leases [Abstract]
Leases [Abstract]
Debt Instrument [Axis]
Debt Instrument [Axis]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Amortization of financing costs and debt discounts . .
Amortization of Debt Issuance Costs and Discounts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AOCI Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Net Income (Loss)
Net loss
Net income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Percentage of interest acquired
Business Acquisition, Percentage of Voting Interests Acquired
Product and Service [Axis]
Product and Service [Axis]
Operating lease cost - Fixed
Operating Lease, Cost
Entity Small Business
Entity Small Business
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Due to affiliate
Due to Affiliate
Entity Filer Category
Entity Filer Category
Condensed Income Statement
Condensed Income Statement [Table Text Block]
GenConn
Gen Conn Energy LLC [Member]
Represents the information pertaining to GenConn Energy LLC.
Letter of Credit
Letter of Credit [Member]
Accrued expenses and other current liabilities
Other Accrued Liabilities, Current
Corporate
Corporate, Non-Segment [Member]
Thereafter
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Total Liabilities and Members’ Equity
Liabilities and Equity
Other Assets
Assets, Noncurrent [Abstract]
Entity Address, City or Town
Entity Address, City or Town
Equity in earnings (losses) of consolidated affiliates
Equity in Earnings of Consolidated Subsidiaries
This item represents the proportionate share of the parent in the earnings of the consolidated subsidiaries.
Impact of Derivative Instruments on the Statements of Operations
Derivative Instruments, Gain (Loss) [Table Text Block]
Receivable Type [Axis]
Receivable Type [Axis]
Less current maturities
Long-term Debt, Current Maturities
Long-term lease liabilities
Long-term lease liability - operating leases
Operating Lease, Liability, Noncurrent
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Capital Units by Class [Axis]
Capital Units by Class [Axis]
Restricted cash
Restricted Cash and Cash Equivalents, Current
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Members' Equity
Stockholders' Equity Attributable to Parent [Abstract]
Changes in Prepaid and Accrued Capacity Payments
Changes in Prepaid and Accrued Capacity Payments
Changes in Prepaid and Accrued Capacity Payments
Document Fiscal Year Focus
Document Fiscal Year Focus
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Estimated carrying values and fair values of the Company's recorded financial instruments
Fair Value, by Balance Sheet Grouping [Table Text Block]
Derivative liability
Derivative liability
Derivative Liability
Other Assets
Other Assets, Noncurrent [Abstract]
Fair Value Option, Disclosures
Fair Value Option, Disclosures [Table Text Block]
Operating Revenues
Revenues [Abstract]
Schedule of long-term debt
Schedule of Debt [Table Text Block]
Number of solar leases in portfolio
Number of Solar Leases in Portfolio
Number of Solar Leases in Portfolio
Clearway Energy, Inc.
Clearway Energy, Inc. [Member]
Clearway Energy, Inc. [Member]
Derivative, loss on derivative
Derivative, Loss on Derivative
Fair Value, Recurring
Fair Value, Recurring [Member]
Viento, due 2023
Viento Funding II, Inc., due in 2023 [Member]
Viento Funding II, Inc., due in 2023 [Member]
Cost of operations
Cost of Revenue
Eliminations
Consolidation, Eliminations [Member]
Derivative liability, fair value, gross asset
Derivative Liability, Fair Value, Gross Asset
Other income, net
Other Nonoperating Income (Expense)
Class of Stock [Line Items]
Class of Stock [Line Items]
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Other Income (Expense)
Costs and Expenses [Abstract]
Commodity contracts
Commodity Contract [Member]
Income allocation percentage
Income Allocation Percentage
Income Allocation Percentage
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Less: Loss attributable to noncontrolling interests
Less: Loss attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Cash paid for operating leases
Operating Lease, Payments
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Retained Earnings (Accumulated Deficit)
Retained Earnings [Member]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Accounts receivable — affiliate
Due from Affiliate, Current
Leases
Lessee, Operating Leases [Text Block]
Document Period End Date
Document Period End Date
Debt Service Obligations
Debt Service Obligations [Member]
Debt Service Obligations [Member]
Statement [Table]
Statement [Table]
Entity Registrant Name
Entity Registrant Name
Investment, Name [Domain]
Investment, Name [Domain]
Lessor, Lease, Description [Line Items]
Lessor, Lease, Description [Line Items]
Payments of dividends and distributions .
Payments of Dividends
Nature of Business Disclosure [Abstract]
Nature of Business Disclosure [Abstract]
-- None. No documentation exists for this element. --
Parent Company
Parent Company [Member]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Cash Flows from Investing Activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
High
Maximum
Maximum [Member]
Power Generation Facilities, Type [Domain]
Power Generation Facilities, Type [Domain]
Listing of power generation facilities included in the entity's total global generation portfolio.
Energy Related Derivative
Energy Related Derivative [Member]
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Insurance proceeds
Proceeds from Insurance Settlement, Investing Activities
2022
Lessee, Operating Lease, Liability, Payments, Due Year Three
Related Party [Domain]
Related Party [Domain]
Changes in derivative instruments
Increase (Decrease) in Derivative Assets and Liabilities
Common Class B
Common Class B [Member]
Remaining lease term
Remaining Lease Term
Remaining Lease Term
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Ownership [Axis]
Ownership [Axis]
Current portion of long-term debt — affiliate
Affiliate Current Debt
Affiliate Current Debt
Derivative liability measurement input
Derivative Asset (Liability) Net, Measurement Input
(Accumulated deficit) retained earnings
Retained Earnings (Accumulated Deficit)
Entity Tax Identification Number
Entity Tax Identification Number
Kansas South, due in 2030
Kansas South, due in 2030 [Member]
Kansas South, due in 2030 [Member]
Sale of assets percentage ownership interest sold
Sale Of Assets Percentage Ownership Interest Sold
Sale Of Assets Percentage Ownership Interest Sold
Revenue Recognition
Revenue [Policy Text Block]
Debt face amount
Debt Instrument, Face Amount
Reportable Legal Entities
Reportable Legal Entities [Member]
Valuation Technique, Discounted Cash Flow
Valuation Technique, Discounted Cash Flow [Member]
Limited liability company (LLC) or limited partnership (LP), members or limited partners, voting interest
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Voting Interest
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Voting Interest
Low
Minimum
Minimum [Member]
Return of investment from unconsolidated affiliates
Proceeds from Equity Method Investment, Distribution, Return of Capital
Renewables
Renewables [Member]
Renewables [Member]
Common Class A
Common Class A [Member]
Schedule of Restricted Cash
Restrictions on Cash and Cash Equivalents [Table Text Block]
Legal Entity [Axis]
Legal Entity [Axis]
Long
Long [Member]
Desert Sunlight
Desert Sunlight [Member]
Desert Sunlight
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Distributions from unconsolidated affiliates
Proceeds from Equity Method Investment, Distribution
Other revenue
Products And Services, Other [Member]
Products And Services, Other [Member]
Net Cash Used in Financing Activities
Net Cash Provided by (Used in) Financing Activities
Entity [Domain]
Entity [Domain]
2021
Lessee, Operating Lease, Liability, Payments, Due Year Two
Reclassified from accumulated OCL to income due to realization of previously deferred amounts
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
2023
Lessor, Operating Lease, Payments to be Received, Four Years
Derivative liability, fair value, gross liability
Derivative liability, fair value, gross liability
Derivative Liability, Fair Value, Gross Liability
Other non-current liabilities
Other Liabilities, Noncurrent
Guarantor Subsidiaries
Guarantor Subsidiaries [Member]
Common Class C
Common Class C [Member]
City Area Code
City Area Code
Distributions Made to Limited Liability Company (LLC) Member, by Distribution
Distributions Made to Limited Liability Company (LLC) Member, by Distribution [Table Text Block]
Distributions
Distributions [Policy Text Block]
Distributions [Policy Text Block]
Other
Payments for (Proceeds from) Other Investing Activities
Related Party [Axis]
Related Party [Axis]
Fair Value
Estimate of Fair Value Measurement [Member]
Fair Value Measurement Inputs and Valuation Techniques
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Counterparty Name [Axis]
Counterparty Name [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Distributions to tax equity investors, non-cash
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Derivative instruments
Derivative Liability, Current
Condensed Balance Sheet Statements, Captions [Line Items]
Condensed Balance Sheet Statements, Captions [Line Items]
RENOM
RENOM [Member]
RENOM [Member]
Maturities of Operating Lease Liabilities
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Long-term debt
Long-term Debt, Gross
ASSETS
Assets [Abstract]
Percent of derivative liabilities using level 3 fair value inputs
Percent of Derivative Liabilities Using Level 3 Fair Value Inputs
Percent of Derivative Liabilities Using Level 3 Fair Value Inputs
Weighted average remaining lease term (in years)
Operating Lease, Weighted Average Remaining Lease Term
Total lease cost
Lease, Cost
Capital Unit, Class [Domain]
Capital Unit, Class [Domain]
Cash Flows from Operating Activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Oahu Solar Holdings LLC, due 2026
Oahu Solar Holdings LLC, due 2026 [Member]
Oahu Solar Holdings LLC, due 2026 [Member]
Lease revenue
Operating Lease, Lease Income
Equity Method Investments
Equity Method Investments [Table Text Block]
Intercompany Note with Clearway Energy, Inc.
Intercompany Note With Clearway Energy, Inc. [Member]
Intercompany Note With Clearway Energy, Inc.
Lease Agreements
Lease Agreements [Member]
Proceeds from sale of assets .
Proceeds from Sales of Assets, Investing Activities
Schedule of Segment Reporting Information, by Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Revenue Related to Leases
Lessor Revenue [Table Text Block]
Lessor Revenue [Table Text Block]
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Less imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Energy Center Minneapolis Series D, E, F, G, H Notes, due 2023-2037
Energy Center Minneapolis Series D, E, F, G, H Notes [Member]
Energy Center Minneapolis Series D, E, F, G, H Notes [Member]
Repayments of debt
Repayments of Debt
Measurement Basis [Axis]
Measurement Basis [Axis]
Repowering Partnership LLC
Repowering Partnership LLC [Member]
Repowering Partnership LLC [Member]
Intangible assets, net
Intangible assets, net
Finite-Lived Intangible Assets, Net
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Power
Power [Member]
Details pertaining to the power, which is considered as a derivative commodity.
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Schedule of Cash and Cash Equivalents
Schedule of Cash and Cash Equivalents [Table Text Block]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income Statement Location [Domain]
Income Statement Location [Domain]
Related arty transaction, expenses from transactions with related party
Related Party Transaction, Expenses from Transactions with Related Party
Natural Gas
Natural Gas [Member]
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Payments for long-term debt — affiliate
Repayments of Related Party Debt
Loss on sale of assets components
Gain (Loss) on Disposition of Property Plant Equipment
Buckthorn Solar, due 2025
Buckthorn Solar, due 2025 [Member]
Buckthorn Solar, due 2025 [Member]
Weighted average discount rate (as a percentage)
Operating Lease, Weighted Average Discount Rate, Percent
Subtotal project-level debt
Project Level Debt [Member]
Project Level Debt [Member]
Contributed capital
Members' Capital
Kawailoa Solar Holdings LLC, due 2026
Kawailoa Solar Holdings LLC, due 2026 [Member]
Kawailoa Solar Holdings LLC, due 2026 [Member]
Condensed Statement of Comprehensive Income [Table]
Condensed Statement of Comprehensive Income [Table]
PG&E
PG&E [Member]
PG&E [Member]
Other cash equivalents, at carrying value
Other Cash Equivalents, at Carrying Value
Kawailoa Solar Partnership LLC
Kawailoa Solar Partnership LLC [Member]
Kawailoa Solar Partnership LLC [Member]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Derivative, notional amount
Derivative, Notional Amount
Redemption premium, percentage
Debt Instrument, Redemption Price, Percentage
Long-term debt — affiliate, due 2020
Intercompany Credit Agreement due 2020 [Member]
Intercompany Credit Agreement due 2020 [Member]
Unrealized loss on derivatives
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Economic Interest
Equity Method Investment, Ownership Percentage
Elkhorn Ridge
Elkhorn Ridge [Member]
Elkhorn Ridge
Total losses for the period included in earnings
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings
Nature of Business
Business Description and Basis of Presentation [Text Block]
Operating lease cost - Variable
Variable Lease, Cost
Investment, Name [Axis]
Investment, Name [Axis]
Intangible Assets Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Spring Canyon
Spring Canyon [Member]
Spring Canyon [Member]
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Entity Central Index Key
Entity Central Index Key
Entity Emerging Growth Company
Entity Emerging Growth Company
Noncontrolling Interest
Noncontrolling Interest [Member]
Short-term lease liability - operating leases
Operating Lease, Liability, Current
CVSR, due 2037
CVSR Financing Agreement [Member]
CVSR Financing Agreement [Member]
Proceeds from the revolving credit facility
Proceeds from Lines of Credit
Changes in other working capital
Increase (Decrease) in Other Operating Assets and Liabilities, Net
2028 Senior Notes
4.75% Senior Notes due 2028 [Member]
4.75% Senior Notes due 2028
Derivative Instruments and Hedging Activities
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Long-term debt — external
Long-term Debt, Excluding Current Maturities
Losses expected to be realized from OCL during the next 12 months
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Derivative [Table]
Derivative [Table]
Laredo Ridge, due 2028
Laredo Ridge Wind, LLC, due in 2028 [Member]
Laredo Ridge Wind, LLC, due in 2028 [Member]
Commodity contracts long-term
Commodity Contract Long-Term [Member]
Commodity Contract Long-Term [Member]
Remainder of 2020
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
Level 2
Fair Value, Inputs, Level 2 [Member]
Distribution, date of record
Dividends Payable, Date of Record
Mark-to-market for economic hedges
Revenue, Mark-to-market Hedging Activities
Revenue, Mark-to-market Hedging Activities
South Trent, due 2028
South Trent Due 2028 [Member]
South Trent Due 2028 [Member]
Effects of NRG Yield's accumulated OCI balance attributable to interest rate swaps designated as cash flow hedge derivatives, net of tax
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Taxable income allocation, pre-flip
Taxable Income Allocation, Pre-Flip
Taxable Income Allocation, Pre-Flip
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Elbow Creek TE Holdco
Elbow Creek TE Holdco [Member]
Elbow Creek TE Holdco
LIABILITIES AND MEMBERS' EQUITY
Liabilities and Equity [Abstract]
Total lease payments
Lessor, Operating Lease, Payments to be Received
Other non-current assets
Other Assets, Noncurrent
Purchases
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases
Cash Flows from Financing Activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Other comprehensive loss
Other Comprehensive Income (Loss), Net of Tax
Derivative asset, fair value, amount fffset against collateral net of derivative liability, fair value, amount offset against collateral
Derivative Asset, Fair Value, Amount Offset Against Collateral Net Of Derivative Liability, Fair Value, Amount Offset Against Collateral
Derivative Asset, Fair Value, Amount Offset Against Collateral Net Of Derivative Liability, Fair Value, Amount Offset Against Collateral
Derivative Contract [Domain]
Derivative Contract [Domain]
Long-term debt
Long-term Debt
Segment Reporting
Segment Reporting, Policy [Policy Text Block]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Capital expenditures
Payments to Acquire Property, Plant, and Equipment
2024
Lessee, Operating Lease, Liability, Payments, Due Year Five
Contract Asset and Liability
Contract with Customer, Asset and Liability [Table Text Block]
Investments Accounted for by the Equity Method and Variable Interest Entities
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Leases
Lessor, Operating Leases [Text Block]
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Axis]
Derivative asset
Derivative Asset
Long-term debt, including current portion
Long-term Debt and Lease Obligation, Including Current Maturities
Alta X and XI TE Holdco
Alta X and XI TE Holdco [Member]
Alta X and XI TE Holdco [Member]
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Proceeds from long-term debt — affiliate
Proceeds from Related Party Debt
Contributed Capital
Additional Paid-in Capital [Member]
Derivative, nonmonetary notional amount
Derivative, Nonmonetary Notional Amount, Energy Measure
San Juan Mesa
San Juan Mesa [Member]
San Juan Mesa
Cash Distribution
Cash Distribution [Member]
Receivable [Domain]
Receivable [Domain]
Distributions per Class A, B, C, and D (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Customer Contracts
Customer Contracts [Member]
Proceeds from the issuance of long-term debt . . . . .
Proceeds from Issuance of Other Long-term Debt
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Debt instrument, interest rate, stated percentage
Debt Instrument, Interest Rate, Stated Percentage
Valuation Approach and Technique [Domain]
Valuation Approach and Technique [Domain]
Entity Address, Address Line One
Entity Address, Address Line One
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Property, plant and equipment
Property, Plant and Equipment, Gross
Business Combinations [Abstract]
Business Combinations [Abstract]
Lessor, Lease, Description [Table]
Lessor, Lease, Description [Table]
Other
Other Consolidated Variable Interest Entities [Member]
Other Consolidated Variable Interest Entities
Payments of dividends and distributions .
Payments of (Proceeds from) distributions
Payments of (Proceeds from) distributions
Entity Address, State or Province
Entity Address, State or Province
Income Statement Location [Axis]
Income Statement Location [Axis]
Business Acquisition [Axis]
Business Acquisition [Axis]
Operating Segments
Operating Segments [Member]
Carlsbad Energy Holdings LLC, due 2027 and 2038
Carlsbad Energy Holdings LLC, due 2027 [Member]
Carlsbad Energy Holdings LLC, due 2027
Weighted Average
Weighted Average [Member]
Net Cash Used in Investing Activities
Net Cash Provided by (Used in) Investing Activities
Current Debt Service Payments
Long Term Debt Current [Member]
Long Term Debt Current [Member]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Related Party Transaction
Related Party Transaction [Line Items]
Purpose [Axis]
Purpose [Axis]
Purpose [Axis]
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind [Member]
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind [Member]
Redeemed aggregate principal amount
Debt Instrument, Repurchased Face Amount
Investment in consolidated subsidiaries
Investments In Subsidiaries
Investments In Subsidiaries
Net notional volume buy/(sell) of NRG Yield's open derivative transactions broken out by commodity
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Business combination, consideration transferred
Business Combination, Consideration Transferred
Derivative instruments
Derivative Liability, Noncurrent
DGPV Holdco 3
DGPV Holdco 3 [Member]
DGPV Holdco 3 [Member]
Non-Guarantor Subsidiaries
Non-Guarantor Subsidiaries [Member]
Operating Funds
Operating Funds [Member]
Operating Funds [Member]
CEG
CEG [Member]
CEG [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Accounts payable — trade
Accounts Payable, Current
General and administrative
General and Administrative Expense
Tax Equity Investors
Tax Equity Investors [Member]
Tax Equity Investors [Member]
Wildorado TE Holdco
Wildorado TE Holdco [Member]
Wildorado TE Holdco
Condensed Consolidating Financial Information Disclosure [Abstract]
Condensed Consolidating Financial Information Disclosure [Abstract]
-- None. No documentation exists for this element. --
Mark-to-market of cash flow hedge accounting contracts
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Power Generation Facilities by Type [Axis]
Power Generation Facilities by Type [Axis]
The types of power generation facilities included in the entity's total global generation portfolio.
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Condensed Balance Sheet Statement [Table]
Condensed Balance Sheet Statement [Table]
Accounts receivable, noncurrent
Accounts Receivable, Related Parties, Noncurrent
Entity Interactive Data Current
Entity Interactive Data Current
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Total operating costs and expenses
Costs and Expenses
Clearway Energy LLC
Clearway Energy LLC [Member]
Clearway Energy LLC [Member]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Inventory
Inventory, Net
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Duquesne, due 2059
Duquesne Due 2059 [Member]
Duquesne Due 2059 [Member]
Public Shareholders
Public Shareholders [Member]
Public Shareholders
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Offsetting of derivatives by counterparty master agreement level and collateral received or paid
Offsetting Liabilities [Table Text Block]
Non-current assets
Assets, Noncurrent
Property, Plant and Equipment Accumulated Depreciation
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Summary of Significant Accounting Policies [Line Items]
Summary of Significant Accounting Policies [Line Items]
[Line Items] for Summary of Significant Accounting Policies [Table]
Avenal
Avenal [Member]
Avenal
Contingencies
Commitments and Contingencies Disclosure [Text Block]
Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, due 2023
Revolving Credit Facility
Revolving Credit Facility [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Hedging Designation [Axis]
Hedging Designation [Axis]
Ownership [Domain]
Ownership [Domain]
Property, Plant and Equipment, Net
Lessor, Operating Leases, Property, Plant and Equipment [Table Text Block]
Lessor, Operating Leases, Property, Plant and Equipment [Table Text Block]
Noncontrolling interest
Members' Equity Attributable to Noncontrolling Interest
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Liabilities
Total Liabilities
Liabilities
Condensed Consolidating Financial Information
Condensed Financial Statements [Text Block]
Reclassification
Reclassification, Policy [Policy Text Block]
Solar Facilities
Solar Facilities [Member]
Solar Facilities [Member]
Limited liability company or limited partnership, members or limited partners, ownership interest
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest
Fair value within the derivative instrument valuation on the balance sheets
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
Counterparty Name [Domain]
Counterparty Name [Domain]
Buyout of Wind TE Holdco noncontrolling interest.
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests
Acquisitions and Dispositions
Mergers, Acquisitions and Dispositions Disclosures [Text Block]
Distributions paid
Limited Partners' Capital Account, Distribution Amount
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Purpose [Domain]
Purpose [Domain]
[Domain] for Purpose [Axis]
Alpine, due 2022
Alpine Financing Agreement, due 2022 [Member]
Alpine Financing Agreement, due 2022 [Member]
Cash and cash equivalents
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Payments for long-term debt — external
Repayments of Other Long-term Debt
Right of use assets, net
ROU Assets - operating leases, net
Operating Lease, Right-of-Use Asset
Equity Components [Axis]
Equity Components [Axis]
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Restricted Cash and Cash Equivalents [Axis]
Restricted Cash and Cash Equivalents [Axis]
Third Party Investor
Third Party Investor [Member]
Third Party Investor [Member]
Investments in unconsolidated affiliates
Investments in unconsolidated affiliates
Payments to Acquire Equity Method Investments
Transaction and integration costs
Acquisition-related transaction and integration costs
Business Combination, Acquisition Related Costs
Membership interests
Stockholders' Equity Attributable to Parent
Underlying Asset Class [Domain]
Underlying Asset Class [Domain]
2026 Senior Notes
5.00% Senior Notes due in 2026 [Member]
5.00% Senior Notes due in 2026 [Member]
Fair value assets, measured on recurring basis, valuation techniques, impact of credit reserve to fair value
Fair Value Assets, Measured on Recurring Basis, Valuation Techniques, Impact of Credit Reserve to Fair Value
This element represents the increase (decrease) to fair value from applying a credit reserve to reflect credit risk on the valuation techniques used to measure fair value of Level 2 and 3 derivative contracts which is calculated based on credit default swaps.
Contributions, cash
Noncontrolling Interest, Increase from Sale of Parent Equity Interest
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Subsidiary Issuer
Subsidiary Issuer [Member]
Noncontrolling Interest
AOCI Attributable to Noncontrolling Interest [Member]
Common Class D
Common Class D [Member]
Common Class D [Member]
Net contributions from noncontrolling interests
Proceeds from (Payments to) Noncontrolling Interests
Short
Short [Member]
Lease Cost
Lease, Cost [Table Text Block]
Depreciation, amortization and accretion
Depreciation and amortization
Depreciation, Depletion and Amortization
Variable Rate [Axis]
Variable Rate [Axis]
Schedule of Accumulated Depreciation and Amortization
Schedule of Accumulated Depreciation and Amortization [Table Text Block]
Schedule of Accumulated Depreciation and Amortization [Table Text Block]
Partnership interest acquisition
Payments to Acquire Limited Partnership Interests
Clearway Energy Organizational Structure
Organizational Structure [Table Text Block]
Org Structure [Table Text Block]
Equity investments in affiliates
Equity Method Investments
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Comprehensive Loss
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Net Cash Provided by Operating Activities
Net Cash Provided by (Used in) Operating Activities
Net Cash Provided by (Used in) Operating Activities
Equity Component [Domain]
Equity Component [Domain]
CWSP Wildorado Elbow Holding LLC
CWSP Wildorado Elbow Holding LLC [Member]
CWSP Wildorado Elbow Holding LLC
Document Transition Report
Document Transition Report
Less net debt issuance costs
Debt Issuance Costs, Net
Transfer of funds under intercompany cash management arrangement
Proceeds from Payments to Intercompany Loans
The cash inflow or outflow associated with intercompany loans for related parties.
Oahu Solar Partnership
Oahu Solar Partnership [Member]
Oahu Solar Partnership [Member]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Not Designated as Hedging Instrument
Not Designated as Hedging Instrument [Member]
Distribution, date declared
Dividends Payable, Date Declared
Income Statement [Abstract]
Income Statement [Abstract]
Condensed Balance Sheet
Condensed Balance Sheet [Table Text Block]
Interest
Interest [Member]
Details pertaining to interest rate swaps which are considered a derivative commodity.
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Interest rate contracts
Interest Rate Contract [Member]