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Cover
Cover
Audit Information
Financial Statements
CONSOLIDATED STATEMENTS OF OPERATIONS
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS)/INCOME
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF CASH FLOWS
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)
Notes to Financial Statements
Nature of Business
Summary of Significant Accounting Policies
Revenue Recognition
Acquisitions and Dispositions
Fair Value of Financial Instruments
Accounting for Derivative Instruments and Hedging Activities
Nuclear Decommissioning Trust Fund
Inventory
Property, Plant and Equipment
Leases
Asset Impairments
Goodwill and Other Intangibles
Long-term Debt and Finance Leases
Asset Retirement Obligations
Benefit Plans and Other Postretirement Benefits
Capital Structure
Investments Accounted for by the Equity Method and Variable Interest Entities
(Loss)/Income Per Share
Segment Reporting
Income Taxes
Stock-Based Compensation
Related Party Transactions
Commitments and Contingencies
Regulatory Matters
Environmental Matters
Cash Flow Information
Guarantees
Jointly Owned Plant
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
Pay vs Performance Disclosure
Insider Trading Arrangements
Accounting Policies
Summary of Significant Accounting Policies (Policies)
Notes Tables
Summary of Significant Accounting Policies (Tables)
Revenue Recognition (Tables)
Acquisitions and Dispositions (Tables)
Fair Value of Financial Instruments (Tables)
Accounting for Derivative Instruments and Hedging Activities (Tables)
Nuclear Decommissioning Trust Fund (Tables)
Inventory (Tables)
Property, Plant and Equipment (Tables)
Leases (Tables)
Goodwill and Other Intangibles (Tables)
Long-term Debt and Finance Leases (Tables)
Asset Retirement Obligations (Tables)
Benefit Plans and Other Postretirement Benefits (Tables)
Capital Structure (Tables)
Investments Accounted for by the Equity Method and Variable Interest Entities (Tables)
(Loss)/Income Per Share (Tables)
Segment Reporting (Tables)
Income Taxes (Tables)
Stock-Based Compensation (Tables)
Related Party Transactions (Tables)
Commitments and Contingencies (Tables)
Cash Flow Information (Tables)
Guarantees (Tables)
Jointly Owned Plant (Tables)
Notes Details
Nature of Business (Details)
Summary of Significant Accounting Policies - Error Correction (Details)
Summary of Significant Accounting Policies - Narrative (Details)
Summary of Significant Accounting Policies - Activity in the Allowance for Credit Losses (Details)
Summary of Significant Accounting Policies - Credit Losses Narrative (Details)
Summary of Significant Accounting Policies - Restricted Cash (Details)
Summary of Significant Accounting Policies - Vivint Flex Pay and Capitalized Contract Costs (Details)
Revenue Recognition - Retail Revenue (Details)
Revenue Recognition - Performance Obligations (Details)
Revenue Recognition - Disaggregated Revenues (Details)
Revenue Recognition - Contract Balances (Details)
Revenue Recognition - Narrative (Details)
Acquisitions and Dispositions - Acquisitions (Details)
Acquisitions and Dispositions - Consideration (Details)
Acquisitions and Dispositions - Vivint Purchase Price Allocation (Details)
Acquisitions and Dispositions - Supplemental Pro Forma Financial Information (Details)
Acquisitions and Dispositions - Direct Energy Purchase Price Allocation (Details)
Acquisitions and Dispositions - Dispositions Narrative (Details)
Acquisitions and Dispositions - Income Before Income Taxes From Equity Interest in STP (Details)
Fair Value of Financial Instruments - Estimated Carrying Amounts and Fair Value of Long-term Debt (Details)
Fair Value of Financial Instruments - Assets and Liabilities Measured and Recorded at Fair Value (Details)
Fair Value of Financial Instruments - Reconciliation of Level 3 Financial Instruments (Details)
Fair Value of Financial Instruments - Contractual Obligations From the Consumer Financing Program (Details)
Fair Value of Financial Instruments - Derivative Fair Value Measurements Narrative (Details)
Fair Value of Financial Instruments - Significant Unobservable Inputs Used in Fair Value of Level 3 Positions (Details)
Fair Value of Financial Instruments - Counterparty Credit Risk (Details)
Fair Value of Financial Instruments - Retail Customer Credit Risk (Details)
Accounting for Derivative Instruments and Hedging Activities - Narrative (Details)
Accounting for Derivative Instruments and Hedging Activities - Net Notional Volume Buy/Sell of Open Derivative Transactions (Details)
Accounting for Derivative Instruments and Hedging Activities - Fair Value Within the Derivative Instrument Valuation (Details)
Accounting for Derivative Instruments and Hedging Activities - Offsetting of Derivatives by Counterparty Master Agreement Level and Collateral Received (Details)
Accounting for Derivative Instruments and Hedging Activities - Pre-tax Effects of Economic Hedges not Designated as Cash Flow Hedges (Details)
Nuclear Decommissioning Trust Fund - Summary of Aggregate Fair Values and Realized Gains and Losses (Details)
Nuclear Decommissioning Trust Fund - Summary of Proceeds from Sale of Available-for-sale Securities (Details)
Inventory (Details)
Property, Plant and Equipment (Details)
Leases - Lease Cost and Other Information (Details)
Leases - Annual Payments Based on the Maturities of Leases (Details)
Asset Impairments (Details)
Goodwill and Other Intangibles - Changes in Goodwill (Details)
Goodwill and Other Intangibles - Components of Intangible Assets Subject to Amortization (Details)
Goodwill and Other Intangibles - Schedule of Amortization and Retirement of Intangible Assets (Details)
Goodwill and Other Intangibles - Schedule of Estimated Amortization of Intangible Asset for the Next Five Years (Details)
Goodwill and Other Intangibles - Narrative (Details)
Long-term Debt and Finance Leases - Schedule of Long-term Debt and Finance Leases (Details)
Long-term Debt and Finance Leases - Annual Payments Based on the Maturities of Debt and Capital Leases (Details)
Long-term Debt and Finance Leases - Revolving Credit Facility (Details)
Long-term Debt and Finance Leases - Senior Notes Issuance and Redemptions (Details)
Long-term Debt and Finance Leases - Senior Notes Redemptions (Details)
Long-term Debt and Finance Leases - Issuance of Convertible Senior Notes (Details)
Long-term Debt and Finance Leases - Interest Expense in Connection with Convertible Senior Notes, due 2048 (Details)
Long-term Debt and Finance Leases - Senior Notes Outstanding with Early Redemption Features (Details)
Long-term Debt and Finance Leases - Senior Notes Redemption Period (Details)
Long-term Debt and Finance Leases - Receivables Securitizations and Repurchase Facility (Details)
Long-term Debt and Finance Leases - Bilateral Letter of Credit Facilities (Details)
Long-term Debt and Finance Leases - Tax Exempt Bonds (Details)
Long-term Debt and Finance Leases - Dunkirk Bonds (Details)
Long-term Debt and Finance Leases - Pre-Capitalized Trust Securities Facility (Details)
Long-term Debt and Finance Leases - Vivint Smart Home Acquired Debt (Details)
Long-term Debt and Finance Leases - Vivint Senior Notes Redemption Period (Details)
Asset Retirement Obligations (Details)
Benefit Plans and Other Postretirement Benefits - Narrative (Details)
Benefit Plans and Other Postretirement Benefits - Net Benefit Costs and Funded Status (Details)
Benefit Plans and Other Postretirement Benefits - Amounts Recognized in the Balance Sheets and OCI (Details)
Benefit Plans and Other Postretirement Benefits - Fair Values of Pension Assets by Asset Category and Level Within the Fair Value Hierarchy (Details)
Benefit Plans and Other Postretirement Benefits - Expected Future Benefit Payments for the Next Five Years and Other (Details)
Capital Structure - Narrative (Details)
Capital Structure - Changes in NRG's Common Stock Issued and Outstanding (Details)
Capital Structure - Common Stock, Share Repurchases and Retirement of Treasury Stock (Details)
Capital Structure - Summary of Changes in Shares Repurchased (Details)
Capital Structure - Preferred Stock (Details)
Investments Accounted for by the Equity Method and Variable Interest Entities - Summary of Equity Method Investments and Undistributed Earnings (Details)
Investments Accounted for by the Equity Method and Variable Interest Entities - Other Equity Investments (Details)
Investments Accounted for by the Equity Method and Variable Interest Entities - Summarized Financial Information (Details)
(Loss)/Income Per Share- Basic and Diluted EPS (Details)
(Loss)/Income Per Share - Narrative (Details)
Segment Reporting (Details)
Income Taxes - Income Tax Provision (Details)
Income Taxes - Deferred Tax Assets and Liabilities (Details)
Income Taxes - Narrative for Deferred Tax Assets and Valuation Allowance, Taxes Receivable and Payable (Details)
Income Taxes - Reconciliation of Uncertain Tax Benefits (Details)
Stock-Based Compensation - Long-Term Incentive Plan (Details)
Stock-Based Compensation - Restricted Stock Units (RSUs) (Details)
Stock-Based Compensation - Deferred Stock Units (DSUs) (Details)
Stock -Based Compensation - Performance Stock Units, RPSUs Plan Description (Details)
Stock-Based Compensation - Relative Performance Stock Units (Details)
Stock-Based Compensation - Vivint Long-Term Incentive Plan Narrative (Details)
Stock-Based Compensation - Summary of Vivint RSUs (Details)
Stock-Based Compensation - PSUs Granted Under Vivint LTIP (Details)
Stock-Based Compensation - Supplemental Information (Details)
Related Party Transactions - Summary of Material Related Party Transactions with Third Party Affiliates (Details)
Commitments and Contingencies - Minimum Commitments Under Outstanding Agreements (Details)
Commitments and Contingencies - Narrative (Details)
Regulatory Matters (Details)
Environmental Matters (Details)
Cash Flow Information (Details)
Guarantees - Schedule of Maximum Potential Exposure (Details)
Guarantees - Narrative (Details)
Jointly Owned Plant (Details)
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details)
Uncategorized
Uncategorized Items - nrg-20231231_htm.xml
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