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Accounting for Derivative Instruments and Hedging Activities
 6 Months Ended
Jun. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Accounting for Derivative Instruments and Hedging Activities Accounting for Derivative Instruments and Hedging Activities
Energy-Related Commodities
As of June 30, 2025, NRG had energy-related derivative instruments extending through 2036. The Company marks these derivatives to market through the consolidated statement of operations. NRG has executed energy-related contracts extending through 2037 that qualified for the NPNS exception and were therefore exempt from fair value accounting treatment.
On October 1, 2024, the Company elected NPNS for certain existing derivative contracts. Upon election of NPNS, the Company discontinued derivative accounting treatment and will no longer remeasure the derivative contracts at fair value each reporting period. The fair values of these derivative contracts were frozen as of October 1, 2024 and the Company is derecognizing the fair values to earnings at the same time as the contracts mature. The values of these contracts are included in Derivative instruments captions in the Consolidated Balance Sheets. Subsequent to the election date, costs associated with these contracts will be recorded when the underlying physical transaction is delivered. These derivative contracts extend through 2036.
Interest Rate Derivatives
NRG is exposed to changes in interest rates through the Company's issuance of debt. To mitigate the Company's interest rate risk, NRG enters into interest rate derivatives, including swaps and treasury locks. As of June 30, 2025, the Company had $700 million of interest rate swaps extending through 2029 to mitigate the risk of the floating rate of the Term Loan B. In July 2025, the Company entered into treasury locks with a total notional amount of $1.4 billion.
Foreign Exchange Contracts
NRG is exposed to changes in foreign currency primarily associated with the purchase of U.S. dollar denominated natural gas for its Canadian business. To manage the Company's foreign exchange risk, NRG entered into foreign exchange contracts. As of June 30, 2025, NRG had foreign exchange contracts extending through 2028. The Company marks these derivatives to market through the consolidated statement of operations.
Consumer Financing Program
Under the Consumer Financing Program, Vivint Smart Home pays a monthly fee to financing providers based on either the average daily outstanding balance of the loans or the number of outstanding loans. For certain loans, Vivint Smart Home incurs fees at the time of the loan origination and receives proceeds that are net of these fees. Vivint Smart Home also shares the liability for credit losses, depending on the credit quality of the customer. Due to the nature of certain provisions under the Consumer Financing Program, the Company records a derivative liability that is not designated as a hedging instrument and is adjusted to fair value, measured using the present value of the estimated future payments. Changes to the fair value are recorded through other income, net in the consolidated statement of operations. The following represent the contractual future payment obligations with the financing providers under the Consumer Financing Program that are components of the derivative:
•    Vivint Smart Home pays either a monthly fee based on the average daily outstanding balance of the loans, or the number of outstanding loans, depending on the financing provider;
•    Vivint Smart Home shares the liability for credit losses depending on the credit quality of the customer; and
•    Vivint Smart Home pays transactional fees associated with customer payment processing.
The derivative is classified as a Level 3 instrument. The derivative positions are valued using a discounted cash flow model, with inputs consisting of available market data, such as market yield discount rates, as well as unobservable internally derived assumptions, such as collateral prepayment rates, collateral default rates and credit loss rates. In summary, the fair value represents an estimate of the present value of the cash flows Vivint Smart Home will be obligated to pay to the financing providers for each component of the derivative.
Volumetric Underlying Derivative Transactions
The following table summarizes the net notional volume buy/(sell) of NRG's open derivative transactions broken out by category, excluding those derivatives that qualified for the NPNS exception, as of June 30, 2025 and December 31, 2024. Option contracts are reflected using delta volume. Delta volume equals the notional volume of an option adjusted for the probability that the option will be in-the-money at its expiration date.
  Total Volume (In millions)
CategoryUnitsJune 30, 2025December 31, 2024
EmissionsShort Ton1 1 
Renewable Energy CertificatesCertificates13 13 
CoalShort Ton10 10 
Natural GasMMBtu691 861 
PowerMWh88 91 
InterestDollars700 700 
Foreign ExchangeDollars350 410 
Consumer Financing ProgramDollars1,340 1,219 
Fair Value of Derivative Instruments
The following table summarizes the fair value within the derivative instrument valuation on the balance sheets:
 Fair Value
 Derivative AssetsDerivative Liabilities
(In millions)June 30, 2025December 31, 2024June 30, 2025December 31, 2024
Derivatives Not Designated as Cash Flow or Fair Value Hedges:   
Interest rate contracts - current$— $— $3 $3 
Interest rate contracts - long-term— 9 4 — 
Foreign exchange contracts - current3 15 1 — 
Foreign exchange contracts - long-term— 7 2 1 
Commodity contracts - current2,020 2,295 1,738 2,067 
Commodity contracts - long-term1,193 1,073 1,077 903 
Consumer Financing Program - current— — 147 137 
Consumer Financing Program - long-term— — 110 66 
Derivatives Not Designated as Cash Flow or Fair Value Hedges$3,216 $3,399 $3,082 $3,177 
Deferred gains/losses on NPNS contracts - current309 376 65 90 
Deferred gains/losses on NPNS contracts - long-term552 621 80 137 
Deferred gains/losses on NPNS contracts(a)
$861 $997 $145 $227 
Total Derivatives Not Designated as Cash Flow or Fair Value Hedges$4,077 $4,396 $3,227 $3,404 
(a)Balances related to certain derivative contracts that were previously accounted for as derivative contracts prior to the election of the NPNS exemption and the discontinuance of derivative accounting treatment as of the election date
The Company has elected to present derivative assets and liabilities on the consolidated balance sheet on a trade-by-trade basis and does not offset amounts at the counterparty master agreement level. In addition, collateral received or paid on the Company's derivative assets or liabilities are recorded on a separate line item on the consolidated balance sheet. The following table summarizes the offsetting of derivatives by counterparty master agreement level and collateral received or paid:
Gross Amounts Not Offset in the Statement of Financial Position
(In millions)Gross Amounts of Recognized Assets / LiabilitiesDerivative InstrumentsCash Collateral (Held)/PostedNet Amount
As of June 30, 2025
Interest rate contracts:
Derivative liabilities$(7)$— $— $(7)
Foreign exchange contracts:
Derivative assets$3 $(2)$— $1 
Derivative liabilities(3)2 — (1)
Total foreign exchange contracts$— $— $— $— 
Commodity contracts:
Derivative assets$4,074 $(2,799)$(381)$894 
Derivative liabilities(2,960)2,799 35 (126)
Total commodity contracts$1,114 $— $(346)$768 
Consumer Financing Program:
Derivative liabilities$(257)$— $— $(257)
Total derivative instruments$850 $— $(346)$504 
Gross Amounts Not Offset in the Statement of Financial Position
(In millions)Gross Amounts of Recognized Assets / LiabilitiesDerivative InstrumentsCash Collateral (Held)/PostedNet Amount
As of December 31, 2024
Interest rate contracts:
Derivative assets$9 $(3)$— $6 
Derivative liabilities(3)3 — — 
Total interest rate contracts$6 $— $— $6 
Foreign exchange contracts:
Derivative assets$22 $(1)$— $21 
Derivative liabilities(1)1 — — 
Total foreign exchange contracts$21 $— $— $21 
Commodity contracts:
Derivative assets$4,365 $(2,992)$(168)$1,205 
Derivative liabilities(3,197)2,992 61 (144)
Total commodity contracts$1,168 $— $(107)$1,061 
Consumer Financing Program:
Derivative liabilities$(203)$— $— $(203)
Total derivative instruments$992 $— $(107)$885 
Impact of Derivative Instruments on the Statements of Operations
Unrealized gains and losses associated with changes in the fair value of derivative instruments not accounted for as cash flow and fair value hedges are reflected in current period results of operations.
The following table summarizes the pre-tax effects of economic hedges that have not been designated as cash flow hedges or fair value hedges and trading activity on the Company's consolidated statement of operations. The effect of foreign exchange and commodity hedges are included within revenues and cost of operations. The effect of the interest rate contracts are included within interest expense. The effect of the Consumer Financing Program is included in other income, net.

(In millions)Three months ended June 30,Six months ended June 30,
Unrealized mark-to-market results2025202420252024
Reversal of previously recognized unrealized losses/(gains) on settled positions related to economic hedges(a)
$120 $209 $(98)$453 
Reversal of acquired loss positions related to economic hedges
9 17 5 5 
Net unrealized (losses)/gains on open positions related to economic hedges
(412)649 141 889 
Total unrealized mark-to-market (losses)/gains for economic hedging activities
(283)875 48 1,347 
Reversal of previously recognized unrealized losses on settled positions related to trading activity
3 4 2 — 
Net unrealized gains on open positions related to trading activity
11 5 8 5 
Total unrealized mark-to-market gains for trading activity
14 9 10 5 
Total unrealized (losses)/gains - commodities and foreign exchange$(269)$884 $58 $1,352 
(a)For the three and six months ended June 30, 2025, includes $30 million and $(53) million, respectively, related to derivative contracts that were elected as NPNS on October 1, 2024 and are no longer valued at fair value on a recurring basis
Three months ended June 30,Six months ended June 30,
(In millions)2025202420252024
Total impact to statement of operations - interest rate contracts$(5)$6 $(14)$18 
Unrealized gains/(losses) included in revenues - commodities$13 $93 $(6)$29 
Unrealized (losses)/gains included in cost of operations - commodities(266)789 84 1,312 
Unrealized (losses)/gains included in cost of operations - foreign exchange(16)2 (20)11 
Total impact to statement of operations - commodities and foreign exchange$(269)$884 $58 $1,352 
Total impact to statement of operations - Consumer Financing Program $— $(6)$(8)$(2)
The reversals of acquired gain positions were valued based upon the forward prices on the acquisition date. The roll-off amounts were offset by realized gains or losses at the settled prices and are reflected in revenue or cost of operations during the same period.
For the six months ended June 30, 2025, the $141 million unrealized gain from open economic hedge positions was primarily the result of an increase in the value of forward positions as a result of increases in ERCOT power prices.
For the six months ended June 30, 2024, the $889 million unrealized gain from open economic hedge positions was primarily the result of an increase in the value of forward positions as a result of increases in ERCOT power prices.
Credit Risk Related Contingent Features
Certain of the Company's trading agreements contain provisions that entitle the counterparty to demand that the Company post additional collateral if the counterparty determines that there has been deterioration in the Company's credit quality, generally termed “adequate assurance” under the agreements, or require the Company to post additional collateral if there were a downgrade in the Company's credit rating. The collateral potentially required for all contracts with adequate assurance clauses that were in a net liability position as of June 30, 2025 was $579 million. The Company is also party to certain marginable agreements under which it has a net liability position, but the counterparty has not called for the collateral due, which was approximately $36 million as of June 30, 2025. In the event of a downgrade in the Company's credit rating and if called for by the counterparty, $13 million of additional collateral would be required for all contracts with credit rating contingent features as of June 30, 2025.
See Note 5, Fair Value of Financial Instruments, for discussion regarding concentration of credit risk.