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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

Commission File Number: 001-15891

NRG Energy, Inc.

(Exact name of registrant as specified in its charter)

(713) 537-3000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ No ☒

As of July 31, 2026, there were 210,210,483 shares of common stock outstanding, par value $0.01 per share.

TABLE OF CONTENTS

Index

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This Quarterly Report on Form 10-Q of NRG Energy, Inc., or NRG or the Company, includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act. The words “believes,” “projects,” “anticipates,” “plans,” “expects,” “intends,” “estimates,” “should,” “forecasts,” “targets,” and similar expressions are intended to identify forward-looking statements. These forward-looking statements involve known and unknown risks, uncertainties and other factors, many of which are beyond NRG’s control, that may cause NRG’s actual results, performance and achievements, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. These factors, risks and uncertainties include any factors described under Risk Factors, in Part I, Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 and Part II, Item 1A of this Form 10-Q and the following:

• General economic conditions, changes in the wholesale power and gas markets and fluctuations in the cost of fuel;

• Volatile power and gas supply costs and demand for power and gas, including the impacts of weather;

• NRG’s ability to obtain and maintain retail market share;

• The imposition of tariffs, the escalation of international trade disputes, and the occurrence or re-escalation of geopolitical conflicts (including the hostilities with Iran and the conflicts in the Middle East), and inflationary impacts resulting therefrom;

• The inability of the Company to realize expected benefits from the integration of LSP Portfolio’s assets and businesses;

• Hazards customary to the power production industry and power generation operations, such as fuel and electricity price volatility, unusual weather conditions, catastrophic weather-related or other damage to facilities, unscheduled or forced generation outages, maintenance or repairs, unanticipated changes to fuel supply costs or availability due to higher demand, shortages, transportation problems or other developments, environmental incidents, or electric transmission or gas pipeline system constraints and the possibility that NRG may not have adequate insurance to cover losses as a result of such hazards;

• The effectiveness of NRG’s risk management policies and procedures and the ability of NRG’s counterparties to satisfy their financial commitments;

• NRG’s ability to enter into contracts to sell power or gas and procure fuel on acceptable terms and prices;

• NRG’s ability to successfully integrate, realize cost savings and manage any acquired businesses;

• NRG’s ability to engage in successful acquisitions and divestitures, as well as other mergers and acquisitions activity;

• NRG’s, and its counterparties’, ability to successfully execute definitive agreements for, and proceed with or complete, the development and construction of new generation facilities and projects in a timely and cost effective manner;

• Changes in law, including judicial and regulatory decisions;

• Government regulation, including changes in market rules, rates, tariffs and environmental laws;

• Cyber terrorism and cybersecurity risks, data breaches or the occurrence of a catastrophic loss and the possibility that NRG may not have sufficient insurance to cover losses resulting from such hazards or the inability of NRG’s insurers to provide coverage;

• Operational and reputational risks related to the use of AI and the adherence to developing laws and regulations related to the use of AI;

• Counterparties’ collateral demands and other factors affecting NRG’s liquidity position and financial condition;

• NRG’s ability to operate its businesses efficiently and generate earnings and cash flows from its asset-based businesses in relation to its debt and other obligations;

• The liquidity and competitiveness of wholesale markets for energy commodities;

• NRG’s ability to develop and innovate new products, as retail and wholesale markets continue to change and evolve;

• Price mitigation strategies and other market structures employed by ISOs or RTOs that result in a failure to adequately and fairly compensate NRG’s generation units;

• NRG’s ability to borrow funds and access capital markets, as well as NRG’s substantial indebtedness and the possibility that NRG may incur additional indebtedness in the future;

• Operating and financial restrictions placed on NRG and its subsidiaries that are contained in NRG’s corporate credit agreements, and in debt and other agreements of certain of NRG subsidiaries and project affiliates generally;

• NRG’s ability to implement its strategy of finding ways to meet the challenges of climate change, clean air and protecting natural resources, while taking advantage of business opportunities;

• NRG’s ability to increase cash from operations through operational and market initiatives, corporate efficiencies, asset strategy, and a range of other programs throughout NRG to reduce costs or generate revenues;

• NRG’s ability to successfully evaluate investments and achieve intended financial results in new business and growth initiatives; and

• NRG’s ability to develop and maintain successful partnering relationships as needed.

In addition, unlisted factors may present significant additional obstacles to the realization of forward-looking statements. Forward-looking statements speak only as of the date they were made and NRG undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise except as otherwise required by applicable laws. The foregoing factors that could cause NRG’s actual results to differ materially from those contemplated in any forward-looking statements included in this Quarterly Report on Form 10-Q should not be construed as exhaustive.

GLOSSARY OF TERMS

When the following terms and abbreviations appear in the text of this report, they have the meanings indicated below:

PART I — FINANCIAL INFORMATION