Clearway Energy, Inc. filed a Current Report on Form 8-K on October 20, 2026, to disclose operational data for the three and nine months ended September 30, 2026. The filing includes an Operational Update Presentation (Exhibit 99.1) detailing the performance of the company's renewable energy and flexible generation fleet.

The report highlights that the observed wind and solar resources in the third quarter of 2026 were in line with the updated forecasts underlying the company's revised 2026 financial guidance. This guidance, issued in August 2026, incorporated the strong El Niño / Southern Oscillation (ENSO) pattern observed during the year.

Key operational metrics for the third quarter include:

The presentation notes that all metrics exclude equity method investment projects, including San Juan Mesa, Elkhorn Ridge, Avenal, Desert Sunlight, and the Cardinal Fengate JV.