NRG Energy reported first-quarter 2026 adjusted earnings of $1.49 per share.
This result fell significantly short of analyst forecasts of $2.78 per share.
Revenue reached $10.26 billion, beating market expectations.
Mild Texas weather and high Eastern supply costs drove the profit miss.
NRG Energy shares declined by more than 4.5% following the news.
The company reaffirmed its full-year financial guidance for 2026.