Investing.com -- Constellation Energy Group shares rose over 5% in premarket trading Monday after the nuclear power company reported first-quarter earnings and revenue that beat Wall Street expectations.

The company posted Q1 earnings per share of $2.74, topping analyst estimates of $2.59. Revenue came in at $11.12 billion, well above the consensus estimate of $9 billion.

“Our first-quarter results reflect continued operational excellence from our entire organization,” said CFO Shane Smith in the earnings statement. “We are affirming our full-year guidance and the expectation of strong, visible cash flow that supports our strategic capital allocation framework.”

For the full year 2026, Constellation affirmed its EPS guidance of $11.00 to $12.00, compared to the current Wall Street consensus of $11.62.