Constellation Energy Corp. (Constellation Energy (CEG)) reported first-quarter results that blew past expectations, but the stock still took a 3% hit on Monday. The reason? Sometimes good news is already priced in, and investors are looking ahead. But the underlying story is simple: America is using more electricity than ever, and Constellation is cashing in.

The U.S. power company posted revenue of $11.122 billion, well above the $8.721 billion analysts were looking for. Adjusted earnings came in at $2.74 per share, up from $2.14 a year ago and ahead of the $2.57 consensus. That's a solid beat, and it wasn't just a one-off. According to a Reuters report, the company benefited from stronger U.S. electricity demand and contributions from its recently acquired Calpine assets.

And that demand isn't slowing down. The Energy Information Administration says U.S. power consumption hit a record high for the second straight year in 2025, and it's expected to keep rising in 2026 and 2027. Data centers, electric vehicles, and a general electrification of everything are driving the trend. Constellation is right in the middle of it.

The company also highlighted that adjusted earnings got a boost from the Calpine acquisition, favorable stock-based compensation impacts, nuclear production tax credits, and supportive market conditions. In other words, a lot of things went right this quarter.

Constellation's nuclear fleet, a key part of its business, performed well. It generated 44,666 gigawatt-hours during the quarter, compared with 45,582 gigawatt-hours a year earlier. Excluding the Salem and STP plants, the fleet's capacity factor hit 92.3%. The quarter included 99 planned refueling outage days and no unplanned outages. That's a sign of operational stability.

On the dividend front, the company declared a quarterly dividend of 42.65 cents per share on April 28, payable June 5 to shareholders of record as of May 15. Nothing flashy, but a steady payout.

Looking ahead, Constellation reaffirmed its full-year 2026 adjusted earnings guidance of $11.00 to $12.00 per share. Analysts are currently expecting $11.49, right in the middle. So the company is confident, and the market seems to be taking a wait-and-see approach.

As for the stock, shares were down 3.23% at $293.81 at the time of publication on Monday. A dip after a beat isn't unusual—sometimes traders sell the news. But the long-term story here is about the country's growing appetite for power, and Constellation is well-positioned to feed it.