Here is Why Constellation Energy (CEG) Gained This Week

The share price of Constellation Energy Corporation (NASDAQ:CEG) surged by 5.25% between June 18 and June 26, 2025, putting it among the Energy Stocks that Gained the Most This Week.

Constellation Energy Corporation (NASDAQ:CEG) is the largest producer of carbon-free energy in the US, with over 34,200 MW of generating capacity consisting of nuclear, wind, solar, natural gas, and hydroelectric assets.

Constellation Energy Corporation (NASDAQ:CEG) received a boost this week after it was announced that it expects to restart the Three Mile Island plant as early as 2027 instead of the original forecast of 2028, after being put on a fast track to connect to the regional grid.

Originally shut in 2019 for economic reasons, the revived 837 MW pressurized water reactor will provide carbon-free energy to Microsoft data centers as part of the 20-year power purchase agreement Constellation signed with the tech giant last year.

While we acknowledge the potential of CEG as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you’re looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

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