Constellation Energy and Meta Strike Nuclear Deal, Shares Whipsaw

Constellation Energy shares soared in pre-market trading after the company announced a deal with Meta. However, what does this actually mean for both companies?

By Leo Miller | Jun 04, 2025
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CONSTELLATION ENERGY AND META STRIKE NUCLEAR DEAL - This image is an original composition by MarketBeat using licensed and editorial elements. Not for redistribution or reuse.

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Before the market’s open on June 3, , , announced a new deal with AI hyperscaler . This comes just days after a report from the Wall Street Journal stated that by the end of 2026. Meta鈥檚 Advantage+ Creative tool helps marketers create ads using AI. These ads appear to users on Facebook and Instagram.

The agreement between Constellation and Meta doesn鈥檛 begin until mid-2027. However, both of these moves signal Meta鈥檚 huge commitment to AI and Constellation鈥檚 importance in enabling it. According to data from , Constellation shares reached a pre-market high of $363 after the news broke. That is a rise of nearly 16% from the stock鈥檚 closing price on the previous day. However, shares were slightly down by the time the market closed.

CEG: Meta Agreement Keeps Clinton Site Running, Provides Expansion Opportunities

Meta and Constellation have , which covers over 1.1 gigawatts (GW) of nuclear energy. The agreement would allow Constellation鈥檚 Clinton Clean Energy Center to continue operating.

The company slated the plant to close in mid-2027, when Illinois鈥 Future Energy Jobs Act was set to end its financial support. The agreement with Meta essentially replaces this public support, which was being paid for by Illinois utility customers. The companies have yet to disclose the financial details of the deal. This makes it uncertain whether Constellation鈥檚 compensation for the plant鈥檚 energy will increase. Thus, until the details become clear, little changes for Constellation鈥檚 financial prospects. This is possibly why shares pulled back significantly after their pre-market spike.

Another positive is the fact that with this deal done, Constellation is now looking to add more capacity at the Clinton site. The company says this could come in the form of an advanced nuclear reactor or a small modular reactor (SMR). The company would need approval from the U.S. Nuclear Regulatory Commission to do so. It is highly possible that Constellation could have an eager partner in Meta in such a venture. In December 2024, Meta made a聽 stating it is taking requests for proposals from nuclear companies to bring online more capacity. Meta wants to add 1 to 4 GW of nuclear generation capacity in the United States, starting in the early 2030s.

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CEG Deal Is A Solid Near-Term Solution for Meta鈥檚 Climate Goals

Notably, Meta鈥檚 data centers will not be directly powered by the Clinton plant鈥檚 current nuclear energy generation. Power will continue to flow to the grid, but the is purchasing the plant’s 鈥渃lean energy attributes.” These attributes serve a somewhat similar purpose for corporations as carbon offsets. Buying them allows Meta to reduce its stated carbon footprint, offsetting its usage of fossil fuel energy in other locations. This is why the agreement states: 鈥淢eta is purchasing the plant鈥檚 clean energy attributes as part of its commitment to match 100% of its electricity use with clean and renewable energy.鈥

Meta shares rose in pre-market trading, up less than 1% by market open. However, shares were down slightly versus the previous day鈥檚 close by the late afternoon. The agreement is a long-term sustainability investment for Meta, not a near-term profit generator. Still, securing the clean energy attributes from the Clinton site is likely less expensive and certainly timelier than alternatives.

Vogtle Units 3 and 4 are two reactors that came online in 2023 and 2024 in Georgia. Together, they have around twice the capacity of the Clinton site. It took around 15 years to get both units online, and the total estimated cost 颈蝉听聽more than double the initially expected cost of $14 billion.

Trump Looks to Quadruple U.S. Nuclear Capacity, But Uncertainty Remains

On May 23, President Trump signed several executive orders. The goal is to quadruple U.S. nuclear energy capacity by 2050. Some argue that these orders . This bill passed the House of Representatives and is now moving to the Senate. However, nuclear did receive . Nuclear lobbyists remain unsatisfied and will push the Senate to make further changes.

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CONSTELLATION ENERGY AND META STRIKE NUCLEAR DEAL - This image is an original composition by MarketBeat using licensed and editorial elements. Not for redistribution or reuse.

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Before the market’s open on June 3, , , announced a new deal with AI hyperscaler . This comes just days after a report from the Wall Street Journal stated that by the end of 2026. Meta鈥檚 Advantage+ Creative tool helps marketers create ads using AI. These ads appear to users on Facebook and Instagram.

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