Constellation Energy and Google Sign 20-Year Nuclear Power Agreement to Add 890 Megawatts to PJM Grid

Constellation Energy and Google have signed a 20-year clean energy agreement to add 890 megawatts of nuclear power to the PJM Interconnection grid through reactor uprates at six nuclear plants in Illinois, New Jersey, and Pennsylvania. The deal involves 11 reactors, represents over $4.3 billion in investment, and is expected to sustain 4,400 existing jobs while creating approximately 7,200 new construction positions.

On Tuesday, Constellation Energy finalised a power purchase agreement with Google while also advancing plans to boost output capacity at a number of its active reactor sites. Under a 20-year power purchase arrangement, Constellation and Google have committed to channelling 890 megawatts of nuclear-generated electricity into the PJM Interconnection grid, the companies said in a joint statement. Upgrades to equipment and technology at six of Constellation's nuclear facilities — spread across Illinois, New Jersey, and Pennsylvania — form part of what the deal commits to funding. No breakdown of which reactors would receive the uprates appeared in Constellation's announcement. Eleven reactors spread across six nuclear facilities are set to run at higher output levels, while the company's announcement outlined that the deal is projected to preserve around 4,400 positions already in place, generate roughly 7,200 construction roles over the build-out period, and channel more than $4.3 billion in fresh capital from Constellation into the project. Spanning portions of 13 states along with the District of Columbia, PJM Interconnection functions as a grid management body coordinating electricity transmission across that multi-state territory. Three states — Illinois, New Jersey, and Pennsylvania — draw their electricity transmission through the broader PJM interconnection network. Constellation noted that upgrading equipment and systems at its plants through uprates can deliver greater generating capacity without the lengthy permitting timelines or grid-connection delays that new builds typically require. Adding up the power gains across all 11 reactors yields a combined 890 megawatts of additional capacity — a figure the utility noted is roughly on par with what several small modular reactors, or a single large new reactor, would provide. The agreement forms part of Constellation's broader push to keep its existing reactor fleet in service. Constellation, which runs 21 nuclear units spread across 12 locations, holds the largest such reactor portfolio in the country, while Google's global head of energy and power, Amanda Peterson Corio, stated in the announcement that funding reactor uprates at Constellation would bolster the PJM grid — a network serving 67 million people — and that the arrangement was designed to expand generation capacity in a way that keeps power bills in check and supports union employment in the region.

Constellation Energy and Google Sign 20-Year Nuclear Power Agreement to Add 890 Megawatts to PJM Grid

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Constellation Energy and Google Sign 20-Year Nuclear Power Agreement to Add 890 Megawatts to PJM Grid

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