Google Signs Its Biggest Power Deal Ever at 3.6 GW: The Headline Says Nuclear, Three Quarters of It Is a Grid Contract
On October 6 Google announced a 3,590-megawatt power purchase agreement, roughly 3.6 gigawatts, with Constellation Energy, the largest nuclear operator in the United States. It is Google's biggest electricity contract to date and will feed its AI data centers inside the PJM grid region on the US East Coast.
Three key facts
The deal has two parts. The first is an 890 MW, 20-year nuclear power purchase agreement. The electricity comes from uprates, meaning capacity upgrades, at 11 existing reactors in Illinois, Pennsylvania and New Jersey. Constellation is investing $4.3 billion in the work, and the first upgraded units start delivering in 2028. The second part is a 2,700 MW long-term supply agreement that is not tied to any specific plant and will be served from Constellation's existing generation fleet across PJM.
New nuclear is only about a quarter of the total. Out of 3,590 MW, the only portion that counts as new nuclear capacity is that 890 MW, and it comes from squeezing more out of old units rather than building new reactors. Amanda Peterson Corio, Google's global head of energy, put it this way: the company is committed to meeting its growth responsibly by investing in clean, reliable power that brings new capacity to the grid.
The backdrop is an ultimatum from PJM. The grid operator, which covers 13 states, had proposed that data center customers either bring their own power or accept remote disconnection during peak demand. Microsoft previously signed on to restart Three Mile Island, and Google itself has a restart deal with NextEra in Iowa. This contract is more of the same playbook.
WangDou's Take
Put 3.6 GW and nuclear side by side in a headline and the reader pictures three new reactors rising out of the ground. In plain language: three quarters of this is a long-term plan with the grid, and the remaining quarter is an upgrade-and-service job on 11 reactors that have been running for decades, with power arriving in 2028. It is the landlord saying the place is newly renovated when what happened is an attic got added to an old house. Then look at the motive. PJM said data centers that do not bring their own power get cut off at peak, and only then did Google open the wallet. That is not responsible growth. That is a restaurant with a bring-your-own-bottle rule, so you show up carrying two cases. PJM has already named the real problem: AI server halls and ordinary households are fighting over the same grid, and the big players can lock in 20-year contracts while the grandmother next door waits for her bill. $4.3 billion to upgrade 11 old reactors, and not a single new kilowatt-hour for two years. The AI power bill, meanwhile, is going up today.
Source: CNBC · Google enters massive 3.6-GW power deal with Constellation Energy
