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The Trump administration wants underwater datacenters. One Great Lakes non-profit is already preparing
The Trump administration is reportedly considering four sealed-pod datacentres off Maine and Alaska, while technology firms are exploring underwater sites to avoid local opposition and potentially reduce costs. The prospect has prompted environmental groups around the Great Lakes to prepare for possible proposals, although no projects are currently planned there.
Two underwater datacentres are operating off China, and a Microsoft trial off Scotland found server failures were 87% lower than in comparable land-based facilities after two years. Lake Erie Foundation’s John Lipaj warns that heat, leaks or equipment failures could affect water quality and wildlife; the lake already faces harmful algal blooms, pollution and warming. A proposed Ohio law easing wastewater discharge by datacentres was rejected last July after public opposition, while New York’s temporary construction moratorium ends in mid-2027.
In short
- US officials are reportedly weighing four underwater datacentres.
- Great Lakes groups fear heat or leaks could harm freshwater.
- No Great Lakes projects have been proposed so far.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
Underwater datacentres could use cooler surroundings to reduce cooling demands and may face fewer equipment failures, as a Microsoft trial off Scotland suggested. If carefully sited and regulated, they could support growing computing needs while limiting land use and avoiding some local conflicts over new facilities.
The case against
Sealed facilities in lakes could still create risks if heat, leaks or equipment failures harm water quality or wildlife, especially in Lake Erie, which already faces pollution, warming and harmful algal blooms. With long-term effects uncertain, critics can reasonably argue that authorities should demand strong safeguards and public scrutiny before allowing projects in vulnerable waters.
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