Why Microsoft's move to reopen Three Mile Island reactor to meet AI's energy demands is concerning

Microsoft plans to restart Unit 1 of the Three Mile Island nuclear plant to power its AI operations despite concerns about the long-term costs and sustainability of nuclear energy.

Mike Pearl reports for The New Republic.

In short:

Microsoft aims to address the high energy demands of AI data centers by partnering with Constellation Energy to reopen the shuttered Three Mile Island Unit 1.
The project will initially be funded by Microsoft, but experts warn future subsidies may be needed to keep the reactor running.
Critics argue Microsoft should invest in renewable energy sources like solar and wind instead of outdated nuclear technology.

Key quote:

"Microsoft will be asking for government handouts just like most all other aged nuclear reactor owners have asked in multiple states."

— Mark Jacobson, Stanford professor of civil and environmental engineering

Why this matters:

Reopening a controversial nuclear plant highlights the growing energy demand driven by AI technologies. While nuclear power is low-carbon, the financial and environmental costs make it a less ideal solution compared to renewable energy options.

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