Amazon’s Mississippi data-centre expansion faced a stark warning from local utility Entergy: during peak demand, the company might have to disconnect Amazon’s facilities to protect other customers. The report makes the AI infrastructure boom’s power constraint unusually tangible: grid access cannot simply be assumed.
AWS AI Watch analysis
What happened
The Information reports, citing two people familiar with the situation, that Entergy warned Amazon earlier this year it might need to take the company’s Mississippi data centres off the grid at peak times. Amazon Web Services operates one data centre near Jackson, which it is expanding, and is building two more in the area, according to the report. The outlet says the warning has not previously been reported. Read The Information’s report.
Why it matters
The warning concerns a concrete trade-off: keeping power available to a major cloud operator or protecting other customers when demand peaks. With AWS expanding in the area, grid capacity is not a footnote to the data-centre build-out. It is part of whether those facilities can reliably operate.
Our read
A data centre may be built on a company’s timetable, but it still runs on a grid shared with everyone else. The key question is not only how much power AI infrastructure needs, but who gets priority when supply is tight.
What to watch
- Whether Amazon or Entergy describes what changes followed the warning.
- How peak-time power arrangements affect AWS’s Mississippi expansion.
- Whether similar constraints shape other AI data-centre projects.
Discussion spark: When grid power is scarce, should data centres be treated like other large customers, or should utilities be able to cut them off first to protect households and essential services?
Sources and evidence
- How Amazon Rewired Its Data Centers After Mississippi Power Warning (8 October 2026, 14:33 UTC)
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