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Dark smoke rose above a Virginia data center as a heat wave pushed the power grid close to its limits

  • A mid‑Atlantic heat wave forced many data centers in Ashburn to run diesel backup generators, with dark smoke seen rising from a Digital Realty facility.
  • Grid operator PJM said demand‑response programs helped avoid outages, but the episode highlighted reliance on fossil‑fuel backups during peak heat.
  • Data centers bring huge tax revenue to localities yet prompt complaints about noise, emissions, higher bills, and changing neighborhood character.
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