Facility or project event · Permit issued · Official record

Maryland Department of the Environment permit issued on 25 March 2026: Amazon Data Services BWI-150–BWI-153 Campus (MD) — construction permit (control no. B-08076) for 99 diesel emergency generators at BWI-150 to BWI-153

The Maryland Department of the Environment issued a Construction Permit (Control No. B-08076) to Amazon Data Services, Inc. for BWI-150 through BWI-153 at 3250 Digital Drive, Frederick, covering 99 diesel-fired emergency generators.

What this is. A permit is permission, not construction or operation. A permit expiry is not closure.
Event date
Permit face 'DATE ISSUED' stamp 'MAR 25 2026'; MDE release of the same date says MDE 'today issued a final determination'.
Source dated
Issuance stamp on the permit; companion MDE news release dated March 25, 2026.
Source accessed
Retrieved by DataCenterData; not an event date.
Added to Latest updates
When this entry entered the updates log; not an event date.
Event type
Permit issued · Permits
Evidence basis
Official record · Maryland Department of the Environment
Confidence
HighIssued permit document with dated stamp, permittee and site.
State
Maryland
Permit
Maryland Department of the Environment permit (no single permit number is cited for this entry) · construction permit (control no. B-08076) for 99 diesel emergency generators at BWI-150 to BWI-153
Linked records
Amazon Data Services BWI-150–BWI-153 Campus amazon-bwi150-frederick-campus
Linked claims
None linked

What the source says

Construction Permit ... DATE ISSUED MAR 25 2026 ... SITE Amazon Data Services, Inc. BWI-150 through BWI-153 3250 Digital Drive Frederick, MD 21703

Where: Page 1 of 22 (permit face: Construction Permit box, 'DATE ISSUED' stamp, SITE block); page 2 (Premises No. 021-0809, registered installations). Scanned PDF — see amazon-ptc.pages1-2.transcription.txt

Source: MDE Permit to Construct — Amazon Data Services, Inc., BWI-150 through BWI-153 (Control No. B-08076)

Internet Archive copy (captured 26 March 2026)

What this does not establish

  • construction of the data-center buildings
  • generator installation or operation
  • facility operation or energization

Still unknown

  • building construction status
  • generator installation dates (permit table lists '2025 - 2026' as installation-to-operation window)
  • separate oil operations permit
  • critical IT and utility capacity
  • operator

Identifiers

Event ID 0a384c90f7d7491980a1558184adff1c700bf6ff5f60825eab9924e14968867c. The ID is derived from the event itself and never changes. A later correction would be published as a separate, linked entry.

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