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Data centers in Loudoun County, Virginia

Datacenter Source tracks 317 data centers in Loudoun County, Virginia. Facilities that disclose power add up to 4.13 GW online and 42 MW in the pipeline — floors, since 30% report a figure.

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Map & nearby
Facilities
317
Power online (floor)
4.13 GW
EstimatedModeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.100%
Pipeline (floor)
42 MW
With a power figure
30%
99% with confirmed evidence
ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. filing, deed, permit or grid recordAnnouncedStated by the company or reported in the press; not yet backed by a filing or grid record. company or press claimEst.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. satellite, model or map inferenceHow levels are assignedCounty facilities:Download CSVJSONAPI docs

Facilities

Interconnection-queue requests filed here (last two years)

Requests to connect generation or large loads, as the ISO/RTO publishes them. Filing is an application, not a commitment to build.

No dated queue filings for this county in the files we ingest (some ISOs don't publish a county or filing date).

Local impact

Water, on-site generation and air permits, incentives, regulatory events and large-load tariffs, where a source documents them. Counts are of sourced records, not of the state's totals.

Water & cooling

Evaporative (cooling towers): 1 site EstimatedModeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.

On-site generation & air permits

13 sites with documented on-site generation (MW not reported)

28 air permits matched to tracked sites ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.Synthetic Minor Emissions: 8 · 80% Synthetic Minor Emissions: 15 · Minor Emissions: 4 · Major Emissions: 1

Incentives

Not yet collected

Utility & rates: large-load tariffs
  • Dominion Energy: GS-5 rate class for customers demanding 25 MW or more ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.Virginia State Corporation Commission · Docket PUR-2025-00058 · Nov 25, 2025 · source
Regulatory events

86 dated permit, rezoning or commission records

Recent changes