Data center campus · Greater Ashburn data center cluster, Loudoun County (no address published), Loudoun, Virginia

STACK Infrastructure Loudoun County campus

Proposed as of Feb. 11, 2025

A 122-acre STACK campus announced in February 2025 for two two-story buildings of 72 MW each, with an on-site substation.

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AccomackAlbemarleAlexandriaAlleghanyAmeliaAmherstAppomattoxArlingtonAugustaBathBedfordBlandBotetourtBristolBrunswickBuchananBuckinghamBuena VistaCampbellCarolineCarrollCharles CityCharlotteCharlottesvilleChesapeakeChesterfieldClarkeColonial HeightsCovingtonCraigCulpeperCumberlandDanvilleDickensonDinwiddieEmporiaEssexFairfaxFairfax (city)Falls ChurchFauquierFloydFluvannaFranklinFranklin (city)FrederickFredericksburgGalaxGilesGloucesterGoochlandGraysonGreeneGreensvilleHalifaxHamptonHanoverHarrisonburgHenricoHenryHighlandHopewellIsle of WightJames CityKing and QueenKing GeorgeKing WilliamLancasterLeeLexingtonLoudounLouisaLunenburgLynchburgMadisonManassasManassas ParkMartinsvilleMathewsMecklenburgMiddlesexMontgomeryNelsonNew KentNewport NewsNorfolkNorthamptonNorthumberlandNortonNottowayOrangePagePatrickPetersburgPittsylvaniaPoquosonPortsmouthPowhatanPrince EdwardPrince GeorgePrince WilliamPulaskiRadfordRappahannockRichmondRichmond (city)RoanokeRoanoke (city)RockbridgeRockinghamRussellSalemScottShenandoahSmythSouthamptonSpotsylvaniaStaffordStauntonSuffolkSurrySussexTazewellVirginia BeachWarrenWashingtonWaynesboroWestmorelandWilliamsburgWinchesterWiseWytheYorkSTACK Infrastructure Loudoun County campus · Proposed · 144 MW
Power144MW reported · stated
Floor area1,317,000sq ft
Site122acres

Who is behind it

ProjectSTACK Infrastructure Loudoun County campus
Developer and teamSTACK Infrastructure
End userNot found in the recordsNot yet named in any record or credited report we have found.

The record, newest first

  1. STACK announced plans for a 144 MW Loudoun County campus of two two-story 72 MW buildings, powered through an on-site substation. (STACK Infrastructure, Feb. 11, 2025)

  2. STACK's campus brochure describes 122 acres, about 1.32 million sq ft in two buildings, dual utility feeds and 200 MW of capacity. (STACK Infrastructure, Feb. 2025)

Conflicts and open questions

  • STACK publishes no address; the point is a rough placement in greater Ashburn and should be refined from a Loudoun site plan before mapping.
  • The utility is not named by STACK.

The full record

Power note
STACK's Feb. 2025 release gives 144 MW (two 72 MW buildings); its campus brochure lists 200 MW total capacity. Range 144–200 MW.
Evidence
Primary public records
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.