DC
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Sabey Ashburn Building C

OperatingColocationBuildingAshburn, Loudoun County, Virginia

Part of Sabey Data Centers — Ashburn, VA campus

50% profile completeness
27 claims from 7 sources
Current facility power
Not yet sourced
Planned capacity
Not yet sourced
Floor area
580,500 sq ft[2]
Confirmed
Buildings (planned)
Not yet sourced
Capital cost / investment
Not yet sourced
First operational
2017[1]
Likely

POWER & GRID

Time-to-power · verification · interconnection
Time to power
Energized — operating
High confidence
Project verification
Verified operating
Operation documented by permit / site plan.
Current stage
Operational
Furthest stage with documented evidence
Utility · ISO
Dominion Energy · PJM
Substation: Waxpool Substation (230 kV) (nearest, unverified)

Power reality

Announced
No record
Interconnection request
No record
Contracted / approved
No record
Under construction
No record
Operational
No record
AI evidence brief
Summarizes only the evidence on this page. Answers citing anything else are rejected automatically.

Project verification

Development
  1. Announcedimplied by a later stage
  2. Land acquiredimplied by a later stage
  3. Planning / zoningimplied by a later stage
  4. PermittingSep 27, 2026
    Permit / site plan
    • Sep 27, 2026 · Permit / case B10207660100[2]
    • Sep 27, 2026 · Permit / case B80245800100[2]
Grid interconnection
  1. Interconnection application
  2. Feasibility study
  3. System impact study
  4. Facilities study
  5. Interconnection agreement / service contract
Build & energization
  1. Financing
  2. Under constructionimplied by a later stage
  3. Energizationimplied by a later stage
  4. OperationalSep 27, 2026
    Community map · Permit / site plan
    • Sep 27, 2026 · Reported status: operating[1]
    • Sep 27, 2026 · Reported status: operating[2]

● documented · ◌ implied by a later stage · ○ no evidence found. Dates are those of the earliest dated evidence, which can be later than when a stage actually began. Evidence classes: Permit / site plan, Community map.

Grid path

  1. facility
    Sabey Ashburn Building C
  2. substation
    Waxpool Substation (230 kV)[1]
    Proximity onlyUnverified
    Nearest mapped substation, 0.19 km away. Proximity does not establish that it serves the site.
  3. transmission
    2149;2166 (230 kV)[1]
    Proximity onlyUnverified
    Highest-voltage line mapped within 2 km (0.07 km away). Not confirmed as the supply path.
  4. utility
    Dominion Energy[3]
    Service territoryLikely
    Retail service territory containing the site
  5. ISO / RTO
    PJM[4]
    Service territoryLikely
    Balancing authority: PJM
Substation capacity:
not published
Required upgrades:
not yet sourced
Congestion:
not yet sourced (no nodal price data)

Dashed boxes are based on proximity only and do not establish which asset serves the site.

Interconnection records

No interconnection-queue record is linked to this site. Of the ISOs we ingest, only NYISO publishes large-load requests; PJM, ERCOT, MISO, SPP and CAISO queues list generation only.

On-site & dedicated generation

No on-site, behind-the-meter or dedicated generation found in sources.

Location & imagery

Mapped outline
Coordinates
39.01539, -77.47829
Address
21741 Red Rum Drive, Ashburn, VA 20147[1]Likely
County
Loudoun County
Photographs

No openly licensed ground-level photos matched to this site yet.

Ownership, operation & customers

  1. 1. Property owner of record
    Intergate Ashburn I LLC(unreviewed)[2]
  2. 2. Owner / developer
    Not identified
  3. 3. Operator
    Sabey Data Centers[1]Likely
  4. 4. Tenant / cloud
    Not identified
  5. 5. End customer / workload
    Not identified
Power supply
Utility:
Dominion Energy[3]Likely

Each link is sourced separately. The property owner of record is often a special-purpose entity; the same company appearing in two roles is shown only when sources say so.

All parties with evidence
Property owner of record
Operator
Utility
Dominion Energy[3]Likely

Location falls inside this utility's retail service territory.

No tenants or end users identified in our sources yet.

Power (all fields)

Current facility power
Not yet sourced
Planned capacity
Not yet sourced

Capacity figures are nameplate or contracted; annual consumption is a labeled model estimate, not metered data.

Grid & electricity

ISO / RTO
PJM[4]Likelyderived

Location falls inside this ISO/RTO footprint.

Balancing authority
PJM[3]Likelyderived

Control area of the containing utility territory.

Nearest mapped substation
Waxpool Substation (230 kV)[1]Likelyderived

Nearest substation mapped in OpenStreetMap; proximity does not establish which substation serves the site.

Distance to substation
0.2 km[1]Likelyderived
Highest-voltage line nearby
230 kV[1]Likelyderived

Highest-voltage transmission line mapped within 2 km.

State avg. industrial price
10.07¢/kWh[6]Confirmed

Virginia statewide average, July 2026.

State avg. commercial price
11.68¢/kWh[6]Confirmed

Virginia statewide average, July 2026.

Generation within 50 km
1.64 GW[7]Confirmedderived

60 EIA-reported plants within 50 km.

Generation queued in county
1.04 GW[5]Confirmedderived

11 active generation interconnection requests in Loudoun County: Storage 940 MW, Solar 100 MW. Queued projects often don't get built.

Interconnection status
Not yet sourced
Contracted / committed power
Not yet sourced
Nearby infrastructureTypeDistanceVoltage / capacitySource
2149;2166Transmission line0.07 km230 kV[1]
2149 · Virginia Electric & Power CompanyTransmission line0.21 km230 kV[1]
2152 · Virginia Electric & Power CompanyTransmission line0.22 km230 kV[1]
2149;2190 · Virginia Electric & Power CompanyTransmission line0.83 km230 kV[1]
2190 · Virginia Electric & Power CompanyTransmission line1.17 km230 kV[1]
2031;2188 · Dominion EnergyTransmission line1.2 km230 kV[1]
Potomac Energy Center, LLC · Potomac Energy Center LLCPower plant (Natural Gas)7.5 km766 MW[7]
Montgomery County Resource Recovery · Covanta Montgomery, Inc.Power plant (Biomass)20.7 km54 MW[7]
Dickerson Power · Dickerson Power, LLCPower plant (Natural Gas)21.6 km299 MW[7]
Nih Cogeneration Facility · National Institutes of HealthPower plant (Natural Gas)33.3 km28 MW[7]
Covanta Alexandria/Arlington Energy · Covanta Alexandria/ArlingtonPower plant (Biomass)38.5 km29 MW[7]
Covanta Fairfax Energy · Covanta Fairfax IncPower plant (Biomass)41.1 km98 MW[7]
Blake Solar Plant · Horus West Virginia 1, LLCPower plant (Solar)41.2 km80 MW[7]
Central Utility Plant At White Oak · GSA Metropolitan Service CenterPower plant (Natural Gas)42.9 km54 MW[7]
Waxpool Substation · Virginia Electric & Power CompanySubstation0.19 km230 kV[1]
Unnamed substationSubstation0.7 km34.5 kV[1]
Farmwell Substation · Virginia Electric & Power CompanySubstation0.83 km230 kV[1]
Cumulus SubstationSubstation1.26 km230 kV[1]
Greenway Substation · Virginia Electric & Power CompanySubstation1.27 km230 kV[1]
Nimbus SubstationSubstation1.29 km230 kV[1]
Largest queued generation in this countyFuelQueue statusMWSource
Loudoun 230 kVPJM AG2-285StorageIn study · proposed 2023-12150 MW[5]
Beaumeade 230 kVPJM AG2-287StorageIn study · proposed 2023-12150 MW[5]
New Road StoragePJM AE2-019StorageIA signed · proposed 2026-12120 MW[5]
Dulles SolarPJM AF1-147SolarIA signed · proposed 2023-12100 MW[5]
Roundtable 230 kVPJM AG2-307StorageIn study · proposed 2023-12100 MW[5]
Shelhorn 230 kVPJM AG2-323StorageIn study · proposed 2023-12100 MW[5]

Utility, ISO and nearby assets are derived from the site's location. Proximity to a substation or line doesn't establish the interconnection; that needs a utility filing or interconnection-queue record. Queue requests are applications, not commitments — most never reach operation.

Construction & permitting

  1. Announced
    —
  2. Land acquired
    —
  3. Permitting
    —
  4. Construction start
    —
  5. First operational
    2017[1]
  6. Expected completion
    —
Permit / case numbers
B10207660100, B80245800100[2]Confirmed

Real estate

Official assessments
Assessor's value for a tax year

None sourced yet

Recorded transactions
Sale prices from recorded deeds

None sourced yet

Model estimates
Our model — not an appraisal

None sourced yet

ParcelRecord ownerAcresZoning / useBuilding sq ftSource
088389930000
Loudoun County, VA
INTERGATE ASHBURN I LLC
Project: Ashburn Technology Park
21.38IP (ZMAP-1988-0270) · Data Center580,498
built
[2]
Site area
21.4 acres[2]Confirmed

Legal acreage of the parcel(s).

Zoning
IP[2]Confirmed
Land use
Data Center[2]Confirmed
Annual property tax
Not yet sourced

Size

Floor area
580,500 sq ft[2]Confirmed

Building area on the county's data-center parcel inventory (from building permits).

Building footprint
144,600 sq ft[1]Likelyderived

Computed from the mapped OSM building outline.

Parcel / land records
MCPI 088389930000 (Loudoun County)[2]Confirmed

What changed (last 3 years)

Follow this facility (RSS)

No tracked changes yet. Values are recorded on every data refresh, so changes will appear here over time.

Timeline

First operational: 2017[1]

    Other buildings on this campus

    2

    All claims (provenance audit)

    27
    FieldValueSourceConfidenceAs ofStatus
    NameSabey Ashburn Building Cway/708916484 name=Sabey Ashburn Building C[1] Likely2026-09-27Shown
    StatusOperating[1] derivedUnverified2026-09-27Shown
    StatusOperating[2] derivedConfirmed2026-09-27Shown
    Facility typeColocation[1] derivedUnverified2026-09-27Shown
    Websitehttps://sabeydatacenters.com/locations/ashburn-data-center[1] Likely2026-09-27Shown
    Address21741 Red Rum Drive, Ashburn, VA 20147[1] Likely2026-09-27Shown
    Property owner of recordIntergate Ashburn I LLCMCPI 088389930000: INTERGATE ASHBURN I LLC[2] Confirmed2026-09-27Shown
    OperatorSabey Data Centersoperator=Sabey Data Centers[1] Likely2026-09-27Shown
    UtilityDominion Energyterritory 19876: VIRGINIA ELECTRIC & POWER CO (INVESTOR OWNED, DOMINION RESOURCE[3] derivedLikely2022Shown
    ISO / RTOPJMPJM INTERCONNECTION, LLC[4] derivedLikely—Shown
    Balancing authorityPJM[3] derivedLikely—Shown
    Nearest mapped substationWaxpool Substation (230 kV)way/691717623[1] derivedLikely2026-09-28Shown
    Distance to substation0.2 km[1] derivedLikely2026-09-28Shown
    Highest-voltage line nearby230 kV[1] derivedLikely2026-09-28Shown
    Generation queued in county1.04 GW[5] derivedConfirmed2026-09-27Shown
    State avg. industrial price10.07¢/kWh[6] Confirmed2026-07Shown
    State avg. commercial price11.68¢/kWh[6] Confirmed2026-07Shown
    Generation within 50 km1.64 GW[7] derivedConfirmed202502Shown
    Permit / case numbersB10207660100[2] Confirmed2026-09-27Shown
    Permit / case numbersB80245800100[2] Confirmed2026-09-27Shown
    Floor area580,500 sq ft[2] Confirmed2026-09-27Shown
    Building footprint144,600 sq ft[1] derivedLikely2026-09-27Shown
    Site area21.4 acres[2] Confirmed2026-09-27Shown
    Parcel / land recordsMCPI 088389930000 (Loudoun County)[2] Confirmed2026-09-27Shown
    ZoningIP[2] Confirmed2026-09-27Shown
    Land useData Center[2] Confirmed2026-09-27Shown
    First operational2017start_date=2017[1] Likely2026-09-27Shown