DC
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Equinix DC21

OperatingColocationBuildingAshburn, Loudoun County, Virginia

Part of Equinix — Ashburn, VA campus

50% profile completeness
29 claims from 8 sources
Current facility power
Not yet sourced
Planned capacity
Not yet sourced
Floor area
399,200 sq ft[2]
ConfirmedDisputed
Buildings (planned)
Not yet sourced
Capital cost / investment
Not yet sourced
First operational
2020[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: Buttermilk 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 BLDC-2023-005961[2]
    • Sep 27, 2026 · Permit / case B90377630100[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
    Equinix DC21
  2. substation
    Buttermilk Substation (230 kV)[1]
    Proximity onlyUnverified
    Nearest mapped substation, 0.56 km away. Proximity does not establish that it serves the site.
  3. transmission
    2152;2165 (230 kV)[1]
    Proximity onlyUnverified
    Highest-voltage line mapped within 2 km (0.24 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
39.01217, -77.45439
Address
22175 Beaumeade Circle, Ashburn, VA 20147[1]Likely
County
Loudoun County
Photographs
Aerial view of data centers intermingled with other commercial buildings in Loudoun County, near Ashburn
Aerial view of data centers intermingled with other commercial buildings in Loudoun County, near Ashburn
Theodore Christopher · CC0 · 2025-11-26 [8]
Geotagged ~123 m from this location; title/description mentions a data center or this facility's operator. May show a neighboring building.

Ownership, operation & customers

  1. 1. Property owner of record
    Equinix[2]
  2. 2. Owner / developer
    Not identified
  3. 3. Operator
    Equinix[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
Equinix[2]Confirmed
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
Buttermilk Substation (230 kV)[1]Likelyderived

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

Distance to substation
0.6 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
1.65 GW[7]Confirmedderived

64 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
2152;2165 · Virginia Electric & Power CompanyTransmission line0.24 km230 kV[1]
230 kV lineTransmission line0.24 km230 kV[1]
2152;2170 · Virginia Electric & Power CompanyTransmission line0.33 km230 kV[1]
Pacific Loop · Virginia Electric & Power CompanyTransmission line0.33 km230 kV[1]
2203;2214 · Virginia Electric & Power CompanyTransmission line0.55 km230 kV[1]
2149;2203 · Virginia Electric & Power CompanyTransmission line0.72 km230 kV[1]
Potomac Energy Center, LLC · Potomac Energy Center LLCPower plant (Natural Gas)9.3 km766 MW[7]
Montgomery County Resource Recovery · Covanta Montgomery, Inc.Power plant (Biomass)21 km54 MW[7]
Dickerson Power · Dickerson Power, LLCPower plant (Natural Gas)22 km299 MW[7]
Nih Cogeneration Facility · National Institutes of HealthPower plant (Natural Gas)31.2 km28 MW[7]
Covanta Alexandria/Arlington Energy · Covanta Alexandria/ArlingtonPower plant (Biomass)36.6 km29 MW[7]
Covanta Fairfax Energy · Covanta Fairfax IncPower plant (Biomass)39.8 km98 MW[7]
Central Utility Plant At White Oak · GSA Metropolitan Service CenterPower plant (Natural Gas)40.9 km54 MW[7]
Blake Solar Plant · Horus West Virginia 1, LLCPower plant (Solar)43 km80 MW[7]
Buttermilk Substation · Dominion EnergySubstation0.56 km230 kV[1]
Nimbus SubstationSubstation0.82 km230 kV[1]
Unnamed substationSubstation0.93 km—[1]
Cumulus SubstationSubstation0.95 km230 kV[1]
Interconnection Substation · Dominion EnergySubstation1 km230 kV[1]
Farmwell Substation · Virginia Electric & Power CompanySubstation1.28 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
    2020[1]
  6. Expected completion
    —
Permit / case numbers
BLDC-2023-005961, B90377630100[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
061200160000
Loudoun County, VA
EQUINIX LLC
Project: Beaumeade
19.88IP (ZRTD-2015-0005) · Data Center399,216
built
[2]
Site area
19.9 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
399,200 sq ft[2]Confirmed

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

Sources disagree. Also reported: 237,300 sq ft[1] (unverified)
Building footprint
79,100 sq ft[1]Likelyderived

Computed from the mapped OSM building outline.

Floors
3[1]Likely
Parcel / land records
MCPI 061200160000 (Loudoun County)[2]Confirmed

What changed (last 3 years)

Follow this facility (RSS)
  • Floor area
    237,300 sq ftSep 27, 2026[1]→399,200 sq ftSep 27, 2026[2]

Timeline

First operational: 2020[1]

    Other buildings on this campus

    14

    All claims (provenance audit)

    29
    FieldValueSourceConfidenceAs ofStatus
    NameEquinix DC21way/796933516 name=Equinix DC21[1] Likely2026-09-27Shown
    StatusOperating[1] derivedUnverified2026-09-27Shown
    StatusOperating[2] derivedConfirmed2026-09-27Shown
    Facility typeColocation[1] derivedUnverified2026-09-27Shown
    Websitehttps://www.equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc21[1] Likely2026-09-27Shown
    Address22175 Beaumeade Circle, Ashburn, VA 20147[1] Likely2026-09-27Shown
    Property owner of recordEquinixMCPI 061200160000: EQUINIX LLC[2] Confirmed2026-09-27Shown
    OperatorEquinixoperator=Equinix[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 substationButtermilk Substation (230 kV)way/817632577[1] derivedLikely2026-09-28Shown
    Distance to substation0.6 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 km1.65 GW[7] derivedConfirmed202502Shown
    Permit / case numbersBLDC-2023-005961[2] Confirmed2026-09-27Shown
    Permit / case numbersB90377630100[2] Confirmed2026-09-27Shown
    Floor area237,300 sq ft[1] estimatedUnverified2026-09-27Superseded / alternative
    Floor area399,200 sq ft[2] Confirmed2026-09-27Shown
    Building footprint79,100 sq ft[1] derivedLikely2026-09-27Shown
    Floors3building:levels=3[1] Likely2026-09-27Shown
    Site area19.9 acres[2] Confirmed2026-09-27Shown
    Parcel / land recordsMCPI 061200160000 (Loudoun County)[2] Confirmed2026-09-27Shown
    ZoningIP[2] Confirmed2026-09-27Shown
    Land useData Center[2] Confirmed2026-09-27Shown
    First operational2020start_date=2020[1] Likely2026-09-27Shown