DC
/

Amazon IAD-134

OperatingHyperscaleBuildingChantilly, Fairfax County, Virginia

Part of Amazon Web Services — Chantilly, VA campus

30% profile completeness
22 claims from 7 sources
Current facility power
Not yet sourced
Planned capacity
Not yet sourced
Building footprint
121,100 sq ft[1]
Likelyderived
Buildings (planned)
Not yet sourced
Capital cost / investment
Not yet sourced
First operational
Not yet sourced

POWER & GRID

Time-to-power · verification · interconnection
Time to power
Energized — operating
High confidence
Project verification
Verified operating
Operation documented by government record.
Current stage
Operational
Furthest stage with documented evidence
Utility · ISO
Dominion Energy · PJM
Substation: Takeoff Substation (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 acquiredApr 23, 2001
    Government record
    • Apr 23, 2001 · Land acquisition / deed recorded[7]
    • Apr 23, 2001 · Deed/transfer recorded for parcel 0341 03 0013: $6,630,000.[7]
    • Jan 4, 2021 · Deed/transfer recorded for parcel 0341 03 0013: $55,898,700.[7]
    • May 4, 2022 · Deed/transfer recorded for parcel 0341 03 0013 (no sale price disclosed).[7]
  3. Planning / zoningimplied by a later stage
  4. Permittingimplied by a later stage
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 · Government record
    • Sep 27, 2026 · Reported status: operating[1]
    • Sep 27, 2026 · County land use: Land use code 190[7]

● 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: Government record, Community map.

Grid path

  1. facility
    Amazon IAD-134
  2. substation
    Takeoff Substation[1]
    Proximity onlyUnverified
    Nearest mapped substation, 0.43 km away. Proximity does not establish that it serves the site.
  3. transmission
    265;2008 (230 kV)[1]
    Proximity onlyUnverified
    Highest-voltage line mapped within 2 km (0.86 km away). Not confirmed as the supply path.
  4. utility
    Dominion Energy[2]
    Service territoryLikely
    Retail service territory containing the site
  5. ISO / RTO
    PJM[3]
    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
38.90435, -77.45247
Address
3980 Virginia Mallory Drive, Chantilly, VA 20151[1]Likely
County
Fairfax County
Photographs

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

Ownership, operation & customers

  1. 1. Property owner of record
    Not identified
  2. 2. Owner / developer
    Not identified
  3. 3. Operator
    Amazon Web Services[1]Likely
  4. 4. Tenant / cloud
    Not identified
  5. 5. End customer / workload
    Not identified
Power supply
Utility:
Dominion Energy[2]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
Operator
Utility
Dominion Energy[2]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[3]Likelyderived

Location falls inside this ISO/RTO footprint.

Balancing authority
PJM[2]Likelyderived

Control area of the containing utility territory.

Nearest mapped substation
Takeoff Substation[1]Likelyderived

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

Distance to substation
0.4 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[5]Confirmed

Virginia statewide average, July 2026.

State avg. commercial price
11.68¢/kWh[5]Confirmed

Virginia statewide average, July 2026.

Generation within 50 km
3.29 GW[6]Confirmedderived

64 EIA-reported plants within 50 km.

Generation queued in county
348 MW[4]Confirmedderived

3 active generation interconnection requests in Fairfax County: Storage 250 MW, Other 98 MW. Queued projects often don't get built.

Interconnection status
Not yet sourced
Contracted / committed power
Not yet sourced
Nearby infrastructureTypeDistanceVoltage / capacitySource
265;2008Transmission line0.86 km230 kV[1]
230 kV lineTransmission line1.87 km230 kV[1]
2008;2107Transmission line1.96 km230 kV[1]
265;2107Transmission line2 km230 kV[1]
Potomac Energy Center, LLC · Potomac Energy Center LLCPower plant (Natural Gas)18.9 km766 MW[6]
Covanta Fairfax Energy · Covanta Fairfax IncPower plant (Biomass)29.6 km98 MW[6]
Montgomery County Resource Recovery · Covanta Montgomery, Inc.Power plant (Biomass)32.9 km54 MW[6]
Dickerson Power · Dickerson Power, LLCPower plant (Natural Gas)34 km299 MW[6]
Central Utility Plant At White Oak · GSA Metropolitan Service CenterPower plant (Natural Gas)43.3 km54 MW[6]
Possum Point · Virginia Electric & Power CoPower plant (Natural Gas)43.5 km645 MW[6]
Remington · Virginia Electric & Power CoPower plant (Natural Gas)48.7 km604 MW[6]
Marsh Run Generation Facility · Old Dominion Electric CoopPower plant (Natural Gas)50 km481 MW[6]
Takeoff SubstationSubstation0.43 km—[1]
Walney SubstationSubstation1.97 km230 kV[1]
Discovery SubstationSubstation2.7 km230 kV[1]
Largest queued generation in this countyFuelQueue statusMWSource
Clifton 230 kVPJM AG2-286StorageIn study · proposed 2023-12150 MW[4]
Reston 230 kVPJM AG2-326StorageIn study · proposed 2023-12100 MW[4]
Occoquan 230kVPJM AH1-197OtherIn study · proposed 2021-0898 MW[4]

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
    Apr 23, 2001[7]
  3. Permitting
    —
  4. Construction start
    —
  5. First operational
    —
  6. Expected completion
    —

Real estate

Official assessments
Assessor's value for a tax year
  • $484.3M[7]
    Assessed value · tax year 2026 · parcel 0341 03 0013
  • $89.3M[7]
    Assessed value — land · tax year 2026 · parcel 0341 03 0013
  • $395M[7]
    Assessed value — improvements · tax year 2026 · parcel 0341 03 0013
  • $470.2M[7]
    Assessed value · tax year 2025 · parcel 0341 03 0013
Recorded transactions
Sale prices from recorded deeds
  • $55.9M[7]
    Recorded sale (price reflects anticipated rezoning) · Jan 4, 2021 · parcel 0341 03 0013
  • $6.6M[7]
    Recorded sale (transfer between related parties) · Apr 23, 2001 · parcel 0341 03 0013
Model estimates
Our model — not an appraisal

None sourced yet

ParcelRecord ownerAcresZoning / useBuilding sq ftSource
0341 03 0013
Fairfax County, VA
——Land use code 190—[7]
Land use
Land use code 190[7]Confirmed
Annual property tax
Not yet sourced
Nearby comparable transactions

Size

Building footprint
121,100 sq ft[1]Likelyderived

Computed from the mapped OSM building outline.

Parcel / land records
0341 03 0013 (Fairfax County)[7]Confirmed
Floor area
Not yet sourced

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

  1. May 4, 2022[7]

    Deed/transfer recorded for parcel 0341 03 0013 (no sale price disclosed).

  2. Apr 23, 2001[7]

    Deed/transfer recorded for parcel 0341 03 0013: $6,630,000.

  3. Jan 4, 2021[7]

    Deed/transfer recorded for parcel 0341 03 0013: $55,898,700.

Other buildings on this campus

4

All claims (provenance audit)

22
FieldValueSourceConfidenceAs ofStatus
NameAmazon IAD-134way/1252196797 name=Amazon IAD-134[1] Likely2026-09-27Shown
StatusOperating[1] derivedUnverified2026-09-27Shown
Facility typeHyperscale[1] derivedUnverified2026-09-27Shown
Address3980 Virginia Mallory Drive, Chantilly, VA 20151[1] Likely2026-09-27Shown
OperatorAmazon Web Servicesoperator=Amazon Web Services[1] Likely2026-09-27Shown
UtilityDominion Energyterritory 19876: VIRGINIA ELECTRIC & POWER CO (INVESTOR OWNED, DOMINION RESOURCE[2] derivedLikely2022Shown
ISO / RTOPJMPJM INTERCONNECTION, LLC[3] derivedLikely—Shown
Balancing authorityPJM[2] derivedLikely—Shown
Nearest mapped substationTakeoff Substationway/1302399911[1] derivedLikely2026-09-28Shown
Distance to substation0.4 km[1] derivedLikely2026-09-28Shown
Highest-voltage line nearby230 kV[1] derivedLikely2026-09-28Shown
Generation queued in county348 MW[4] derivedConfirmed2026-09-27Shown
State avg. industrial price10.07¢/kWh[5] Confirmed2026-07Shown
State avg. commercial price11.68¢/kWh[5] Confirmed2026-07Shown
Generation within 50 km3.29 GW[6] derivedConfirmed202502Shown
Building footprint121,100 sq ft[1] derivedLikely2026-09-27Shown
Parcel / land records0341 03 0013 (Fairfax County)[7] Confirmed2026-09-27Shown
Assessed value (official)$484.3M[7] Confirmed2026Shown
Last recorded sale price$55.9M[7] Confirmed2021-01-04Shown
Last recorded sale dateJan 4, 2021[7] Confirmed2021-01-04Shown
Land useLand use code 190[7] Confirmed2026-09-27Shown
Land acquiredApr 23, 2001[7] derivedConfirmed2026-09-27Shown