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Equinix SV4

OperatingColocationBuildingSunnyvale, Santa Clara County, California
30% profile completeness
17 claims from 6 sources
Current facility power
Not yet sourced
Planned capacity
Not yet sourced
Building footprint
122,600 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
Operating (community-mapped, unverified)
Low confidence
Project verification
Unverified
Evidence is limited to community map.
Current stage
Operational
Furthest stage with documented evidence
Utility · ISO
Pacific Gas and Electric · CAISO
Substation: Unnamed 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 acquiredimplied by a later stage
  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
    • Sep 27, 2026 · Reported status: operating[1]

● 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: Community map.

Grid path

  1. facility
    Equinix SV4
  2. substation
    Unnamed substation[1]
    Proximity onlyUnverified
    Nearest mapped substation, 1.44 km away. Proximity does not establish that it serves the site.
  3. transmission
    115 kV line[1]
    Proximity onlyUnverified
    Highest-voltage line mapped within 2 km (0.55 km away). Not confirmed as the supply path.
  4. utility
    Pacific Gas and Electric[2]
    Service territoryLikely
    Retail service territory containing the site
  5. ISO / RTO
    CAISO[3]
    Service territoryLikely
    Balancing authority: CISO
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
37.41443, -122.01467
Address
255 Caspian Drive, Sunnyvale, CA 94089[1]Likely
County
Santa Clara 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
    Equinix[1]Likely
  4. 4. Tenant / cloud
    Not identified
  5. 5. End customer / workload
    Not identified
Power supply
Utility:
Pacific Gas and Electric[2]Unverified

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
Pacific Gas and Electric[2]Unverified

Most likely retail provider among 2 overlapping service territories (largest retail sales; territory polygons are approximate). Also overlapping: Wapa-- Western Area Power Administration.

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
CAISO[3]Likelyderived

Location falls inside this ISO/RTO footprint.

Balancing authority
CISO[2]Likelyderived

Control area of the containing utility territory.

Nearest mapped substation
Unnamed substation[1]Likelyderived

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

Distance to substation
1.4 km[1]Likelyderived
Highest-voltage line nearby
115 kV[1]Likelyderived

Highest-voltage transmission line mapped within 2 km.

State avg. industrial price
25.11¢/kWh[5]Confirmed

California statewide average, July 2026.

State avg. commercial price
30.56¢/kWh[5]Confirmed

California statewide average, July 2026.

Generation within 50 km
2.43 GW[6]Confirmedderived

83 EIA-reported plants within 50 km.

Generation queued in county
823 MW[4]Confirmedderived

6 active generation interconnection requests in Santa Clara County: Storage 823 MW. Queued projects often don't get built.

Interconnection status
Not yet sourced
Contracted / committed power
Not yet sourced
Nearby infrastructureTypeDistanceVoltage / capacitySource
115 kV line · Pacific Gas and Electric CompanyTransmission line0.55 km115 kV[1]
Donald Von Raesfeld Power Plant · City of Santa Clara - (CA)Power plant (Natural Gas)7 km148 MW[6]
Los Esteros Critical Energy Center · Los Esteros Critical Energy Facility LLCPower plant (Natural Gas)7.4 km300 MW[6]
Sc 1 Data Center, Phase 2 · Xeres Ventures LLCPower plant (Petroleum)8.6 km100 MW[6]
Russell City Energy Center · Russell City Energy Company LLCPower plant (Natural Gas)26.6 km605 MW[6]
Metcalf Energy Center · Calpine Corp - Metcalf Energy CenterPower plant (Natural Gas)32.1 km557 MW[6]
Golden Hills Wind · Golden Hills Wind, LLCPower plant (Wind)46.8 km86 MW[6]
Dynegy Oakland Power Plant · Dynegy Oakland, LLCPower plant (Petroleum)48.6 km110 MW[6]
Vasco Winds · Vasco Winds, LLCPower plant (Wind)49.3 km78 MW[6]
Unnamed substationSubstation1.44 km—[1]
Unnamed substationSubstation1.58 km—[1]
Fair Oaks SubstationSubstation1.96 km115 kV[1]
Unnamed substationSubstation2.24 km—[1]
Largest queued generation in this countyFuelQueue statusMWSource
JEWELFLOWER STORAGECAISO 1553StorageIA signed · proposed 2029-03350 MW[4]
TANAGER STORAGECAISO 1550StorageIA signed · proposed 2027-12200 MW[4]
LOS ESTEROS CRITICAL ENERGY FACILITY EXPANSIONCAISO 378StorageIA signed · proposed 2023-09120 MW[4]
TOKAY STORAGECAISO 1866StorageIA signed · proposed 2030-03100 MW[4]
KIFER BESS 1CAISO 1918StorageIn study · proposed 2025-1250 MW[4]
MILPA POWER BANKCAISO 1457StorageIn study · proposed 2025-043 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
    —
  3. Permitting
    —
  4. Construction start
    —
  5. First operational
    —
  6. Expected completion
    —

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

Annual property tax
Not yet sourced

No county parcel or assessor records linked yet. County records are currently ingested for Loudoun County, VA and Maricopa County, AZ.

Size

Building footprint
122,600 sq ft[1]Likelyderived

Computed from the mapped OSM building outline.

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

No dated events sourced yet.

All claims (provenance audit)

17
FieldValueSourceConfidenceAs ofStatus
NameEquinix SV4way/99813512 name=Equinix SV4[1] Likely2026-09-27Shown
StatusOperating[1] derivedUnverified2026-09-27Shown
Facility typeColocation[1] derivedUnverified2026-09-27Shown
Websitehttps://www.equinix.com/data-centers/americas-colocation/united-states-colocation/silicon-valley-data-centers/sv4[1] Likely2026-09-27Shown
Address255 Caspian Drive, Sunnyvale, CA 94089[1] Likely2026-09-27Shown
OperatorEquinixoperator=Equinix[1] Likely2026-09-27Shown
UtilityPacific Gas and Electricterritory 14328: PACIFIC GAS & ELECTRIC CO. (INVESTOR OWNED, PACIFIC GAS & ELECT[2] derivedUnverified2022Shown
ISO / RTOCAISOCALIFORNIA INDEPENDENT SYSTEM OPERATOR[3] derivedLikely—Shown
Balancing authorityCISO[2] derivedLikely—Shown
Nearest mapped substationUnnamed substationway/805637708[1] derivedLikely2026-09-28Shown
Distance to substation1.4 km[1] derivedLikely2026-09-28Shown
Highest-voltage line nearby115 kV[1] derivedLikely2026-09-28Shown
Generation queued in county823 MW[4] derivedConfirmed2026-09-27Shown
State avg. industrial price25.11¢/kWh[5] Confirmed2026-07Shown
State avg. commercial price30.56¢/kWh[5] Confirmed2026-07Shown
Generation within 50 km2.43 GW[6] derivedConfirmed202502Shown
Building footprint122,600 sq ft[1] derivedLikely2026-09-27Shown