Snapshot: 2026-10-28. Review the linked evidence before relying on a claim. Related records and expansions must not be counted as additional facilities.
Review notes availableVantage Data Centers Management Co
Santa Clara, CA
Reported status: approved/permitted (EPA air-permit record)
Exact location not published.
Original source · 2026-10-28
Review note: Vantage Data Centers Management EPA permit source may relate to CA2 CSV693. Do not infer operational status or distinct building from EPA IDs.
Read 1 source findings (2026-10-30)
Vantage Data Centers Management EPA permit source may relate to CA2 CSV693. Do not infer operational status or distinct building from EPA IDs. Evidence
Vantage Data Centers Santa Clara I (CA1)
Santa Clara, CA · Vantage Data Centers
Reported status: operational
Reported capacity: 77 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Vantage Santa Clara I CA1 source includes first-party site portfolio but overlaps ODbL CSV689/Southland CSV690; verify CA1 physical building, phase and existing canonical before update.
Read 2 source findings (2026-10-30)
Vantage Santa Clara I CA1 source includes first-party site portfolio but overlaps ODbL CSV689/Southland CSV690; verify CA1 physical building, phase and existing canonical before update. Evidence
Operator verifies operating CA1 flagship campus at 2820 Northwestern Parkway. Six building names are one campus identity. Evidence
Existing project record
research-final:CA:c239ff6afaf22ac88d97Accepted facility identity linkedVantage Data Centers Santa Clara II (CA2)
Santa Clara, CA · Vantage Data Centers
Reported status: operational
Reported capacity: 75 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Vantage Santa Clara II CA2 operator site page distinct from CA1, but management EPA CSV691 may be same facility; only count separately after exact phase and canonical identity review.
Read 2 source findings (2026-10-30)
Vantage Santa Clara II CA2 operator site page distinct from CA1, but management EPA CSV691 may be same facility; only count separately after exact phase and canonical identity review. Evidence
Operator identifies separate CA2 campus. City December 2023 report confirms existing three-building data center site at 737 Mathew. Exact commissioning scope remains unknown. Operator ZIP 95051 differs from Census 95050; geometry held without silently replacing the ZIP. Evidence
Existing project record
research-final:CA:0f759184c994cb906d6cReview notes availableVantage Data Centers Santa Clara III (CA3)
Santa Clara, CA · Vantage Data Centers
Reported status: operational
Reported capacity: 64 MW (scope and operation unverified)
Regulatory reference: FRS facility point (stated accuracy 150 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-06-15
Review note: Vantage Santa Clara III CA3 includes operator data sheet and shared site branding; audit against CA1 CA2, campus phases and prior mapped Vantage records.
Read 1 source findings (2026-10-30)
Vantage Santa Clara III CA3 includes operator data sheet and shared site branding; audit against CA1 CA2, campus phases and prior mapped Vantage records. Evidence
Vantage V6 Data Center
Santa Clara, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Vantage V6 EPA registry entry potentially same Santa Clara campus/phase as other Vantage records CSV689–694; regulatory ID not a sixth confirmed data center.
Read 1 source findings (2026-10-30)
Vantage V6 EPA registry entry potentially same Santa Clara campus/phase as other Vantage records CSV689–694; regulatory ID not a sixth confirmed data center. Evidence
Fireline Broadband
Santa Fe Springs, CA · Fireline Network Solutions, Inc dba: Fireline Broadband
Reported status: operational
Exact location not published.
Original source · 2025-09-26
Review note: Fireline Broadband Santa Fe Springs PeeringDB network service point may be tenant network presence not physical owned colocation building; require operator site address.
Read 1 source findings (2026-10-30)
Fireline Broadband Santa Fe Springs PeeringDB network service point may be tenant network presence not physical owned colocation building; require operator site address. Evidence
SD / Comsat Santa Paula Ground Station
Santa Paula, CA · SD Data Center
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: SD/Comsat Santa Paula is a ground station/network satellite site, not automatically a data center facility; verify compute/colocation and independent physical site scope.
Read 1 source findings (2026-10-30)
SD/Comsat Santa Paula is a ground station/network satellite site, not automatically a data center facility; verify compute/colocation and independent physical site scope. Evidence
Former Exchange Bank Data Center
Santa Rosa, CA
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 50 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Former Exchange Bank Santa Rosa facility EPA entry is historical/former and may not operate as bank data center; do not convert to active colocation based on registry.
Read 1 source findings (2026-10-30)
Former Exchange Bank Santa Rosa facility EPA entry is historical/former and may not operate as bank data center; do not convert to active colocation based on registry. Evidence
Defense Manpower Data Center
Seaside, CA
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 50 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Defense Manpower Data Center Seaside is an agency name in EPA registry; distinguish administrative agency presence and real IT facility without exposing restricted data.
Read 1 source findings (2026-10-30)
Defense Manpower Data Center Seaside is an agency name in EPA registry; distinguish administrative agency presence and real IT facility without exposing restricted data. Evidence
Bank Of America-Simi Main Data Ctr
Simi Valley, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Bank of America Simi Valley EPA corporate data center report alone does not prove current operation, operating power or map geometry.
Read 1 source findings (2026-10-30)
Bank of America Simi Valley EPA corporate data center report alone does not prove current operation, operating power or map geometry. Evidence
Exelixis Data Center
South San Francisco, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Exelixis South San Francisco EPA duplicate FRS records may cover same corporate site, not two facilities. Resolve if actual dedicated data-center building.
Read 1 source findings (2026-10-30)
Exelixis South San Francisco EPA duplicate FRS records may cover same corporate site, not two facilities. Resolve if actual dedicated data-center building. Evidence
Google Llc
South San Francisco, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Google LLC South San Francisco EPA entry is not proof of stand-alone hyperscale campus; confirm exact use and rights first.
Read 1 source findings (2026-10-30)
Google LLC South San Francisco EPA entry is not proof of stand-alone hyperscale campus; confirm exact use and rights first. Evidence
Forsythe Data Center
Stanford, CA
Reported status: existing (mapped; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Stanford Forsythe data center ODbL-only building; no rights-cleared exact point, confirm campus/enterprise physical identity.
Read 1 source findings (2026-10-30)
Stanford Forsythe data center ODbL-only building; no rights-cleared exact point, confirm campus/enterprise physical identity. Evidence
Northwest Data Center and Communications Hub
Stanford, CA
Reported status: existing (mapped + EPA facility record)
Exact location not published.
Original source · 2026-06-14
Review note: Stanford Northwest Data Center and Communications Hub ODbL/EPA campus record may be distinct from Polya and Forsythe buildings; verify university primary site and address.
Read 1 source findings (2026-10-30)
Stanford Northwest Data Center and Communications Hub ODbL/EPA campus record may be distinct from Polya and Forsythe buildings; verify university primary site and address. Evidence
Polya Data Center
Stanford, CA
Reported status: existing (mapped; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Stanford Polya Data Center is ODbL node without independent university facility evidence; don't infer current operating IT MW or exact licensed point.
Read 1 source findings (2026-10-30)
Stanford Polya Data Center is ODbL node without independent university facility evidence; don't infer current operating IT MW or exact licensed point. Evidence
EZ Network Systems
Stockton, CA · EZ Network Systems
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: EZ Network Systems Stockton PeeringDB network-presence source does not prove owned physical facility; operator and street identity needed.
Read 2 source findings (2026-10-30)
EZ Network Systems Stockton PeeringDB network-presence source does not prove owned physical facility; operator and street identity needed. Evidence
EZ Network Systems Stockton PeeringDB network-presence source does not prove owned physical facility; operator and street identity needed. Evidence
Nautilus Stockton 1 Data Center
Stockton, CA · Nautilus Data Technologies
Reported status: operational
Reported capacity: 6.5 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-09-21
Review note: Nautilus Stockton 1 potential independent modular/floating data-center facility: source lists nautilusdt.com, CEQA and local coverage; verify one physical site, current operation and canonical collisions before one admission, no supplier 6.5 MW claim.
Read 5 source findings (2026-10-30)
Nautilus Stockton 1 potential independent modular/floating data-center facility: source lists nautilusdt.com, CEQA and local coverage; verify one physical site, current operation and canonical collisions before one admission, no supplier 6.5 MW claim. Evidence
Nautilus Stockton 1 potential independent modular/floating data-center facility: source lists nautilusdt.com, CEQA and local coverage; verify one physical site, current operation and canonical collisions before one admission, no supplier 6.5 MW claim. Evidence
Nautilus Stockton 1 potential independent modular/floating data-center facility: source lists nautilusdt.com, CEQA and local coverage; verify one physical site, current operation and canonical collisions before one admission, no supplier 6.5 MW claim. Evidence
Nautilus Stockton 1 potential independent modular/floating data-center facility: source lists nautilusdt.com, CEQA and local coverage; verify one physical site, current operation and canonical collisions before one admission, no supplier 6.5 MW claim. Evidence
Nautilus Stockton 1 potential independent modular/floating data-center facility: source lists nautilusdt.com, CEQA and local coverage; verify one physical site, current operation and canonical collisions before one admission, no supplier 6.5 MW claim. Evidence
Centurylink Qcc Sunnyvale Data Center
Sunnyvale, CA
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 30 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: CenturyLink QCC EPA 1400 Kifer Rd Sunnyvale matches Csquare SFO3 CSV710 address; historical name is not another data-center campus.
Read 1 source findings (2026-10-30)
CenturyLink QCC EPA 1400 Kifer Rd Sunnyvale matches Csquare SFO3 CSV710 address; historical name is not another data-center campus. Evidence
Cerebras Systems Data Center
Sunnyvale, CA
Reported status: operational
Exact location not published.
Original source · 2026-06-18
Review note: Cerebras Systems Sunnyvale supplier record could be tenant compute/HQ, not owned data center building; require first-party address.
Read 2 source findings (2026-10-30)
Cerebras Systems Sunnyvale supplier record could be tenant compute/HQ, not owned data center building; require first-party address. Evidence
Cerebras Systems Sunnyvale supplier record could be tenant compute/HQ, not owned data center building; require first-party address. Evidence
Csquare SFO3
Sunnyvale, CA · Csquare
Reported status: operational
Reported capacity: 8.6 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-09-21
Review note: Csquare SFO3 current operator official 1400 Kifer Rd location; separate first-party identity admission PR252 passed CI, not independently verified live; no second CenturyLink CSV708 campus or vendor map point.
Read 5 source findings (2026-10-30)
Csquare SFO3 current operator official 1400 Kifer Rd location; separate first-party identity admission PR252 passed CI, not independently verified live; no second CenturyLink CSV708 campus or vendor map point. Evidence
Csquare SFO3 current operator official 1400 Kifer Rd location; separate first-party identity admission PR252 passed CI, not independently verified live; no second CenturyLink CSV708 campus or vendor map point. Evidence
Csquare SFO3 current operator official 1400 Kifer Rd location; separate first-party identity admission PR252 passed CI, not independently verified live; no second CenturyLink CSV708 campus or vendor map point. Evidence
Csquare SFO3 current operator official 1400 Kifer Rd location; separate first-party identity admission PR252 passed CI, not independently verified live; no second CenturyLink CSV708 campus or vendor map point. Evidence
Csquare SFO3 current operator official 1400 Kifer Rd location; separate first-party identity admission PR252 passed CI, not independently verified live; no second CenturyLink CSV708 campus or vendor map point. Evidence
Existing project record
research-final:CA:372310a97410f0d1e41fReview notes availableCyxtera Communications, Llc Sn2
Sunnyvale, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Cyxtera SN2 EPA Sunnyvale record may be former branding or permitted tenant; reconcile successor Csquare and Element Critical site addresses.
Read 1 source findings (2026-10-30)
Cyxtera SN2 EPA Sunnyvale record may be former branding or permitted tenant; reconcile successor Csquare and Element Critical site addresses. Evidence
Element Critical
Sunnyvale, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Element Critical Sunnyvale EPA record requires exact first-party site and possible successor/collision review.
Read 1 source findings (2026-10-30)
Element Critical Sunnyvale EPA record requires exact first-party site and possible successor/collision review. Evidence
Equinix SV4
Sunnyvale, CA · Equinix
Reported status: operational
Reported capacity: 8.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-07-23
Review note: Equinix SV4 Sunnyvale IBX physical building; verify official building identity, address and accepted canonical, distinct from SV6.
Read 5 source findings (2026-10-30)
Equinix SV4 Sunnyvale IBX physical building; verify official building identity, address and accepted canonical, distinct from SV6. Evidence
Equinix SV4 Sunnyvale IBX physical building; verify official building identity, address and accepted canonical, distinct from SV6. Evidence
Equinix SV4 Sunnyvale IBX physical building; verify official building identity, address and accepted canonical, distinct from SV6. Evidence
Equinix SV4 Sunnyvale IBX physical building; verify official building identity, address and accepted canonical, distinct from SV6. Evidence
Equinix SV4 Sunnyvale IBX physical building; verify official building identity, address and accepted canonical, distinct from SV6. Evidence
Equinix SV6
Sunnyvale, CA · Equinix, Inc.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: Equinix SV6 Sunnyvale IBX physical building distinct from SV4; independent operator address and phase review required.
Read 5 source findings (2026-10-30)
Equinix SV6 Sunnyvale IBX physical building distinct from SV4; independent operator address and phase review required. Evidence
Equinix SV6 Sunnyvale IBX physical building distinct from SV4; independent operator address and phase review required. Evidence
Equinix SV6 Sunnyvale IBX physical building distinct from SV4; independent operator address and phase review required. Evidence
Equinix SV6 Sunnyvale IBX physical building distinct from SV4; independent operator address and phase review required. Evidence
Equinix SV6 Sunnyvale IBX physical building distinct from SV4; independent operator address and phase review required. Evidence
Google Llc
Sunnyvale, CA
Reported status: existing (EPA facility record; status unverified)
Exact location not published.
Original source · 2026-10-28
Review note: Google LLC Sunnyvale EPA record may be office/technical location; no proof of standalone data-center operation.
Read 1 source findings (2026-10-30)
Google LLC Sunnyvale EPA record may be office/technical location; no proof of standalone data-center operation. Evidence
H5 Data Centers Silicon Valley
Sunnyvale, CA · H5 Data Centers
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: H5 Data Centers Silicon Valley marketed colocation PeeringDB source; check operator site address and already accepted canonical.
Read 4 source findings (2026-10-30)
H5 Data Centers Silicon Valley marketed colocation PeeringDB source; check operator site address and already accepted canonical. Evidence
H5 Data Centers Silicon Valley marketed colocation PeeringDB source; check operator site address and already accepted canonical. Evidence
H5 Data Centers Silicon Valley marketed colocation PeeringDB source; check operator site address and already accepted canonical. Evidence
The current operator facility page identifies H5 Silicon Valley Colocation at 1360 Kifer Rd, Sunnyvale, CA 94086 and describes existing colocation services and facility infrastructure. Published capacity and redundancy specifications are not measured operating demand. Evidence
Existing project record
research-final:CA:a59398be29a60a4ce06fReview notes availableLevel(3) Sunnyvale
Sunnyvale, CA · Lumen Technologies Inc
Reported status: operational
Exact location not published.
Original source · 2025-09-26
Review note: Level(3) Sunnyvale network listing may refer to successor Lumen Sunnyvale 1 CSV718, not two sites.
Read 1 source findings (2026-10-30)
Level(3) Sunnyvale network listing may refer to successor Lumen Sunnyvale 1 CSV718, not two sites. Evidence
Lumen Sunnyvale 1
Sunnyvale, CA · Lumen Technologies
Reported status: operational
Reported capacity: 6 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-07-23
Review note: Lumen Sunnyvale 1 colocation facility candidate may be Level(3) CSV717 successor, verify operator-owned building and exact address.
Read 5 source findings (2026-10-30)
Lumen Sunnyvale 1 colocation facility candidate may be Level(3) CSV717 successor, verify operator-owned building and exact address. Evidence
Lumen Sunnyvale 1 colocation facility candidate may be Level(3) CSV717 successor, verify operator-owned building and exact address. Evidence
Lumen Sunnyvale 1 colocation facility candidate may be Level(3) CSV717 successor, verify operator-owned building and exact address. Evidence
Lumen Sunnyvale 1 colocation facility candidate may be Level(3) CSV717 successor, verify operator-owned building and exact address. Evidence
Lumen Sunnyvale 1 colocation facility candidate may be Level(3) CSV717 successor, verify operator-owned building and exact address. Evidence
Menlo Digital MD-SV1 (888–894 Ross Drive)
Sunnyvale, CA · Menlo Equities / Menlo Digital (Sunnyvale Technology Partners LLC)
Reported status: proposed
Reported capacity: 49 MW planned (scope and operation unverified)
Source reference: address match (exact): 894 ROSS DR, SUNNYVALE, CA, 94089. Census Geocoder; not a verified facility pin.
Original source · 2026-09-21
Review note: Menlo Digital MD-SV1 888–894 Ross Drive proposed development; possible same project as Menlo Equities CSV720.
Read 4 source findings (2026-10-30)
Menlo Digital MD-SV1 888–894 Ross Drive proposed development; possible same project as Menlo Equities CSV720. Evidence
Menlo Digital MD-SV1 888–894 Ross Drive proposed development; possible same project as Menlo Equities CSV720. Evidence
Menlo Digital MD-SV1 888–894 Ross Drive proposed development; possible same project as Menlo Equities CSV720. Evidence
Menlo Digital MD-SV1 888–894 Ross Drive proposed development; possible same project as Menlo Equities CSV720. Evidence
Menlo Equities Data Centere
Sunnyvale, CA
Reported status: proposed
Reported capacity: 49.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
Review note: Menlo Equities Data Centere proposed supplier map may overlap Menlo Digital MD-SV1 CSV719; phase and street review.
Read 2 source findings (2026-10-30)
Menlo Equities Data Centere proposed supplier map may overlap Menlo Digital MD-SV1 CSV719; phase and street review. Evidence
Menlo Equities Data Centere proposed supplier map may overlap Menlo Digital MD-SV1 CSV719; phase and street review. Evidence