Csquare SFO3
1400 Kifer Road · Sunnyvale, Santa Clara County, CA
Source: OpenStreetMap
Csquare SFO3 is an operating data center in Santa Clara County, CA, operated by CenterSquare (formerly Cyxtera). DataCentersExposed has documented a 71,209 sq ft footprint at this site.
Reporting by Eric Keller · Updated Jun 16, 2026
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkCsquare SFO3 is an operating colocation data center in Sunnyvale, Santa Clara County, California, run by CenterSquare, formerly Cyxtera. Its reported footprint is 71,209 square feet. The site draws power from Pacific Gas & Electric Co. inside the CISO balancing authority.
Operator chain
- Ultimate parentCenterSquare (formerly Cyxtera)
- Files asCenterSquare (formerly Cyxtera)
- This facilityCsquare SFO3
The grid behind this site, right now
source: CAISO · gridstatus- Solar62.2%
- Imports12.0%
- Wind7.6%
- Nuclear6.5%
- Natural Gas4.3%
- Hydro4.0%
- Geothermal2.2%
- Biomass1.2%
Real-time generation mix for the CAISO grid this site draws from, as of Jun 16, 2026, 4:35 PM. ISO-wide, not this facility's own metering. Source: gridstatus.
In the news
source: GDELTNo recent coverage found for this facility.
Tax breaks & subsidies
source: Good Jobs First / GASB 77No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.
Water use
No public record of this facility's water use. We check state withdrawal reporting for self-supplied sites; municipally supplied sites only become visible through a public-records request to the local water utility — a per-facility request tool is coming. If you have a utility document for this site, send it to us.
EPA permits & violations
source: EPA ECHONo reported violations as of last sync.
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (San Jose), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Adrian Wilcox High in Santa Clara, is 0.4 mi from this site (1,859 students). 3 public schools sit within a mile of the site.
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.