# Csquare SFO3

CAISO data center · https://askthegrid.com/assets/facilities/csquare-sfo3

Csquare SFO3 is a facility data center in Sunnyvale, Santa Clara County, CA. Csquare is identified as the operator, and the facility is operating. Spatial service-territory evidence associates the site with Pacific Gas & Electric Company (PG&E); the profile assigns the asset to CAISO through that documented market role. Reported development, power, and commercial facts retain their source-specific facility, campus, building, or phase scope; the page does not collapse those values into a single implied load.

## Identity and location

- Operating status: operating
- Asset scope: facility
- Location: 1400 Kifer Rd, Sunnyvale, Santa Clara County, CA
- Operator: Csquare (exact asset) — https://www.csquare.com

## Power and grid context

- Energized power: 3.2 MW · reported · exact asset · as of 2026-09-04 — UPS capacity listed for Csquare SFO3 (site-specification)
- Backup generation: 5 MW · reported · exact asset · as of 2026-09-04 — On-site generator capacity listed for Csquare SFO3 (site-specification)
- ISO/RTO: CAISO
- Balancing authority: CAISO
- Electric utility: Pacific Gas & Electric Company (PG&E)

## Development

- Site status: operating
- Construction: Csquare SFO3 is an operating Tier-III colocation facility in Sunnyvale (1400 Kifer Rd) operated by Csquare. The site is listed with 19,661 sq. ft. of raised floor and utility capacity of 8.6 MW. Csquare's public facility/spec sheet lists UPS capacity 3.2 MW and generator capacity 5 MW. No on-site land-transaction, site-acreage, building-count, or separate multi‑phase construction timeline details were published on the operator page.

## Compute and operations

- Facility classes: colocation, enterprise, telecom_edge, mixed
- Workloads: colocation hosting, enterprise IT, network / interconnection
- Operating context: Colocation facility operated by Csquare (branded SFO3 / SFO3-A), offering high-density colocation and scalable power configurations, N+1 redundancy for power/cooling and generator/UPS autonomy; marketed as part of Csquare's Silicon Valley colocation portfolio.

## Sources

- [http://ferc.gov/industries-data/electric/electric-power-markets/caiso](http://ferc.gov/industries-data/electric/electric-power-markets/caiso)
- [Centersquare: SF03 DC2 Data Center](https://baxtel.com/data-center/centersquare-sf03-dc2)
- [Centersquare: Sunnyvale SF03 Data Center](https://baxtel.com/data-center/centersquare-sunnyvale-sf03)
- [Csquare - Sunnyvale Data Center SFO3-A - Cloud and Colocation](https://cloudandcolocation.com/datacenters/csquare-sunnyvale-data-center-sfo3-a/)
- [Csquare SFO3 — Santa Clara County, CA · DataCentersExposed](https://datacenterexposed.com/facilities/csquare-sfo3-osmway-271893323)
- [Data Centers in Sunnyvale, CA (3 Facilities) | USDataMap](https://usdatamap.com/city/sunnyvale-ca)
- [Silicon Valley Colocation Data Centers | Power Available | Csquare](https://www.csquare.com/data-centers/silicon-valley)
- [Silicon Valley Market](https://www.csquare.com/hubfs/Centersquare%20website/docs/Csquare-SFO-SpecSheet.pdf)
- [Centersquare - Sunnyvale, CA | datacenter.fyi](https://www.datacenter.fyi/public-record/3557277f)
- [Csquare - 62 Data Centers - See Locations and Details](https://www.datacentermap.com/c/centersquare/)
- [Csquare: SFO3-A Sunnyvale Data Center](https://www.datacenters.com/centersquare-sfo3-a-sunnyvale)
- [Centersquare Data Center in Sunnyvale, CA](https://www.datacenters.com/centersquare-sfo3-sunnyvale-campus)
- [Energy Efficiency Rebates | Silicon Valley Power](https://www.siliconvalleypower.com/businesses/rebates)
- [Current Public Hearings | Sunnyvale, CA](https://www.sunnyvale.ca.gov/business-and-development/planning-and-building/current-public-hearings)

## Data quality

- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.

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Canonical page: https://askthegrid.com/assets/facilities/csquare-sfo3
Profile generated: 2026-09-04T18:53:00.742000Z
Source: Ask the Grid — https://askthegrid.com/