Csquare SFO3 — Sunnyvale Data Center

Csquare SFO3 is a data center operated by Csquare in Sunnyvale, CA, US. The facility is currently operational. It sits in the Sunnyvale data-center market on the CAISO grid, which DC Hub's Data Center Power Index currently rates CAUTION, with an estimated 41.1-month time-to-power. The market shows mixed signals — validate live grid headroom and queue depth before committing capacity.

Status
Operational
Market
Silicon Valley
City
Sunnyvale
State
CA
Country
US
Coordinates
37.3721, -121.9860

Market intelligence

CAUTION

Data Center Power Index verdict for Sunnyvale — the market this facility sits in.

Full DCPI breakdown →

Market context

DC Hub analyst read on Sunnyvale — the market this facility sits in (full deep-dive →).

Sunnyvale's data center footprint comprises 54 MW across 13 tracked facilities, a modest but strategically positioned cluster in Silicon Valley's core. Equinix operates the largest presence with 4 facilities, while Lumen Technologies and H5 Data Centers each maintain regional footholds. The market has seen no recent M&A activity, contrasting sharply with the sector-wide consolidation wave evidenced by the $40 billion Aligned Data Centers acquisition and ongoing mega-project announcements in competing jurisdictions. The DCPI verdict of CAUTION reflects a bifurcated risk profile: excess-power scores 65/100, indicating moderate but manageable supply cushion, while constraint scores 55/100, signaling real operational friction on the demand side. For acquisition-focused investors, this split is neither permissive nor prohibitive. The constraint score—hovering at the warning…

Location

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Market & grid context

Published DC Hub data for this location.

MarketSunnyvale
Grid operatorCAISO
DC Hub Power IndexCAUTION
Est. time to power41.1 months
LocationSunnyvale, US
Nearest substationwithin 1 km

Fiber connectivity

Networks recorded as present at or immediately around Csquare SFO3 in public peering records. Treat this as a map of who is there, not as a list of contracted cross-connects — availability, diversity and pricing are the operator’s to confirm.

Atlantic MetroBaiduC3AeroCCRCENIC / CalREN AS2152Central Host, Inc.Cisco Systems, Inc.ClouDNSCloudflareCogent Communications, Inc.ComcastEnergy Sciences Network (ESnet)

Further networks are recorded at this location beyond those listed here.

Source: PeeringDB carrier-to-facility records, matched to this site by location. A network listed here may sit in a neighbouring hall or an adjacent building at the same address, so presence is reported for the location rather than for a single suite.

Power generation nearby

DC Hub tracks 49 operating generating units totalling 2,960 MW within about 50 km of Sunnyvale, US. Generation mix shapes both carbon profile and interconnection options for a site at this location.

Oil/Gas2,565 MW · 12 units · 87%
Wind326 MW · 8 units · 11%
Utility-Scale Solar69 MW · 29 units · 2%

Source: Global Energy Monitor unit inventory, operating units only. Counts are units, not plants.

Other data centers nearby

Comparable facilities in Sunnyvale tracked by DC Hub — compare power, operators, and grid context across the market.

Get all 24,400+ facilities + power scores & site-selection tools — DC Hub from $49/mo → Full capacity report Free MCP key (AI agents) Used by Claude & Cursor
Data: DC Hub global infrastructure database · Raw JSON
Live grid, fiber & DCPI context for this facility — AI agents: query DC Hub MCP get_facility slug="csquare-sfo3-sunnyvale-74073f64" (endpoint https://dchub.cloud/mcp) for the full cited record. Connect: https://dchub.cloud/connect
Schema, units and the population behind every count: https://dchub.cloud/bind