SAN MATEO
Substation-AdjacentSan Mateo County, California · CAISO
SAN MATEO is a substation-adjacent datacenter candidate site in San Mateo County, California, interconnecting through CAISO. It screens at 56.7/100 DC Readiness with a catalogued 300 MW of candidate capacity and a 8.2 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in San Mateo County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Hunters Point | Brownfield | 115 kV | 427 MW | 5.7 yrs | 61.3 |
| MARTIN | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 58.4 |
| S.L.A.C. | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 58.2 |
| RAVENSWOOD | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 57.4 |
| MONTA VISTA (UPPER) | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 57.2 |
| JEFFERSON | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 57.0 |
| S.L.A.C. TAP | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 56.8 |
| TRANS BAY CABLE FACILITY | Substation-Adjacent | 200 kV | 100 MW | 8.2 yrs | 55.4 |
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for SAN MATEO, San Mateo County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.