TASSAJARA
Substation-AdjacentContra Costa, California · CAISO
TASSAJARA is a substation-adjacent datacenter candidate site in Contra Costa, California, interconnecting through CAISO. It screens at 59.3/100 DC Readiness with a catalogued 300 MW of candidate capacity and a 5.7 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Connectivity
Site characteristics
Risk & environment
Location context
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 Contra Costa, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| ROSSMOOR | Substation-Adjacent | 230 kV | 300 MW | 5.7 yrs | 62.7 |
| EMBARCADERO | Substation-Adjacent | 230 kV | 300 MW | 5.7 yrs | 62.4 |
| San Francisco Electric Reliability Proj | Brownfield | — | 152 MW | — | 61.9 |
| TIDEWATER | Substation-Adjacent | 230 kV | 300 MW | 5.7 yrs | 61.4 |
| BAHIA | Substation-Adjacent | 230 kV | 300 MW | 5.7 yrs | 60.4 |
| SCHNITZER STEEL | Substation-Adjacent | 115 kV | 100 MW | 5.7 yrs | 60.3 |
| LONE TREE | Substation-Adjacent | 230 kV | 300 MW | 5.7 yrs | 60.3 |
| ROSSMOOR TAP 2 | Substation-Adjacent | 230 kV | 300 MW | 5.7 yrs | 59.0 |
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 TASSAJARA, Contra Costa. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.