UNION VALLEY
Substation-AdjacentEl Dorado County, California · CAISO
UNION VALLEY is a substation-adjacent datacenter candidate site in El Dorado County, California, interconnecting through CAISO. It screens at 50.1/100 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 El Dorado County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WHITE ROCK | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 51.9 |
| CAMINO | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 50.7 |
| JAYBIRD | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 50.3 |
| ROBBS PEAK | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 50.2 |
| LOON LAKE | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 50.0 |
| DIAMOND SPRINGS | Substation-Adjacent | 115 kV | 100 MW | 8.2 yrs | 47.9 |
| PLACERVILLE | Substation-Adjacent | 115 kV | 100 MW | 8.2 yrs | 47.7 |
| MICHIGAN CAL | Substation-Adjacent | 115 kV | 100 MW | 8.2 yrs | 46.5 |
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 UNION VALLEY, El Dorado 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.