CUSTER
Substation-AdjacentSan Juan County, Washington · WECC
CUSTER is a substation-adjacent datacenter candidate site in San Juan County, Washington, interconnecting through WECC. It screens at 67.4/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 6.9 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.
Incentive detail: Sales tax exemption on DC equipment and construction for eligible facilities; no state income tax.
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 Juan County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| INGLEDOW | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 64.0 |
| INTALCO | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 63.1 |
| TAP206061 | Substation-Adjacent | 115 kV | 100 MW | 6.9 yrs | 60.4 |
| UNKNOWN206062 | Substation-Adjacent | 115 kV | 100 MW | 6.9 yrs | 59.3 |
| UNKNOWN206769 | Substation-Adjacent | 115 kV | 100 MW | 6.9 yrs | 59.1 |
| TAP206770 | Substation-Adjacent | 115 kV | 100 MW | 6.9 yrs | 59.0 |
| UNKNOWN201414 | Substation-Adjacent | 115 kV | 100 MW | 6.9 yrs | 58.8 |
| UNKNOWN206054 | Substation-Adjacent | 115 kV | 100 MW | 6.9 yrs | 58.8 |
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
Every site and score for CUSTER, San Juan County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.