Greenfield (ASHE - SLATT)
GreenfieldGilliam County, Washington · WECC
Greenfield (ASHE - SLATT) is a greenfield datacenter candidate site in Gilliam County, Washington, interconnecting through WECC. It screens at 60.4/100 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
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone property tax exemption for 3-15 years; no sales tax in Oregon.
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 Gilliam County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SLATT | Substation-Adjacent | 500 kV | 1,000 MW | 6.9 yrs | 66.1 |
| Columbia Ridge Landfill Phase II | Brownfield | 115 kV | 50 MW | 6.9 yrs | 62.8 |
| DALREED | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 62.4 |
| SHEPHERDS NORTH | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 62.3 |
| SHEPHERDS SOUTH | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 61.8 |
| UNKNOWN201545 | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 61.5 |
| JONES CANYON | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 61.5 |
| Greenfield (JOHN DAY 2 - SLATT) | Greenfield | 500 kV | 1,000 MW | 6.9 yrs | 59.7 |
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 Greenfield (ASHE - SLATT), Gilliam 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.