COLUMBIA BASIN PROJECT
Federal ExcessGrant County, Washington · WECC
COLUMBIA BASIN PROJECT is a federal excess datacenter candidate site in Grant County, Washington, interconnecting through WECC. It screens at 55.7/100 DC Readiness and a 6.9 yrs average interconnection-queue wait.
Power & interconnection
Connectivity
Risk & environment
Location context
Incentive detail: Sales tax exemption on DC equipment and construction for eligible facilities; no state income tax.
Site location
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 Grant County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| COLUMBIA | Substation-Adjacent | 500 kV | 1,000 MW | 6.9 yrs | 68.1 |
| UNKNOWN206104 | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 67.1 |
| TAP206102 | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 66.8 |
| UNKNOWN209155 | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 66.7 |
| Wanapum | Brownfield | 500 kV | 1,038 MW | 6.9 yrs | 66.7 |
| LARSON | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 66.7 |
| TAP206103 | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 66.5 |
| EC Near Randolph Road | Greenfield | — | — | 1.7 yrs | 65.5 |
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 COLUMBIA BASIN PROJECT, Grant County. 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.