Grand Coulee Project at 48.815, -118.001
Federal ExcessStevens County, Washington · WECC
At a glance
Grand Coulee Project at 48.815, -118.001 is a federal excess datacenter candidate site in Stevens County, Washington, scoring 47.3/100 DC Readiness — 202nd of 577 scored sites in the county. It sits in the WECC grid region and the AVISTA CORP service territory, where interconnection has averaged 3.5 years from request to operation.
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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How does Grand Coulee Project at 48.815, -118.001 compare with other sites in Stevens County?
Grand Coulee Project at 48.815, -118.001 ranks 202nd of 577 scored candidate sites in Stevens County. Its 47.3/100 is roughly in line with the county average of 47.4. It is roughly in line with the Washington average of 51.7 and about 11% below the national average of 53.2.
Against the Washington average, its strongest sub-score is natural hazard (72 vs 71) and its weakest is fiber connectivity (54 vs 63). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Grand Coulee Project at 48.815, -118.001 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Neutron - Spokane at 84.3 miles. 9 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Lumen, 84.6 miles away.
What are the flood, water and hazard risks at Grand Coulee Project at 48.815, -118.001?
At the county level, FEMA's National Risk Index rates Stevens County "Relatively Moderate".
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 Stevens County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| ADDY | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 58.8 |
| TAP207714 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 54.4 |
| OZ Stevens | Greenfield | — | — | 3.5 yrs | 54.4 |
| TAP203491 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 54.3 |
| TAP203492 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 53.7 |
| TAP207711 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 53.6 |
| OZ Stevens | Greenfield | — | — | 3.5 yrs | 53.5 |
| COLVILLE | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 53.4 |
Grand Coulee Project at 48.815, -118.001: common questions
What is the DC Readiness score of Grand Coulee Project at 48.815, -118.001?
Grand Coulee Project at 48.815, -118.001 scores 47.3/100 on the GridCensus DC Readiness scale, rated fair. It ranks 202nd of 577 scored sites in Stevens County. The Stevens County average is 47.4 and the Washington average is 51.7.
Which electric utility serves Grand Coulee Project at 48.815, -118.001?
AVISTA CORP (investor owned) holds the retail service territory that contains the site.
What grid region is Grand Coulee Project at 48.815, -118.001 in?
Grand Coulee Project at 48.815, -118.001 is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Grand Coulee Project at 48.815, -118.001 from an internet exchange?
The nearest internet exchange facility is Neutron - Spokane, about 84.3 miles away; 9 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Grand Coulee Project at 48.815, -118.001, Stevens County, WA”, https://gridcensus.com/datacenter-sites/washington/stevens-county/grand-coulee-project-7e76e6b6 (data as of October 10, 2026).
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.
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