CLAYTON
Substation-AdjacentSpokane County, Washington · WECC
At a glance
CLAYTON is a substation-adjacent datacenter candidate site in Spokane County, Washington, scoring 56.6/100 DC Readiness — 71st of 140 scored sites in the county. Its nearest substation is CLAYTON (0 mi, 115 kV). It sits in the WECC grid region, where interconnection has averaged 3.5 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
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 CLAYTON compare with other sites in Spokane County?
CLAYTON ranks 71st of 140 scored candidate sites in Spokane County. Its 56.6/100 is roughly in line with the county average of 57.0. It is roughly in line with the Washington average of 51.7 and roughly in line with the national average of 53.2.
Against the Washington average, its strongest sub-score is power availability (56 vs 37) and its weakest is speed to power (50 vs 50). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is CLAYTON to power, fiber and other datacenters?
The nearest mapped substation, CLAYTON, is about 0 miles away and operates at 115 kV. For connectivity, the nearest internet exchange facility is Neutron - Spokane at 25.4 miles. 16 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Lumen, 25.7 miles away.
What are the flood, water and hazard risks at CLAYTON?
At the county level, FEMA's National Risk Index rates Spokane 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 Spokane County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BELL | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 68.0 |
| OZ Spokane | Greenfield | — | — | 3.5 yrs | 65.4 |
| UNKNOWN201468 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 64.7 |
| BEACON | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 63.9 |
| WESTSIDE | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 63.4 |
| Greenfield (BELL - TAFT) | Greenfield | 500 kV | 1,000 MW | 3.5 yrs | 61.4 |
| TAP205391 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 60.7 |
| UNKNOWN205382 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 60.7 |
CLAYTON: common questions
What is the DC Readiness score of CLAYTON?
CLAYTON scores 56.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 71st of 140 scored sites in Spokane County. The Spokane County average is 57.0 and the Washington average is 51.7.
What is the nearest substation to CLAYTON?
The nearest mapped substation is CLAYTON, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is CLAYTON in?
CLAYTON is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is CLAYTON from an internet exchange?
The nearest internet exchange facility is Neutron - Spokane, about 25.4 miles away; 16 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, “CLAYTON, Spokane County, WA”, https://gridcensus.com/datacenter-sites/washington/spokane-county/clayton-914a2910 (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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