Red Shirt Mill
IndustrialOkanogan County, Washington · WECC
At a glance
Red Shirt Mill is an industrial datacenter candidate site in Okanogan County, Washington, scoring 46.2/100 DC Readiness — 108th of 125 scored sites in the county. It sits in the WECC grid region and the OKANOGAN COUNTY ELEC COOP, INC 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 Red Shirt Mill compare with other sites in Okanogan County?
Red Shirt Mill ranks 108th of 125 scored candidate sites in Okanogan County. Its 46.2/100 is roughly in line with the county average of 48.1. It is about 11% below the Washington average of 51.7 and about 13% 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 (41 vs 63). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Red Shirt Mill to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is H5 Data Centers Quincy at 77 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Microsoft EAT04, 64.5 miles away.
What are the flood, water and hazard risks at Red Shirt Mill?
At the county level, FEMA's National Risk Index rates Okanogan 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 Okanogan County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP206473 | Substation-Adjacent | 275 kV | 300 MW | 3.5 yrs | 58.7 |
| UNKNOWN209275 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 58.1 |
| EAST OMAK | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 57.9 |
| OZ Okanogan | Greenfield | — | — | 3.5 yrs | 57.0 |
| OZ Okanogan | Greenfield | — | — | 3.5 yrs | 55.8 |
| UNKNOWN209274 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 54.4 |
| TAP206472 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 54.0 |
| OROVILLE | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 53.7 |
Red Shirt Mill: common questions
What is the DC Readiness score of Red Shirt Mill?
Red Shirt Mill scores 46.2/100 on the GridCensus DC Readiness scale, rated fair. It ranks 108th of 125 scored sites in Okanogan County. The Okanogan County average is 48.1 and the Washington average is 51.7.
Which electric utility serves Red Shirt Mill?
OKANOGAN COUNTY ELEC COOP, INC (not available) holds the retail service territory that contains the site.
What grid region is Red Shirt Mill in?
Red Shirt Mill is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Red Shirt Mill from an internet exchange?
The nearest internet exchange facility is H5 Data Centers Quincy, about 77 miles away; 8 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, “Red Shirt Mill, Okanogan County, WA”, https://gridcensus.com/datacenter-sites/washington/okanogan-county/red-shirt-mill-8f4f1cb5 (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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