Former Mine site at 46.535, -121.957
Former MineLewis County, Washington · WECC
At a glance
Former Mine site at 46.535, -121.957 is a former mine datacenter candidate site in Lewis County, Washington, scoring 47.5/100 DC Readiness — 46th of 47 scored sites in the county. It sits in the WECC grid region and the PUD NO 1 OF LEWIS COUNTY 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 Former Mine site at 46.535, -121.957 compare with other sites in Lewis County?
Former Mine site at 46.535, -121.957 ranks 46th of 47 scored candidate sites in Lewis County. Its 47.5/100 is about 11% below the county average of 53.3. 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 (46 vs 63). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Former Mine site at 46.535, -121.957 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is ScaleMatrix Seattle Data Center US-West 02 at 45.4 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Wave Broadband Tahoma Terra Facility, 42.3 miles away.
What are the flood, water and hazard risks at Former Mine site at 46.535, -121.957?
At the county level, FEMA's National Risk Index rates Lewis 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 Lewis County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| EC Near Transalta Centralia Generation | Greenfield | — | — | 3.5 yrs | 59.9 |
| EC Near Transalta Centralia Generation | Greenfield | — | — | 3.5 yrs | 59.6 |
| MOSSYROCK PP | Substation-Adjacent | 240 kV | 300 MW | 3.5 yrs | 59.3 |
| MAYFIELD | Substation-Adjacent | 240 kV | 300 MW | 3.5 yrs | 59.0 |
| SILVER CREEK | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 58.8 |
| EC Coal Lewis County | Greenfield | — | — | 3.5 yrs | 58.5 |
| COWLITZ FALLS | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 58.1 |
| EC Coal Lewis County | Greenfield | — | — | 3.5 yrs | 57.3 |
Former Mine site at 46.535, -121.957: common questions
What is the DC Readiness score of Former Mine site at 46.535, -121.957?
Former Mine site at 46.535, -121.957 scores 47.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 46th of 47 scored sites in Lewis County. The Lewis County average is 53.3 and the Washington average is 51.7.
Which electric utility serves Former Mine site at 46.535, -121.957?
PUD NO 1 OF LEWIS COUNTY (political subdivision) holds the retail service territory that contains the site.
What grid region is Former Mine site at 46.535, -121.957 in?
Former Mine site at 46.535, -121.957 is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Former Mine site at 46.535, -121.957 from an internet exchange?
The nearest internet exchange facility is ScaleMatrix Seattle Data Center US-West 02, about 45.4 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, “Former Mine site at 46.535, -121.957, Lewis County, WA”, https://gridcensus.com/datacenter-sites/washington/lewis-county/mine-site-001a55f8 (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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