318 State Avenue
IndustrialThurston County, Washington · WECC
At a glance
318 State Avenue is an industrial datacenter candidate site in Thurston County, Washington, scoring 50.4/100 DC Readiness — 76th of 116 scored sites in the county. It sits in the WECC grid region and the PUGET SOUND ENERGY 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 318 State Avenue compare with other sites in Thurston County?
318 State Avenue ranks 76th of 116 scored candidate sites in Thurston County. Its 50.4/100 is roughly in line with the county average of 53.8. 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 natural hazard (72 vs 71) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is 318 State Avenue to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Colocation Northwest - Tacoma at 26 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, 14.8 miles away.
What are the flood, water and hazard risks at 318 State Avenue?
At the county level, FEMA's National Risk Index rates Thurston 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 Thurston County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN201455 | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 67.8 |
| OLYMPIA | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 63.9 |
| NAPAVINE | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 63.8 |
| YELM PP | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 61.8 |
| OZ Thurston | Greenfield | — | — | 3.5 yrs | 60.8 |
| OZ Thurston | Greenfield | — | — | 3.5 yrs | 60.7 |
| MAY STREET | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.5 |
| CHEHALIS | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.4 |
318 State Avenue: common questions
What is the DC Readiness score of 318 State Avenue?
318 State Avenue scores 50.4/100 on the GridCensus DC Readiness scale, rated fair. It ranks 76th of 116 scored sites in Thurston County. The Thurston County average is 53.8 and the Washington average is 51.7.
Which electric utility serves 318 State Avenue?
PUGET SOUND ENERGY INC (investor owned) holds the retail service territory that contains the site; its holding company is MACQUARIE GROUP.
What grid region is 318 State Avenue in?
318 State Avenue is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is 318 State Avenue from an internet exchange?
The nearest internet exchange facility is Colocation Northwest - Tacoma, about 26 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, “318 State Avenue, Thurston County, WA”, https://gridcensus.com/datacenter-sites/washington/thurston-county/318-state-avenue-d552cacb (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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