OZ Grays Harbor
GreenfieldGrays Harbor County, Washington · WECC
At a glance
OZ Grays Harbor is a greenfield datacenter candidate site in Grays Harbor County, Washington, scoring 45.6/100 DC Readiness — 75th of 75 scored sites in the county. It sits in the WECC grid region, 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 OZ Grays Harbor compare with other sites in Grays Harbor County?
OZ Grays Harbor ranks 75th of 75 scored candidate sites in Grays Harbor County. Its 45.6/100 is about 11% below the county average of 51.2. It is about 12% below the Washington average of 51.7 and about 14% below the national average of 53.2.
Against the Washington average, its strongest sub-score is water (70 vs 64) and its weakest is fiber connectivity (15 vs 63). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is OZ Grays Harbor to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Colocation Northwest - Tacoma at 74.7 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, 63.5 miles away.
What are the flood, water and hazard risks at OZ Grays Harbor?
The site is in FEMA flood zone OPEN WATER. WRI rates baseline water stress at 1.80 on a 0–5 scale. Mapped wetlands (National Wetlands Inventory) are present on the parcel. At the county level, FEMA's National Risk Index rates Grays Harbor 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 Grays Harbor County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SATSOP | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 63.7 |
| UNKNOWN206447 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.5 |
| TAP206448 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.4 |
| GRAYS HARBOR | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.3 |
| TAP207120 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 55.5 |
| TAP207110 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 55.5 |
| UNKNOWN206446 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 55.5 |
| UNKNOWN201837 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 55.4 |
OZ Grays Harbor: common questions
What is the DC Readiness score of OZ Grays Harbor?
OZ Grays Harbor scores 45.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 75th of 75 scored sites in Grays Harbor County. The Grays Harbor County average is 51.2 and the Washington average is 51.7.
What grid region is OZ Grays Harbor in?
OZ Grays Harbor is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
Is OZ Grays Harbor in a flood zone?
The site is in FEMA flood zone OPEN WATER.
Who owns OZ Grays Harbor?
Parcel records list the owner as PUD NO 1 OF GRAYS HARBOR COUNTY (private land).
How far is OZ Grays Harbor from an internet exchange?
The nearest internet exchange facility is Colocation Northwest - Tacoma, about 74.7 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, “OZ Grays Harbor, Grays Harbor County, WA”, https://gridcensus.com/datacenter-sites/washington/grays-harbor-county/oz-grays-harbor-a913de7c (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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