DELTA
Substation-AdjacentSnohomish County, Washington · WECC
At a glance
DELTA is a substation-adjacent datacenter candidate site in Snohomish County, Washington, scoring 60.2/100 DC Readiness — 25th of 120 scored sites in the county. Its nearest substation is DELTA (0 mi, 115 kV). 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. 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 DELTA compare with other sites in Snohomish County?
DELTA ranks 25th of 120 scored candidate sites in Snohomish County. Its 60.2/100 is roughly in line with the county average of 56.9. It is about 16% above the Washington average of 51.7 and about 13% above the national average of 53.2.
Against the Washington average, its strongest sub-score is fiber connectivity (89 vs 63) 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 DELTA to power, fiber and other datacenters?
The nearest mapped substation, DELTA, is about 0 miles away and operates at 115 kV. For connectivity, the nearest internet exchange facility is EVRTWAXA - Everett Primary Central Office at 6.6 miles. 7 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Datacenter 13527396782, 3.8 miles away.
What are the flood, water and hazard risks at DELTA?
At the county level, FEMA's National Risk Index rates Snohomish 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 Snohomish County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP200917 | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 68.1 |
| MONROE | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 67.8 |
| SNOHOMISH | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 66.5 |
| BOTHELL | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 64.8 |
| TAP206030 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 64.5 |
| HORSE RANCH | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 64.4 |
| MURRAY | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 63.3 |
| CASINO | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 61.6 |
DELTA: common questions
What is the DC Readiness score of DELTA?
DELTA scores 60.2/100 on the GridCensus DC Readiness scale, rated good. It ranks 25th of 120 scored sites in Snohomish County. The Snohomish County average is 56.9 and the Washington average is 51.7.
What is the nearest substation to DELTA?
The nearest mapped substation is DELTA, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves DELTA?
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 DELTA in?
DELTA is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is DELTA from an internet exchange?
The nearest internet exchange facility is EVRTWAXA - Everett Primary Central Office, about 6.6 miles away; 7 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, “DELTA, Snohomish County, WA”, https://gridcensus.com/datacenter-sites/washington/snohomish-county/delta-636a0180 (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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