OZ Humboldt
GreenfieldHumboldt County, California · CAISO
At a glance
OZ Humboldt is a greenfield datacenter candidate site in Humboldt County, California, scoring 42.9/100 DC Readiness — 28th of 156 scored sites in the county. It sits in the CAISO grid region and the PACIFIC GAS & ELECTRIC CO. service territory, where interconnection has averaged 7.6 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.
Site location
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How does OZ Humboldt compare with other sites in Humboldt County?
OZ Humboldt ranks 28th of 156 scored candidate sites in Humboldt County. Its 42.9/100 is roughly in line with the county average of 41.4. It is roughly in line with the California average of 45.4 and about 19% below the national average of 53.2.
Against the California average, its strongest sub-score is water (50 vs 27) and its weakest is fiber connectivity (55 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is OZ Humboldt to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Hemlock Plaza at 69.2 miles. 4 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Hemlock Plaza, 69.2 miles away.
What are the flood, water and hazard risks at OZ Humboldt?
The site is in FEMA flood zone D, where flood risk has not been determined. WRI rates baseline water stress at 3.80 on a 0–5 scale. No mapped wetlands are recorded on the parcel. At the county level, FEMA's National Risk Index rates Humboldt County "Relatively High".
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 Humboldt County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| HUMBOLDT BAY | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.6 |
| EC Near Humboldt Bay | Greenfield | — | — | 7.6 yrs | 47.2 |
| ARCATA | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.7 |
| BRIDGEVILLE | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.6 |
| HUMBOLDT | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.5 |
| OZ Humboldt | Greenfield | — | — | 7.6 yrs | 44.8 |
| RIO DELL | Substation-Adjacent | 69 kV | 50 MW | 7.6 yrs | 44.7 |
| EUREKA STA E | Substation-Adjacent | 69 kV | 50 MW | 7.6 yrs | 44.7 |
OZ Humboldt: common questions
What is the DC Readiness score of OZ Humboldt?
OZ Humboldt scores 42.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 28th of 156 scored sites in Humboldt County. The Humboldt County average is 41.4 and the California average is 45.4.
Which electric utility serves OZ Humboldt?
PACIFIC GAS & ELECTRIC CO. (investor owned) holds the retail service territory that contains the site; its holding company is PACIFIC GAS & ELECTRIC CORPORATION.
What grid region is OZ Humboldt in?
OZ Humboldt is in the CAISO region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
Is OZ Humboldt in a flood zone?
The site is in FEMA flood zone D, where flood risk has not been determined.
Who owns OZ Humboldt?
Parcel records list the owner as PACIFIC GAS & ELECTRIC COMPANY (private land).
How far is OZ Humboldt from an internet exchange?
The nearest internet exchange facility is Hemlock Plaza, about 69.2 miles away; 4 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 Humboldt, Humboldt County, CA”, https://gridcensus.com/datacenter-sites/california/humboldt-county/oz-humboldt-415c566a (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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