Datacenter Sites in Humboldt County, California

Humboldt County has 156 scored datacenter candidate sites averaging 41.4/100 DC Readiness, with a catalogued aggregate of 1,150 MW. FEMA rates local natural-hazard risk as "Relatively High".

At a glance

Humboldt County, California has 156 scored datacenter candidate sites averaging 41.4/100 DC Readiness, roughly in line with the California average of 45.4. It ranks 18th of 58 California counties by number of sites and 54th by average score. The top-scoring site is HUMBOLDT BAY at 47.6/100.

156

Candidate sites

41.4/100

Avg DC Readiness

1,150 MW

Catalogued capacity

theoretical aggregate

Relatively High

Hazard rating

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≥ 7560–7540–60≤ 40

Top 25 in Humboldt County

Site-selection context for Humboldt County

Datacenter tax incentive

29.51¢/kWh

Commercial electricity

22.64¢/kWh

Industrial electricity

Fiber providers

High

Water stress

$4,578

Land price / acre

1,000

Cooling degree days

2,500

Heating degree days

59°F

Mean annual temp

How does Humboldt County compare with other counties in California?

By number of scored sites, Humboldt County ranks 18th of the 58 California counties with a county page, holding 1.8% of the state's 8,490 sites. Its average DC Readiness of 41.4/100 ranks 54th in the state and is about 22% below the national average of 53.0. Nationally it has the 164th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 0 score 55 or higher.

What types of datacenter sites are in Humboldt County?

Industrial sites are the most common (103, 66% of the county's inventory), followed by substation-adjacent (19) and greenfield (16). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Humboldt County?

Industrial electricity averages 22.64¢/kWh and commercial 29.51¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (48). WRI water stress is high. 4 fiber providers report service in the county. The climate runs 1,000 cooling degree days a year with a mean temperature of 59°F. Land is valued around $4,578 an acre.

By site type

Top datacenter sites in Humboldt County

Top datacenter sites in Humboldt County
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
WILLOW CREEK	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
EC Near Humboldt Bay	Greenfield	—	—	7.6 yrs	44.7
PACIFIC LUMBER	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.7
LOUISIANA PACIFIC	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.7
CARLOTTA	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.6
NEWBURG	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.6
EEL RIVER	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.6
HOOPA	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.6
FRUITLAND	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.6
FORT STEWARD	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.5
EC Near Humboldt Bay	Greenfield	—	—	7.6 yrs	44.4
BLUE LAKE	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.3
RUSS RANCH	Substation-Adjacent	69 kV	50 MW	7.6 yrs	44.2
MAPLE CREEK	Substation-Adjacent	69 kV	50 MW	7.6 yrs	43.9
GROUSE CREEK	Substation-Adjacent	69 kV	50 MW	7.6 yrs	43.8
EC Near Humboldt Bay	Greenfield	—	—	7.6 yrs	43.6
EC Near Humboldt Bay	Greenfield	—	—	7.6 yrs	43.5

Every scored site in Humboldt County

All 156 sites, best first.

HUMBOLDT BAY · 47.6
EC Near Humboldt Bay · 88be0f73 · 47.2
ARCATA · 46.7
BRIDGEVILLE · 46.6
HUMBOLDT · 46.5
OZ Humboldt · e12a62e1 · 44.8
EC Near Humboldt Bay · 8453323d · 44.7
EUREKA STA E · 44.7
RIO DELL · 44.7
LOUISIANA PACIFIC · 44.7
WILLOW CREEK · 44.7
PACIFIC LUMBER · 44.7
CARLOTTA · 44.6
HOOPA · 44.6
NEWBURG · 44.6
EEL RIVER · 44.6
FRUITLAND · 44.6
FORT STEWARD · 44.5
EC Near Humboldt Bay · dc4d1e7f · 44.4
BLUE LAKE · 44.3
RUSS RANCH · 44.2
MAPLE CREEK · 43.9
GROUSE CREEK · 43.8
EC Near Humboldt Bay · 52f69fc2 · 43.6
EC Near Humboldt Bay · 195cc5fb · 43.5
EC Near Humboldt Bay · 8bab975f · 43.5
OZ Humboldt · 81f850ec · 43.2
OZ Humboldt · 415c566a · 42.9
EC Near Humboldt Bay · 5fd8da48 · 42.6
OZ Humboldt · 4e9be7c4 · 42.5
Wautec Village · 41.6
Tully Creek Former Illegal Dumpsite · 41.5
Johnsons Creek MJ Property · 41.5
Jason Lee, LLC · 41.5
Abbots Property (Tully Creek Illegal Dumpsite) · 41.5
Lewis Gulch Mill Property · 41.5
Camp Road Old Mill Site · 41.5
Yurok - Devil's Gultch Former Mill Site · 41.4
Upper Arrow Mill Property · 41.4
EC Near Humboldt Bay · c0692b89 · 41.4
Moore Ranch Road MJ Grows · 41.4
Devil Creek Property- former Orcutt Mill · 41.3
Apn 519-202-014 · 41.3
Former Mill Property · 41.3
Apn 520-021-002 · 41.1
Orick Town Site · 41.1
Apn 520-021-001 · 41.1
Former Big Oil and Tire · 41.1
Parcel 4 · 40.8
Old Carson Mill · 40.8
Samoa Roundhouse Site · 40.8
250 E Street · 40.8
Northcoast Environmental Center (NEC) · 40.8
1234 Guintoli Lane · 40.8
Gem & Mineral · 40.8
Kirkpatrick Property 007-112-001 · 40.8
Kramer 4 · 40.8
Tuluwat Village · 40.8
M Street Property · 40.8
Kinney Assignment · 40.8
Arcata South · 40.8
Kramer 2 · 40.8
Mine Site · f54ba9fc · 40.8
Kramer 1 · 40.8
Former Foundry/Old Carson Mill · 40.8
Ironhorst · 40.8
Humboldt Pacific Transport · 40.8
Apn 201-254-017 · 40.8
Little Lakes Industries · 40.8
Mine Site · d19c7eb4 · 40.8
Former Brizards Store · 40.7
Former Eel River Sawmills, Milla · 40.7
2074 Cochran Road · 40.7
Lindgren Mill Site · 40.7
Mine Site · e9a82724 · 40.7
Samoa Logdeck · 40.7
1680 Central Avenue · 40.7
Apn 401-281-001 · 40.7
Town of Samoa · 40.7
Mine Site · c5c05cbb · 40.7
APN: 001-191-005 · 40.7
Apn 522-201-01 · 40.7
Trinidad Pier Site · 40.7
Former JC Gist Mine · 69501434 · 40.7
Tire Fire Property · 40.7
Weitchpec/ Muddy Creek MJ Property · 40.7
Dellarsina Body and Fender Shop · 40.7
Apn 201-254-016 · 40.7
Former LP Mill 401-112-022 · 40.7
Former JC Gist Mine · b71a7a79 · 40.7
Redwood Marine Terminal II · 40.7
Former LP Mill - 401-112-017 · 40.7
Former LP Mill 401-031-068 · 40.7
Indian Island · 40.7
Mad River Parkway · 40.7
Former Brizard's Store · 40.7
Mine Site · eab6f575 · 40.7
Apn 522-491-16 · 40.7
509-021-012 · 40.7
541 Wildwood Avenue · 40.7
Samoa Access · 40.7
Kramer 5 · 40.7
1765 Central Avenue · 40.7
Former UIHS Clinic - Trinidad Rancheria · 40.7
255 Wildwood Avenue · 40.7
Former Eel River Sawmill · 40.7
Tsurai Village Properties · 40.7
Tully Ck Firehouse & Community Center · 40.7
Blue Lake Forest Products, APN 516-101-017 · 40.6
Blue Lake Forest Products, APN 516-111-060 · 40.6
Blue Lake Forest Products, APN 516-101-040 · 40.6
Blue Lake Forest Products, APN 516-101-063 · 40.6
Blue Lake Forest Products, APN 516-101-064 · 40.6
Mine Site · acc1b379 · 40.6
01703207 · 40.6
Blue Lake Forest Products · ee757e57 · 40.6
Sippin Creek MJ Property · 40.6
5851 Myrtle Avenue · 40.6
Blue Lake Forest Products, 516-101-084 · 40.6
508-242-012 · 40.6
Blue Lake Forest Products · 34c3c21a · 40.6
Upper Mawah Burned Home and Dumpsite · 40.6
Blue Lake Forest Products, APN 516-151-019 · 40.6
01703206 · 40.6
Blue Lake Forest Products, APN 516-101-060 · 40.6
Mine Site · 1be8fe46 · 40.6
Hoopa Valley Tribe - Wold Property · 40.6
Blue Lake Forest Products, APN 516-101-068 · 40.6
Hoopa Valley Tribe - Jackson Property · 40.6
Blue Lake Forest Products, APN 516-101-041 · 40.6
Hoopa High School Football Field · 40.5
Mine Site · 482b006f · 40.5
Blue Lake Industrial Park 025-201-022 · 40.5
Orleans Panamnik Building Parcel · 40.5
McKee Property · 40.5
Bluff Creek Resort · 40.5
Mine Site · a5446c3e · 40.5
Mine Site · 66b3b0b8 · 40.5
Mine Site · 0cc629fe · 40.4
Blue Lake Business Park 025-201-023 · 40.4
Blue Lake Business Park 025-201-019 · 40.4
Blue Lake Business Park 025-201-009 · 40.4
FORTUNA · 6a0768c6 · 40.4
FORTUNA · e50b5fb5 · 40.3
Mine Site · e024722c · 40.2
FORTUNA · 1f4826a6 · 40.2
FORTUNA · 6b669a45 · 40.2
EC Near Humboldt Bay · 86b2ca49 · 40.1
RAINBOW RIDGE · a2bfea0b · 40.1
Little Lake Industries · 39.9
Parcel 4 N · 39.8
RAINBOW RIDGE · c35c5cde · 39.8
Kramer 3 · 39.8
EC Near Humboldt Bay · 6b34d87f · 38.9
EC Near Humboldt Bay · eca486da · 38.9
OZ Humboldt · e24c9d84 · 35.5

Humboldt County datacenter FAQ

How many datacenter sites are in Humboldt County?

156 scored datacenter candidate sites, averaging 41.4/100 DC Readiness. That is the 18th-most of 58 California counties with five or more sites.

What is the highest-scoring datacenter site in Humboldt County?

HUMBOLDT BAY scores 47.6/100 DC Readiness, the highest of the 156 scored sites in Humboldt County (a substation-adjacent site).

Does Humboldt County offer datacenter tax incentives?

No datacenter-specific tax incentive is on record for Humboldt County in the GridCensus county dataset.

What is the natural-hazard risk in Humboldt County?

FEMA's National Risk Index rates Humboldt County as "Relatively High" (score 48).

What are industrial electricity rates in Humboldt County?

Average industrial electricity is 22.64¢/kWh and commercial is 29.51¢/kWh in Humboldt County.

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 November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Humboldt County, California”, https://gridcensus.com/datacenter-sites/california/humboldt-county (data as of November 13, 2026).

Dataset updated November 2026. Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Humboldt County, California is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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