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Datacenter Sites in Hawaii County, Hawaii

Hawaii County has 72 scored datacenter candidate sites averaging 46.9/100 DC Readiness, with a catalogued aggregate of 1,619 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.

At a glance

Hawaii County, Hawaii has 72 scored datacenter candidate sites averaging 46.9/100 DC Readiness, roughly in line with the Hawaii average of 50.0. It ranks 2nd of 4 Hawaii counties by number of sites and 4th by average score. The top-scoring site is Substation-Adjacent site · 4c341276 at 50.1/100.

72
Candidate sites
46.9/100
Avg DC Readiness
1,619 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Hawaii County

Site-selection context for Hawaii County

Yestax_credits
Datacenter tax incentive
46.02¢/kWh
Commercial electricity
39.73¢/kWh
Industrial electricity
2
Fiber providers
Low
Water stress
$8,886
Land price / acre
4,400
Cooling degree days
0
Heating degree days
77°F
Mean annual temp

Incentive detail: Enterprise Zone tax credits; limited applicability.

How does Hawaii County compare with other counties in Hawaii?

By number of scored sites, Hawaii County ranks 2nd of the 4 Hawaii counties with a county page, holding 29% of the state's 252 sites. Its average DC Readiness of 46.9/100 ranks 4th in the state and is about 12% below the national average of 53.2. Nationally it has the 500th-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 Hawaii County?

Substation-Adjacent sites are the most common (32, 44% of the county's inventory), followed by former mine (30) and industrial (6). 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 Hawaii County?

Industrial electricity averages 39.73¢/kWh and commercial 46.02¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (20). WRI water stress is low. 2 fiber providers report service in the county. The climate runs 4,400 cooling degree days a year with a mean temperature of 77°F. Land is valued around $8,886 an acre.

By site type

Top datacenter sites in Hawaii County

Top datacenter sites in Hawaii County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN156798Substation-Adjacent69 kV50 MW4.3 yrs50.1
UNKNOWN157715Substation-Adjacent69 kV50 MW4.3 yrs50.1
UNKNOWN157712Substation-Adjacent69 kV50 MW4.3 yrs50.1
UNKNOWN157728Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156800Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156807Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156799Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157714Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157713Substation-Adjacent69 kV50 MW4.3 yrs50.0
TAP155909Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157711Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156808Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157709Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157727Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156805Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156795Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157729Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157708Substation-Adjacent69 kV50 MW4.3 yrs50.0
TAP155642Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156806Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157718Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156797Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN156815Substation-Adjacent69 kV50 MW4.3 yrs50.0
UNKNOWN157730Substation-Adjacent69 kV50 MW4.3 yrs50.0
TAP155910Substation-Adjacent69 kV50 MW4.3 yrs50.0

Every scored site in Hawaii County

All 72 sites, best first.

Hawaii County datacenter FAQ

How many datacenter sites are in Hawaii County?

72 scored datacenter candidate sites, averaging 46.9/100 DC Readiness. That is the 2nd-most of 4 Hawaii counties with five or more sites.

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

Substation-Adjacent site · 4c341276 scores 50.1/100 DC Readiness, the highest of the 72 scored sites in Hawaii County (a substation-adjacent site).

Does Hawaii County offer datacenter tax incentives?

Enterprise Zone tax credits; limited applicability.

What is the natural-hazard risk in Hawaii County?

FEMA's National Risk Index rates Hawaii County as "Relatively Low" (score 20).

What are industrial electricity rates in Hawaii County?

Average industrial electricity is 39.73¢/kWh and commercial is 46.02¢/kWh in Hawaii County.

More in Hawaii

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, “Datacenter candidate sites in Hawaii County, Hawaii”, https://gridcensus.com/datacenter-sites/hawaii/hawaii-county (data as of October 10, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Hawaii County, Hawaii 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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