Former Mine Datacenter Sites in Hawaii
At a glance
Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.
Top former mine sites in Hawaii
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.1 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.1 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 50.1 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 50.1 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 49.9 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 49.8 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 49.3 |
| Mine Site | Former Mine | Maui County | — | — | 4.3 yrs | 49.1 |
| Mine Site | Former Mine | Honolulu County | — | — | 4.3 yrs | 48.9 |
| Mine Site | Former Mine | Maui County | — | — | 4.3 yrs | 48.7 |
| Mine Site | Former Mine | Maui County | — | — | 4.3 yrs | 48.5 |
| Mine Site | Former Mine | Maui County | — | — | 4.3 yrs | 48.5 |
| Mine Site | Former Mine | Kauai County | — | — | 4.3 yrs | 48.5 |
| Mine Site | Former Mine | Kauai County | — | — | 4.3 yrs | 48.5 |
| Mine Site | Former Mine | Maui County | — | — | 4.3 yrs | 48.5 |
| Mine Site | Former Mine | Kauai County | — | — | 4.3 yrs | 48.4 |
| Mine Site | Former Mine | Kauai County | — | — | 4.3 yrs | 48.4 |
| Mine Site | Former Mine | Maui County | — | — | 4.3 yrs | 48.4 |
How does Hawaii compare with other states for former mine sites?
With 58 sites, Hawaii ranks 47th of the 50 states that have any former mine candidate sites. Kentucky leads with 5,049. Nationally, former mine sites average 49.7/100 DC Readiness, below the 53.0 average across all site types. Across every site type, Hawaii averages 50.0, the 48th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.3 years.
Where are the highest-scoring former mine sites in Hawaii?
The top 25 range from 51.1 to 48.4 on the 0–100 DC Readiness Score. They are concentrated in Honolulu County (15), Maui County (6) and Kauai County (4).
County pages: Honolulu County · Maui County · Kauai County
What power, fiber and flood exposure do these former mine sites have?
Their counties have a median of 7 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 10 km. The median interconnection-queue wait in their markets is 4.3 years. 1 of the 7 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many former mine datacenter sites are in Hawaii?
GridCensus catalogs 58 former mine datacenter candidate sites in Hawaii, 0.2% of the national total for this type (47th of 50 states).
What is a former mine datacenter site?
Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.
What is the best former mine datacenter site in Hawaii?
By DC Readiness Score, Mine Site in Honolulu County ranks first at 51.1/100, followed by Mine Site in Honolulu County at 51.1.
Which Hawaii counties have the best former mine sites?
The top 25 former mine sites in Hawaii are concentrated in Honolulu County (15), Maui County (6) and Kauai County (4).
How does Hawaii score for datacenters overall?
All 252 scored sites in Hawaii average 50.0/100 DC Readiness, the 48th-highest of 52 states, against a national average of 53.0.
More on former mine sites and Hawaii
Former Mine sites in other states
- Former Mine sites in Kentucky· 5,049 sites
- Former Mine sites in Pennsylvania· 3,356 sites
- Former Mine sites in West Virginia· 2,495 sites
- Former Mine sites in Virginia· 1,614 sites
- Former Mine sites in Alabama· 1,069 sites
- Former Mine sites in Texas· 935 sites
- Former Mine sites in Ohio· 925 sites
- Former Mine sites in Tennessee· 661 sites
Dataset updated . Screening estimates derived from public data sources.
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 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Former Mine datacenter sites in Hawaii”, https://gridcensus.com/site-types/mine/hawaii (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Former Mine sites in 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.