Sand Island
IndustrialHonolulu County, Hawaii
At a glance
Sand Island is an industrial datacenter candidate site in Honolulu County, Hawaii, scoring 51.1/100 DC Readiness — 36th of 141 scored sites in the county. It sits in the HAWAIIAN ELECTRIC CO INC service territory.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone tax credits; limited applicability.
Site location
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How does Sand Island compare with other sites in Honolulu County?
Sand Island ranks 36th of 141 scored candidate sites in Honolulu County. Its 51.1/100 is roughly in line with the county average of 51.8. It is roughly in line with the Hawaii average of 50.0 and roughly in line with the national average of 53.2.
Against the Hawaii average, its strongest sub-score is fiber connectivity (53 vs 49) and its weakest is power availability (30 vs 34). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Sand Island to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Endeavor Data Center at 1.1 miles. 7 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Endeavor Data Center, 1.1 miles away.
What are the flood, water and hazard risks at Sand Island?
At the county level, FEMA's National Risk Index rates Honolulu County "Relatively Low".
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 Honolulu County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| CEIP | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.8 |
| KEWALO | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.7 |
| AES | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.5 |
| MAKALAPA | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.5 |
| KAHE 1 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.2 |
| WAHIAWA | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.9 |
| UNKNOWN173461 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.4 |
| HAIAWA | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.4 |
Sand Island: common questions
What is the DC Readiness score of Sand Island?
Sand Island scores 51.1/100 on the GridCensus DC Readiness scale, rated fair. It ranks 36th of 141 scored sites in Honolulu County. The Honolulu County average is 51.8 and the Hawaii average is 50.0.
Which electric utility serves Sand Island?
HAWAIIAN ELECTRIC CO INC (investor owned) holds the retail service territory that contains the site.
How far is Sand Island from an internet exchange?
The nearest internet exchange facility is Endeavor Data Center, about 1.1 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, “Sand Island, Honolulu County, HI”, https://gridcensus.com/datacenter-sites/hawaii/honolulu-county/sand-island-e7783ee4 (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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Every site and score for Sand Island, Honolulu County 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.