Puueo
BrownfieldHilo, Hawaii, Hawaii · Hawaii Electric Light Co Inc
Puueo is a former hydro site in Hilo, Hawaii, Hawaii, retired 2002-12-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 2 MW of generation, so the grid hookup, transmission rights, and often cooling-water access are already in place — collapsing the speed-to-power timeline versus a greenfield build.
Former use & capacity
Grid hookup & remediation
Site conditions & market — Hawaii County
County-level intelligence for this site's location — the power economics, water, hazard, connectivity, and workforce a developer screens before ever visiting. Assembled from FEMA NRI, BLS QCEW, FCC BDC, USGS water-use, and EIA.
Market & workforce
Power economics & interconnection
Water & cooling
Hazard, flood & connectivity
County-level context — address-level utility offerings and flood zoning vary within the county. Confirm site-specific service with the utility and a Phase I ESA.
Nearby brownfield & retired-generation sites
A proximity screen of other retired-plant, contaminated, and EPA-flagged sites near Puueo — the environmental neighborhood, ranked by legacy grid capacity.
| Site | Former use | Legacy MW | Distance | Cleanup status |
|---|---|---|---|---|
| Shipman | oil plant | 19 | 1.4 mi | — |
Derived from GridCensus's retired-generator & EPA brownfield dataset. Not a substitute for an ASTM E1527 Phase I environmental radius report.
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Nearby datacenter candidate sites
Scored candidate sites near Puueo, ranked by DC Readiness.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN156797 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN156795 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN156796 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN157710 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN157709 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN157708 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN157711 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.4 |
| UNKNOWN156798 | Substation-Adjacent | HI | Hawaii County | 69 kV | 50 MW | 3.5 yrs | 50.3 |
See all datacenter sites in Hawaii →
Dataset updated . Screening estimates derived from public data sources.
Brownfield attributes are derived from EIA retired-generator and EPA public data. Existing capacity reflects the retired plant's historical nameplate, not deliverable interconnection for a new load. Confirm reusable interconnection rights, remediation status, and site availability with the utility, ISO, and current owner.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Puueo, Hilo, Hawaii, Hawaii. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.