Brownfield & Retired Power Plant Sites in Hawaii
16 catalogued brownfield and retired-generation sites in Hawaii, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| Honolulu | oil | 104 MW | 2014-01-01 | Honolulu |
| Joint Base Pearl Harbor-Hickam West Loch Annex | superfund | 42 MW | — | — |
| Shipman | oil | 19 MW | 2015-12-01 | Hawaii |
| Port Allen (HI) | oil | 10 MW | 2019-02-01 | Kauai |
| Ewa Nui Substation DG | oil | 10 MW | 2010-04-01 | Honolulu |
| Keahole | oil | 8 MW | 2004-05-01 | Hawaii |
| CEIP Substation Distributed Generation | oil | 5 MW | 2010-04-01 | Honolulu |
| Kalaeoloa Pole Yard DG | oil | 5 MW | 2010-04-01 | Honolulu |
| Helemano Substation DG | oil | 5 MW | 2010-04-01 | Honolulu |
| Iwilei Tank Farm DG | oil | 5 MW | 2010-04-01 | Honolulu |
| Gay Robinson | biomass | 4 MW | 2009-11-01 | Kauai |
| Waimea | oil | 3 MW | 2001-01-01 | Hawaii |
| Puueo | hydro | 2 MW | 2002-12-01 | Hawaii |
| Kapolei Sustainable Energy Park | rcra | 1 MW | — | — |
| Kalaheo Hydro | hydro | 1 MW | 2016-09-01 | Kauai |
| Goodfellow Bros. Solar Rooftop | rcra | 0 MW | — | — |
See all datacenter candidate sites in Hawaii →
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for brownfield sites in Hawaii. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.