Power plants in Kauai County, Hawaii
13 operating power plants in Kauai County, Hawaii, with 279 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
13
Nameplate capacity
279 MW
Net generation, 2025
482 GWh
12 of 13 plants reported
Largest power plants in Kauai County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Port Allen (HI)Oil | 90 | 78.8 | 10.1% |
| 2 | AES Lawai Solar HybridSolar and battery storage | 40 | 40.2 | 23.4% |
| 3 | Kapaia Power StationOther fuels | 39 | 190 | – |
| 4 | KIUC Kapaia PV and BA Storage Project HySolar and battery storage | 28 | 21.1 | 17.4% |
| 5 | AES Kekaha Solar, LLC HybridSolar and battery storage | 28 | 26.6 | 22.3% |
| 6 | KRS I Anahola Solar HybridSolar | 12 | 20.6 | 19.6% |
| 7 | KRS II Koloa SolarSolar | 12 | 19.2 | 18.2% |
| 8 | Biomass to Energy Facility, KauaiBiomass and oil | 10 | 28.6 | 31.7% |
| 9 | Gay RobinsonHydro | 7.7 | 35.6 | 46.7% |
| 10 | Port Allen SolarSolar | 6.0 | – | – |
| 11 | Wainiha HydroHydro | 3.6 | 19.1 | 60.6% |
| 12 | Kalaheo HydroHydro | 2.0 | 0.5 | 2.6% |
| 13 | Kapaa Photovoltaic ProjectSolar | 1.0 | 1.6 | 18.3% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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