84 plants · 4.2 GW total capacity
Hawaii has 84 power plants with 4.2 GW total capacity. The generation mix includes 28 solar, 19 oil, 13 battery plants.
Largest is Kahe (610 MW Residual Oil); oldest active is Wainiha Hydro (1906); newest is BRE - Ritz Carlton Kapalua (2025); top owner is Hawaiian Electric Industries (19 plants).