Hawaiian Electric's Waiau repower project (253 MW) selected for next stage of procurement

HAWAIIAN ELECTRIC INDUSTRIES INC

Proposal to replace six aging fossil-fuel generators at Waiau (253 MW) selected to advance in PUC procurement for firm renewable generation on Oʻahu.
Six combustion turbines, similar to jet engines, will replace units built between 1947-1968; initial fuel is biodiesel, potential for renewable gas/hydrogen.
First two units (Waiau Units 3 and 4, aged 76 and 73) to retire 2024; replacement expected in-service by 2029; all six units online by 2033.
Project still requires final PUC approval; cost details to be filed later; expects significant savings over 30 years vs. continuing to run aging units.

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