Preliminary 2025 facility recordOperating

Pearl City, HI · EIA plant 766

Waiau

Waiau is a oil & gas power facility in Pearl City, HI, with 375 MW of operating capacity.

Operating capacity375 MW6 operating generators
Proposed capacity0 MW0 proposed generators
UtilityHawaiian Electric Co IncEIA-reported operator
Balancing authorityNot reportedNot reported

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas375 MW
ProposedNo proposed capacity reported
Reported technologiesPetroleum Liquids

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source