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Preliminary 2025 facility recordOperating

Hilo, HI · EIA plant 54827

Wailuku River Hydroelectric

Wailuku River Hydroelectric is a hydro power facility in Hilo, HI, with 10 MW of operating capacity.

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Operating capacity10 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityWailuku Holding Company LLCEIA-reported operator
Balancing authorityNot reportedNot reported

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro10 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in HI

Related facilities

HI · 2.0 miWaiau Hydro1 MW →HI · 3.9 miPuueo3 MW →HI · 5.6 miKanoelehua21 MW →HI · 5.7 miW H Hill37 MW →

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