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Preliminary 2025 facility recordOperating

Kapolei, HI · EIA plant 66067

Kapolei Energy Storage

Kapolei Energy Storage is a storage power facility in Kapolei, HI, with 185 MW of operating capacity.

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Operating capacity185 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityKapolei Energy Storage I, LLCEIA-reported operator
Balancing authorityHECOHawaiian Electric Co Inc

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage185 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

Nearby in HI

Related facilities

HI · 0.9 miKapolei Solar Energy Park1 MW →HI · 1.3 miHawaii Cogen12 MW →HI · 1.3 miKalaeloa Solar Two5 MW →HI · 1.7 miKalaeloa Home Lands Solar2 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