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72 MW Batteries (36 MW) + Solar Photovoltaic (36 MW) operating in Honolulu, HI — Hawaiian Electric Co Inc
72 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
21.4201, -157.9707
County
Honolulu, HI
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Waiawa Solar Power LLC | Clearway Energy Group | — |
| Owner(s) | Waiawa Solar Power LLC | Clearway Energy | — |
| Status | Operating | operating | — |
Waiawa Solar Power Hybrid is a 72 MW hybrid power plant located in Honolulu County, Hawaii. The plant, which began operating in 2023, is owned by Clearway Energy and operated by Waiawa Solar Power LLC. It utilizes both solar photovoltaic technology and batteries, with two generators on site. The primary fuel source is listed as MWH. The facility includes 4.6 MWh of battery energy storage with a 0.13-hour duration, utilizing lithium-ion battery chemistry. The solar array employs single-axis tracking.
The plant's latest annual generation was 58,019 MWh, resulting in a capacity factor of 9.2%. Waiawa Solar Power Hybrid operates within the Hawaiian Electric Co Inc balancing authority. It is ranked as the 5th largest power plant out of 20 in the state of Hawaii, and 559th out of 1205 nationally. Financial data is available for the plant, sourced from LBNL Solar.
Generated from EIA, GEM, and public data sources
Grid Region
Hawaii
Market
Bilateral Market
NERC Region
—
Balancing Authority
3.1K MWh
Net Discharge
58.0K MWh
Annual Net Energy
9.2%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Data from 2023–2024
$171.7/MWh
Energy Value
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
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ask pi about Waiawa Solar Power HybridHawaiian Electric Co Inc (HECO)
Grid Voltage
46.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP