AES Maui Kuihelani Solar Hybrid — Plant Summary
- EIA Plant ID
- 64256
- Capacity
- 120 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Maui, HI
- Operating Since
- 2024
- Generators
- 2
- Operator
- AES Distributed Energy
- Parent Company
- AES
- Annual Generation
- 106,800 MWh
- Capacity Factor
- 10.2%
- Balancing Authority
- Hawaiian Electric Co Inc
- ISO/RTO
- —
- NERC Region
- —
AES Maui Kuihelani Solar Hybrid
OperatingBESSSolarHybrid
Ranked #2 of 14 BESS plants in HI#280 of 837 nationally
120 MW Batteries (60 MW) + Solar Photovoltaic (60 MW) operating in Maui, HI — Hawaiian Electric Co Inc
EIAGEM
120 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Location
Coordinates
20.8439, -156.4850
County
Maui, HI
Nearby Plants
- Kuihelani SubstationDistillate Oil1 MW · 2.3 km
- MaalaeaDistillate Oil229.8 MW · 4.8 km
- KahuluiResidual Oil34 MW · 6.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Distributed Energy | AES | — |
| Owner(s) | AES Distributed Energy | AES | — |
| Status | Operating | operating | — |
Ownership Chain
About
The AES Maui Kuihelani Solar Hybrid plant is a 120 MW hybrid power plant located in Maui County, Hawaii. It is owned by AES and operated by AES Distributed Energy. The plant utilizes both solar photovoltaic technology and battery energy storage. The facility began operating in 2024 and is the second-largest of three utility-scale solar plants in the state, and ranks 441st of 514 nationally.
The plant features single-axis solar tracking and a 240 MWh lithium-ion battery energy storage system (BESS) with a duration of 4 hours. The plant's latest annual generation was 106,800 MWh, resulting in a capacity factor of 10.2%. The plant operates within the Hawaiian Electric Co Inc balancing authority. Financial data is available for the plant, sourced from LBNL Solar.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
Hawaiian Electric Co Inc
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
7.0K MWh
Net Discharge
106.8K MWh
Annual Net Energy
10.2%
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.
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (3)Beta
Hazards·flooding
Flood Watch: Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; M
Flood Watch issued March 21 at 3:53AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
NWS Honolulu HI·5 days ago
Industry·corporate
AES Hawaiʻi launches Kūihelani Solar-Plus-Storage in Central Maui—Hawaiʻi’s largest solar power facility
Located on 450 acres in central Maui, Kūihelani Solar-Plus-Storage is producing 60 MW of renewable energy supported by a 240 MWh lithium-ion battery energy...
AES Hawaiʻi (developer)
Maui Now·1 years ago
Industry·corporate
AES withdraws hybrid solar-plus-storage project from Hawaiian Electric procurement
AES Corporation has withdrawn a solar and battery storage hybrid facility from Hawaiian Electric Co renewable energy procurement.
AES Corporation (developer)Hawaiian Electric Co (buyer)
Energy-Storage.News·1 years ago
Last updated 2026-03-21
View all articles