Auwahi Wind Energy Hybrid — Plant Summary
- EIA Plant ID
- 57996
- Capacity
- 35 MW
- Primary Fuel
- Wind
- Technology
- Batteries, Onshore Wind Turbine
- Status
- Operating
- Location
- Maui, HI
- Operating Since
- 2012
- Generators
- 2
- Operator
- Auwahi Wind Energy LLC
- Parent Company
- —
- Annual Generation
- 87,169 MWh
- Capacity Factor
- 28.4%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Auwahi Wind Energy Hybrid
OperatingBESSWindHybrid
Ranked #2 of 8 Wind plants in HI#1005 of 1442 nationally
35 MW Batteries (11 MW) + Onshore Wind Turbine (24 MW) operating in Maui, HI
EIAGEMWD
35 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Onshore Wind Turbine
2012
Operating Since
Location
Ownership & Operator
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 | Auwahi Wind Energy LLC | AEP Renewables | — |
| Owner(s) | Auwahi Wind Energy LLC | AEP Renewables [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as AEP Renewables [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Located in Maui County, Hawaii, the Auwahi Wind Energy Hybrid plant has a total capacity of 35 MW. The facility, which began operating in 2012, is owned and operated by Auwahi Wind Energy LLC. It is a hybrid plant utilizing both onshore wind turbines and batteries. The plant is ranked 10th out of 20 power plants in the state and 642nd out of 1205 nationally.
The plant's wind turbines are manufactured by Siemens, model SWT-3.0-101, with a rotor diameter of 101 meters and a hub height of 80 meters. The battery energy storage system (BESS) has a storage capacity of 4.4 MWh and a duration of 0.4 hours, utilizing lithium-ion battery chemistry. The latest annual generation data indicates an output of 87,169 MWh, resulting in a capacity factor of 28.4%. The plant has 2 generators.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
5.1K MWh
Latest Month
87.2K MWh
Annual Generation
28.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
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·technology
As Maui approaches 100% renewables, NREL models grid options
Maui's electric power grid is expected to operate with 100% solar and wind on an instantaneous basis as early as 2024, and NREL is helping the island plan to...
NREL (other)
pv magazine USA·4 years ago
Industry·technology
NREL Methods Assist Maui in Approaching 100% Renewable Operations
Maui is not waiting until 2045 to meet Hawaii's clean energy mandates: The island is likely to become the first interconnected electric...
NREL (other)
National Laboratory of the Rockies (NLR) (.gov)·4 years ago
Last updated 2026-03-21
View all articles