AES Maui Kuihelani Solar Hybrid
Solar and battery storage project in Maui County, Hawaii. 120 MW of nameplate capacity across 2 generators, operated by AES Distributed Energy.
Also known as EIA plant 64256
This project groups AES Maui Kuihelani Solar Hybrid (EIA 64256). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 120 MWSolar 60.0 · Battery storage 60.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- May 2024First generator online
- Operator
- AES Distributed EnergyEIA operator ID 61012
- Grid
- HECOBalancing authority HECO
- Price nodes
- None linkedNo verified ISO node
- Location
- Maui County, HI20.8439, −156.4850
- EIA plant ID
- 64256EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power AES Maui Kuihelani Solar Hybrid produces
Free · EIA-923Net generation, 2025
107 GWh
106,800 MWh, final
Capacity factor, 2025
20.7%
2024: Not reported
January to July 2026
47.4 GWh
Provisional
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | 47,216 | Not reported | 8 of 12 |
| 2025 | 106,800 | 20.7% | 12 of 12 |
| 2026 (provisional, partial year) | 47,352 | 16.0% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| KLNIB | Batteries | 60.0 | May 2024 |
| KULNI | Solar Photovoltaic | 60.0 | May 2024 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists AES Distributed Energy as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about AES Maui Kuihelani Solar Hybrid
How much power does AES Maui Kuihelani Solar Hybrid produce?
AES Maui Kuihelani Solar Hybrid reported 106,800 MWh (107 GWh) of net generation in 2025, a 20.7% capacity factor on 120 MW of nameplate capacity. From January to July 2026 it reported 47.4 GWh, which is provisional.
Where is AES Maui Kuihelani Solar Hybrid?
AES Maui Kuihelani Solar Hybrid is in Maui County, Hawaii, at 20.8439, −156.4850. It is in the Hawaiian Electric Co Inc balancing area (HECO).
Who operates AES Maui Kuihelani Solar Hybrid?
EIA-860M for August 2026 lists AES Distributed Energy as the operator (EIA operator ID 61012). The operator is not always the owner.
Is AES Maui Kuihelani Solar Hybrid a solar or a battery storage plant?
Both. Solar capacity totals 60 MW and battery storage capacity totals 60 MW.
When did AES Maui Kuihelani Solar Hybrid start operating?
Its first generator began operating in May 2024, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page