Mililani South Solar Farm
94-830 Lanikuhana Ave, Mililani, HI 96789Plant Summary Information
Mililani South Solar Farm is ranked #23 out of 65 power plants in Hawaii in terms of total annual net electricity generation.
Mililani South Solar Farm generated 13.0 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Mililani South Solar Farm |
|---|---|
| Utility Name | Mililani I Solar LLC |
| Location | Honolulu County, HI |
| Initial Operation Date | July 2022 |
| Last Update | Mar 2025 |
| Annual Generation | 62.5 GWh |
| Annual Consumption | 239.1 k MMBtu |
| Ranked #3,730 out of 12,288 Power Plants Nationwide | |
| Ranked #795 out of 6,174 Solar Power Plants Nationwide | |
| Ranked #23 out of 65 Hawaii Power Plants | |
| Ranked #3 out of 29 Hawaii Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Lanai Sustainability Research LLC (2013 to 2018) Mililani I Solar LLC (2019 to 2024) |
Map of Mililani South Solar Farm
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Mililani South Solar Farm.
Monthly Net Generation for Mililani South Solar Farm
Mililani South Solar Farm Details
| Summary Information | |
|---|---|
| Plant Name | Mililani South Solar Farm (57242) |
| Plant Address | 94-830 Lanikuhana Ave, Mililani, HI 96789 |
| Utility | Mililani I Solar LLC (62893) |
| Latitude, Longitude | 21.42792, -158.01985 |
| Generation Dates on File | Aug 2022 to Mar 2025 |
| Initial Operation Date | July 2022 |
| Annual Generation | 62.5 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | EG21-259 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | |
| Balancing Authority | () |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Hawaiian Electric Co Inc (19547) HI |
| Grid Voltage | 138.00 kV |
| Energy Storage | Yes |
Generator 1 Details Operating July 2022
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 39 MW |
| Summer Capacity | 39 MW |
| Winter Capacity | 39 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2022 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Time From Cold Shutdown To Full Load | 10M |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 50 |
| DC Net Capacity | 50.1 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Generator 2 Details Operating July 2022
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Single Owner |
| Nameplate Capacity | 39 MW |
| Summer Capacity | 39 MW |
| Winter Capacity | 39 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2022 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Electricity used for energy storage |
| Time From Cold Shutdown To Full Load | 10M |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 156 |
|---|---|
| Maximum Charge Rate | 39 MW |
| Maximum Discharge Rate | 39 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 156 |
| Storage Enclosure Type | CS |
| Excess Wind And Solar Generation | P |
| Ac Coupled | Yes |
| Direct Support Of Another Unit | Yes |
| Direct Support Plant Id | 57242 |
| Direct Support Gen Id | 1 |
| Support T D Asset | Yes |
Mililani South Solar Farm Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #785 | Chevron - Lost Hills Hybrid | Lost Hills, CA | 67.7 GWh |
| #786 | Lake Placid Solar Power Plant | Lake Placid, FL | 67.3 GWh |
| #787 | Dry Bridge Solar (Brown University) | North Kingstown, RI | 67.1 GWh |
| #788 | Columbia County Solar | Fort White, FL | 66.9 GWh |
| #789 | Gilchrist County Solar | Newberry, FL | 66.5 GWh |
| #790 | Bluebell Solar | Sterling City, TX | 66.4 GWh |
| #791 | FL Solar 4, LLC | Tallahassee, FL | 66.0 GWh |
| #792 | Innovative Solar 67 | Willard, NC | 65.7 GWh |
| #793 | Huck Finn Renewable Energy Center | Vandalia, MO | 65.4 GWh |
| #794 | McFarland B Solar and Storage | Dateland, AZ | 62.6 GWh |
| #796 | Hickory Solar | Jerseyville, IL | 65.1 GWh |
| #797 | Waiawa Solar Power Hybrid | Waipahu, HI | 62.1 GWh |
| #798 | Avalon Solar | Pima, AZ | 64.6 GWh |
| #799 | Buttonwood | Fort Pierce, FL | 64.6 GWh |
| #800 | Durrance | Mulberry, FL | 64.5 GWh |
| #801 | Central 40 | Newman, CA | 64.5 GWh |
| #802 | Innovative Solar 43, LLC | Ivanhoe, NC | 64.4 GWh |
| #803 | Morris Ridge Solar | Mount Morris, NY | 64.2 GWh |
| #804 | AES Waikoloa Solar Hybrid | Waikoloa Village, HI | 62.8 GWh |
| #805 | Hayhurst Texas Solar | Orla, TX | 64.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Mililani South Solar Farm.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES West Oahu Solar Hybrid | Waipahu, HI | 21.5 GWh | 4.7 mi |
| Aloha Solar Energy Fund 1 PK1 | Waianae, HI | 6.6 GWh | 8.6 mi |
| Campbell Industrial Park | Kapolei, HI | 71.9 GWh | 10.1 mi |
| HNL Emergency Power Facility | Honolulu, HI | 5.8 GWh | 9 mi |
| Kahe | Kapolei, HI | 2.9 TWh | 8.6 mi |
| Kalaeloa Cogen Plant | Kapolei, HI | 1.4 TWh | 10 mi |
| Kalaeloa Renewable Energy Park | Ewa Beach, HI | 4.3 GWh | 7 mi |
| Kalaeloa Solar Two | Honolulu, HI | 10.3 GWh | 8.6 mi |
| Kapolei Solar Energy Park | Kapolei, HI | 1.4 GWh | 9.7 mi |
| Lanikuhana Solar LLC | Mililani, HI | 31.1 GWh | 0.2 mi |
| Pearl City Peninsula Solar Park | Honolulu, HI | 1.2 GWh | 4.9 mi |
| Schofield Generating Station | Schofield Barracks, HI | 15.2 GWh | 4.3 mi |
| Tesoro Hawaii | Kapolei, HI | 159.8 GWh | 9.8 mi |
| Waiau | Pearl City, HI | 923.6 GWh | 4.6 mi |
| Waiawa Solar Power Hybrid | Waipahu, HI | 62.1 GWh | 3.2 mi |
| Waihonu North Solar | Mililani, HI | 4.5 GWh | 3 mi |
| Waihonu South Solar | Mililani, HI | 1.3 GWh | 2.8 mi |
| Waipio Peninsula | Waipio, HI | 17.5 GWh | 5 mi |
| Waipio Solar | Waipio, HI | 97.0 GWh | 3.1 mi |
| West Loch Solar One | Ewa Beach, HI | 36.5 GWh | 6.1 mi |