Mililani South Solar Farm

94-830 Lanikuhana Ave, Mililani, HI 96789

Plant Summary Information

Mililani South Solar Farm is ranked #22 out of 65 power plants in Hawaii in terms of total annual net electricity generation.

Mililani South Solar Farm generated 18.3 GWh during the 3-month period between July 2024 to October 2024.

Plant NameMililani South Solar Farm
Utility NameMililani I Solar LLC
LocationHonolulu County, HI
Initial Operation DateJuly 2022
Last Update Oct 2024
Annual Generation 63.4 GWh
Annual Consumption 241.3 k MMBtu
Ranked #3,643 out of 11,866 Power Plants Nationwide
Ranked #734 out of 5,672 Solar Power Plants Nationwide
Ranked #22 out of 65 Hawaii Power Plants
Ranked #2 out of 30 Hawaii Solar Power Plants
Fuel Types Solar
Previous Operator Lanai Sustainability Research LLC (2013 to 2018)
Mililani I Solar LLC (2019 to 2023)

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Monthly Net Generation for Mililani South Solar Farm

15k15k12k12k9k9k6k6k3k3k00Jul '22Jul '2220232023Jul '23Jul '2320242024Jul '24Jul '24
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Mililani South Solar Farm Details

Summary Information
Plant NameMililani South Solar Farm (57242)
Plant Address94-830 Lanikuhana Ave, Mililani, HI 96789
UtilityMililani I Solar LLC (62893)
Latitude, Longitude21.42792, -158.01985
Generation Dates on FileAug 2022 to Oct 2024
Initial Operation DateJuly 2022
Annual Generation 63.4 GWh
Fuel Types Solar
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusYes
FERC Exempt Wholesale Generator Docket NumberEG21-259
Regulatory Information
Regulatory StatusNon-Regulated
NERC Region
Balancing Authority ()
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution OwnerHawaiian Electric Co Inc (19547) HI
Grid Voltage 138.00 kV
Energy StorageYes

Generator 1 Details Operating July 2022

TechnologySolar Photovoltaic
Prime MoverPhotovoltaic
OwnershipSingle Owner
Nameplate Capacity39 MW
Summer Capacity39 MW
Winter Capacity39 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 2022
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceSolar
Time From Cold Shutdown To Full Load10M
Solar Details
Single Axis TrackingYes
Azimuth Angle180
Tilt Angle50
DC Net Capacity50.1 MW
Crystalline SiliconYes
Net Metering AgreementNo
Virtual Net Metering AgreementNo

Generator 2 Details Operating July 2022

TechnologyBatteries
Prime MoverBattery
OwnershipSingle Owner
Nameplate Capacity39 MW
Summer Capacity39 MW
Winter Capacity39 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 2022
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceElectricity used for energy storage
Time From Cold Shutdown To Full Load10M
Energy Storage Details
Nameplate Energy Capacity MWH156
Maximum Charge Rate39 MW
Maximum Discharge Rate39 MW
Storage TechnologyLIB
Nameplate Reactive Power Rating156
Storage Enclosure TypeCS
Excess Wind And Solar GenerationP
Ac CoupledYes
Direct Support Of Another UnitYes
Direct Support Plant Id57242
Direct Support Gen Id1
Support T D AssetYes

Mililani South Solar Farm Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

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Below are closest 20 power plants surrounding Mililani South Solar Farm.

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Waipio PeninsulaWaipio, HI23.7 GWh5 mi
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