Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/57242
EIA plant 57242
Mililani · Honolulu · HI
Mililani South Solar Farm
Operated by Mililani I Solar LLC
Published location
Where is Mililani South Solar Farm?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
21.427916, -158.019850
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the HI plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
14,528
24,111
34,721
44,546
53,856
66,836
76,644
86,440
96,200
105,620
114,958
124,411
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 4,528 |
| 2 | 4,111 |
| 3 | 4,721 |
| 4 | 4,546 |
| 5 | 3,856 |
| 6 | 6,836 |
| 7 | 6,644 |
| 8 | 6,440 |
| 9 | 6,200 |
| 10 | 5,620 |
| 11 | 4,958 |
| 12 | 4,411 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 4,528 MWh |
| 2 | 4,111 MWh |
| 3 | 4,721 MWh |
| 4 | 4,546 MWh |
| 5 | 3,856 MWh |
| 6 | 6,836 MWh |
| 7 | 6,644 MWh |
| 8 | 6,440 MWh |
| 9 | 6,200 MWh |
| 10 | 5,620 MWh |
| 11 | 4,958 MWh |
| 12 | 4,411 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Solar Photovoltaic | SUN | 39 | OP |
| 2 | Batteries | MWH | 39 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
57242
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Mililani South Solar Farm power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Mililani South Solar Farm
Variation in the published months
Across 12 numeric monthly generation entries, 6 has the highest recorded value (6,836 MWh) and 5 the lowest (3,856 MWh). Their difference is 2,980 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| 1 | Solar Photovoltaic | 39.0 | 39.0 | 39.0 | Not supplied |
| 2 | Batteries | 39.0 | 39.0 | 39.0 | Not supplied |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.