Ho’Ohana Solar 1
Ho’Ohana Solar 1 is a solar plant in Honolulu County, Hawaii, operated by Ho’Ohana Solar 1 LLC. It is the biggest of Hawaii’s 27 solar plants. Of its current capacity, 117 MW came online between 2023 and 2025. Within the Hawaiian Electric balancing area it is the third-largest of 23 plants.
Nameplate capacity, 2025
117 MW
117 MW net summer capacity
2 operable units
- Solar photovoltaic65.3 MW56%
- Battery52 MW44%
Unit by unit, 2025 to 2025
operating in 2025bar height follows unit size
Unit H0001 Solar photovoltaic, 65.3 MW, 2025
Unit HESS1 Battery, 52 MW, 2025
Among Hawaii’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Kahe610 MW
- 2Waiau375 MW
- 3Kalaeloa Cogen Plant299 MW
- 5Kapolei Energy Storage185 MW
- 6AES Maui Kuihelani Solar Hybrid120 MW
- 7Ho’Ohana Solar 1this plant
- 8Campbell Industrial Park113 MW
- 9H Power100 MW
Other rankings
- All US power plants
- 2367th of 14,286
- Power plants in Hawaii
- 7th of 76
- US solar plants
- 399th of 7,112
- Biggest single unit, among Hawaii’s plants
- 7th of 76
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| H0001 | Solar photovoltaic | 65.3 MW | 65.3 MW | 2025 | Operating |
| HESS1 | Battery | 52 MW | 52 MW | 2025 | Operating |
Grid and site
- Balancing area
- Hawaiian Electric
- Highest grid connection voltage
- 138 kV
- Nearest town on record
- Waipahu
- Operator type
- Independent producer
- Coordinates
- 21.419°N, 158.033°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Lanikuhana Solar LLC | Solar | 14.7 MW | 0.9 mi northeast |
| Mililani South Solar Farm | Battery storage | 78 MW | 1.1 mi northeast |
| Waihonu South Solar | Solar | 1.5 MW | 3.6 mi north |
| AES West Oahu Solar Hybrid | Battery storage | 25 MW | 3.7 mi southwest |
| Waihonu North Solar | Solar | 5 MW | 3.8 mi north |
| Waiawa Solar Power Hybrid | Battery storage | 72 MW | 4.0 mi east |
| Waipio Solar | Solar | 45.9 MW | 4.2 mi northeast |
| Schofield Generating Station | Biomass and waste | 50.4 MW | 4.4 mi north |