HI BESS Facilities
Battery Energy Storage System (BESS) facilities in HI state provide a critical bridge between renewable generation and reliable power delivery. By storing excess energy from solar, wind, and other sources, these sites help balance the grid, support peak demand, and improve resilience during outages. Increasingly paired with renewable farms and microgrids, HI state-level BESS projects also enable participation in virtual power plants (VPPs) and deliver services such as frequency regulation and backup power for critical infrastructure.
| BESS Facility | MW | Status |
|---|---|---|
| AES Kekaha Solar Hybrid | 14 | operating |
| AES Maui Kuihelani Solar Hybrid | 60 | planning |
| AES Waiawa Phase 2 Solar | 30 | planning |
| AES Waikoloa Solar Hybrid | 30 | planning |
| AES West Oahu Solar Hybrid | 12.5 | planning |
| Barbers Point Solar | 15 | planning |
| Hale Kuawehi Solar Hybrid | 30 | planning |
| Ho'Ohana Solar 1 | 52 | planning |
| Kahana Solar | 20 | planning |
| Kapolei Energy Storage | 185 | under construction |
| Kauai Island | operating | |
| Kupehau | 60 | planning |
| Mililani South Solar Farm | 39 | under construction |
| Paeahu Solar Hybrid | 15 | planning |
| Waiawa Solar Power Hybrid | 36 | planning |