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