The AES-Kekaha Solar PV Park – Battery Energy Storage System is a 14,000kW energy storage project located in Kauai, Kekaha, Hawaii, US. The rated storage capacity of the project is 70,000kWh.

The project was announced in 2017.


The AES-Kekaha Solar PV Park – Battery Energy Storage System is being developed by AES Distributed Energy. The project is owned by AES Distributed Energy (100%), a subsidiary of The AES.

The key applications of the project are renewables capacity firming, renewables energy time shift and resiliency.

Contractors involved

AES Distributed Energy is the owner. AES Distributed Energy is the developer.

Additional information

The facility will provide renewable power after sunset to help meet KIUC’s members’ electricity needs during peak usage hours. The facility will also have the capability of directly supporting PMRF’s mission-critical activities in the event of a short-term or extended grid outage. Kauai Island Utility Cooperative (KIUC) has selected AES Distributed Energy to construct and operate the facility. The bulk of the project costs will be paid up-front by AES, who will then sell energy to KIUC via a 25-year Purchase Power Agreement (PPA) priced at 10.85 cents per kWh.

About AES Distributed Energy

AES Distributed Energy Inc (AES), formerly Main Street Power Company Inc, a subsidiary of The AES Corp, is a renewable energy company that develops, owns and operates distributed generation photovoltaic solar systems. The company offers co-development, asset management and operation, project development, distributed energy solutions and financing solutions. Its co-development services include project due diligence, contract structuring, equipment procurement, and engineering and scheduling. AES’ distributed energy solutions comprise solar PV and energy storage project development, combined heat and power, distributed storage, and energy management and efficiency. The company caters its services to schools, municipalities, utilities, corporations, and commercial and industrial clients across the US. AES is headquartered in Boulder, Colorado, the US.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.