AES Waikoloa Solar + Storage Project is  Soon to Provide Hawaiian Electric with Clean Energy

The AES Waikoloa Solar + Storage project is being tested up to 85% of its capacity, producing clean energy for Hawaiian Electric to provide the Hawaii Island grid with electricity at 9 cents per kilowatt-hour, one of the lowest rates for energy in the state.
AES Waikoloa Solar + Storage Project is  Soon to Provide Hawaiian Electric with Clean Energy
West O‘ahu Solar + Storage (AES)

The AES Waikoloa project is Hawaii Island’s largest solar and battery storage project and on schedule to begin full operations by April 2023, or earlier, when a 25-year power purchase agreement with Hawaiian Electric takes effect. When fully operational, the project is expected to reduce typical residential bills on Hawaii Island about $2 a month.

Sandra Larsen, AES Market Business Leader for Hawaii, said this collaboration with Hawaiian Electric, as final construction and testing of the Waikoloa project is completed, will benefit Hawaii Island’s residents, businesses and the environment. Testing of the project has begun and will continue in January.

“We are in the final stage of having this large-scale clean energy project come fully online that will make a significant impact on the Big Island’s transition to a cleaner, greener way of producing electricity to improve the quality of life, both for today and for generations to come,” Larsen said. “We are proud to be partnering with Hawaiian Electric on this initiative and support their direction to produce clean energy for the good of Hawaii’s future.”

When the Waikoloa project completes testing, it will provide an additional generation resource to help meet demand when other resources are unavailable.

“This important project provides multiple benefits to customers on Hawaii Island, strengthening reliability and providing clean energy to the grid at about one-third the cost of oil,” said Shelee Kimura, president and CEO of Hawaiian Electric. “For more than 30 years, Hawaii Island has been a national leader in the transition to renewable energy and we’re proud to add AES Waikoloa Solar to the island’s diverse portfolio of resources.”

When fully operational, the Waikoloa project will generate 42.2 megawatts (DC) of renewable energy supported by a 120 MWh containerized lithium-ion battery energy storage system.

Located along Waikoloa Road on a 300-acre parcel about 7.5 miles from the Queen Kaahumanu Highway, the Waikoloa project broke ground in April 2021. Construction to install the photovoltaic solar panels and battery storage system began in November 2021. The solar panels and batteries are now fully installed, with testing of the facility ongoing until the project is 100% powered and approved to begin full operations.

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