Image credit: Kapolei Energy Storage
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Plus Power has announced the commissioning of a 185 MW/565 MWh energy storage facility located on the Hawaiian island of Oahu. Kapolei Energy Storage (KES), which occupies eight acres of industrial land, has deployed 158 Tesla Megapack 2 XL lithium iron phosphate batteries to form an energy storage facility. The battery installation provides 135MW/540MWh of power and energy, plus an additional 50MW/25MWh “fast frequency response,” helping to maintain grid stability.
The Plus Power project was selected by Hawaiian Electric as part of its 2020 renewable energy procurement process. The energy storage site connects three of the company’s critical power generation facilities.
“It’s the first time a battery has been used by a major utility to balance the grid: providing fast frequency response, synthetic inertia and black start,” Plus Power’s CEO Brandon Keefe said commenting on the project (via Renewables Now).
About the Project
Kapolei Energy Storage (KES) is ideally located on roughly eight acres of land in Kapolei on the island of Oahu, where it interconnects at a critical Hawaiian Electric substation. The 185 MW / 565 MWh battery storage project provides load shifting and fast-frequency response services to Hawaiian Electric, enhancing grid reliability and accelerating the integration of readily available renewable energy. KES received approval from the Hawai’i Public Utilities Commission in May 2021. The Kapolei Energy Storage facility is now online.
The KES project helps replace the AES coal-fired plant that closed on September 1, 2022 and supports the state’s goal of shifting from fossil fuels to 100 percent renewable energy generation by 2045. The KES project received unanimous support from the local Neighborhood Board and approval of its Conditional Use Permit-Minor from the City and County of Honolulu. Situated in I-2 (Industrial) zoning outside the Tsunami Evacuation Zone, the KES project site is an optimal location for new energy infrastructure.
Article edited by @SmokeyShorts; follow him on X
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