Chile: 1.25 GWh battery storage project gets green
Chile''s environmental impact assessment system has approved the 250 MW/1.25 GWh Battery Energy Storage System – BESS
With transmission lines at overcapacity and permitting delays slowing the development of new grid infrastructure, battery energy storage systems (BESS) have surged as a profitable alternative for Chilean power producers.
Enhancing grid stability —battery energy storage systems help mitigate transmission bottlenecks by storing power locally and reducing energy losses. Supporting hybrid renewable projects —Chile is converting diesel power plants in remote areas into solar-plus-storage hybrid systems.
The $225 million Polpaico BESS Energy Storage System, from Jinko Power Chile II, has a nominal power capacity of 300 MW and would have a scheduled start date of Nov. 23, 2026, in the Til Til commune of Chacabuco province, also in Metropolitan.
The $157.5 million, 120 MW/922.76 MWh Melipilla BESS Energy Storage System, from Sungrow El Arroyo, would have an estimated start date of Aug. 1, 2026 in the Melipilla commune of the Metropolitan region.
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