The Troumassee Solar Farm, expected to be completed by November 2025, is a major component of Saint Lucia’s renewable energy strategy. The project will feature 25 megawatts (MW) of solar photovoltaic (PV) technology along with 50 megawatt-hours (MWh) of battery energy storage.
[pdf] Construction work will include the development of 10 MW of solar power along with an energy storage system with two-hour lithium-ion batteries with a capacity of approximately 13 MW / 26 MWh, as well as connection to LUCELEC’s 66 kV transmission grid.
[pdf] May 7, 2025 – With 278 lithium-ion units now drawing and storing power from Ontario’s grid, the Oneida Energy Storage Project has officially entered commercial operation, becoming the largest battery energy storage facility in operation in Canada, and among the largest globally.
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