Lithium-ion batteries from Leclanche will be deployed in what is believed to be “the world’s first MW-scale renewable energy plus storage system” on the Portuguese island of Graciosa.
The battery energy storage solution will have a capacity of 2.8MW, to support the 4.5MW of wind power and 1MW of solar for the project, along with an intelligent energy management system being built by German-US developer Younicos.
With this project, Graciosa’s share of renewables will increase from 15% to 65%. This will stabilise the grid network and greatly reduce the need for thermal power generation and costly fuel imports to the island.
According to Leclanche, this project will “set new standards for islands worldwide”, which remain heavily dependent on fossil fuel imports currently. When combined with storage, the economic cost of energy is highly favourable to renewable energy against fossil fuels.
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