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Ireland inaugurated the country’s ‘largest’ grid-scale battery energy storage facility, located in Poolbeg Energy Hub. The 75 MW/150 MWh BESS is aimed at enhancing grid stability and facilitating greater integration of renewable energy into Ireland's power network. The project, with an investment value of USD 321 million, is a collaboration between Ireland's Electricity Supply Board and BESS manufacturer Fluence.

Image source: Fluence via LinkedIn
The BESS operates by storing excess energy generated from renewable sources like wind and solar during periods of low demand. This stored energy can then be released back into the grid when demand peaks, ensuring a reliable and stable electricity supply. This flexibility is crucial for integrating more renewables, which are inherently intermittent, into the grid without compromising its stability.
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The Dublin Energy Hub, housing the largest battery, serves as a testbed for the future of clean energy in Ireland. It is envisioned as a hub for integrating various green technologies, including offshore wind, hydrogen, and carbon capture and storage, all working together to power a sustainable future for the Emerald Isle. For further information about renewable energy projects in the region, explore our Ireland renewable energy projects database.
"Energy storage, like this major battery plant at the ESB's flagship site in Poolbeg, will be a core part of Ireland's new renewable energy transition," remarked Eamon Ryan, Ireland's Minister for the Environment, Climate, and Communications.
About Fluence
Fluence is a global leader in energy storage products and services and optimization software for renewables and storage. They are a joint venture between Siemens and AES Corporation and have been in operation since 2018.
Fluence's mission is to create a more sustainable future by providing innovative energy storage solutions that help people and businesses use clean, renewable energy more efficiently. They offer a wide range of products and services.
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