ESB officially launches major battery project at Poolbeg Energy Hub as part of €300m investment

by Alison O'Hanlon
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ESB has opened a major battery plant at its Poolbeg site in Dublin which will add 75MW (150MWh) of fast-acting energy storage to help provide grid stability and deliver more renewables on Ireland’s electricity system.

This latest battery energy storage system (BESS), currently the largest site of its kind in commercial operation in Ireland, is part of ESB’s pipeline of projects which are being delivered at sites in Dublin and Cork – representing an investment of up to €300m. These high-capacity batteries can store excess renewable energy for discharge when required, and in doing so, help to support Ireland in reaching its ambitious climate targets by 2030 and ESB in achieving its Net Zero by 2040 strategy. 

This project, operational since late November 2023, has a capability of providing 75MW of energy for two hours to Ireland’s electricity system. 

This plant is located at ESB’s Poolbeg Energy Hub in Dublin where some of the latest technologies that will support the future delivery of renewable energy including batteries, hydrogen and offshore wind will be deployed over the next decade.

ESB is working with partners Fluence, as well as Irish companies, Kirby Group and Powercomm Group, in the delivery of these projects at Poolbeg, Aghada, Inchicore, and South Wall – the remainder of these projects are due to be completed this year.

Pictured at the launch of a new major battery plant at ESB’s Poolbeg Energy Hub is Jim Dollard, ESB Executive Director, Generation and Trading, Sean Rapple, Pre-Construction Director at Kirby Group, Eamon Ryan TD, Minister for the Environment, Climate and Communications, Paul McCusker, Fluence President of EMEA, and Claire Quane, ESB Renewable Operations Manager.

Eamon Ryan TD, Minister for the Environment, Climate and Communications, said “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 and will play a key role in balancing our new, homegrown power supply. No electricity system can operate without a backup. In Ireland this has traditionally been provided by fossil fuel generation. However, into the future, we can store increasing amounts of wind and solar power in energy storage projects and use it to support the system instead of relying on dirty and expensive coal or gas.”

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