The Porterstown Battery Energy Storage System is a 30,000kW energy storage project located in County Kildare, Dublin, Ireland.

The project will be commissioned in 2021.

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The Porterstown Battery Energy Storage System is being developed by Gore Street Energy Storage Fund. The project is owned by Gore Street Energy Storage Fund (100%).

The key applications of the project are frequency regulation and grid balancing.

Contractors involved

Gore Street Energy Storage Fund is the owner. Gore Street Energy Storage Fund is the developer.

Fluence Energy is the EPC contractor for the project.

Additional information

National Treasury Management Agency is investing in the project. The National Treasury Management Agency (NTMA) has agreed to invest GBP 9.5 million in two 30 MW battery storage projects (Portersdown in County Kildare and Kilmannock in County Wexford). The projects secured six-year contracts to deliver frequency services to domestic utility EirGrid.

About Gore Street Energy Storage Fund

Gore Street Energy Storage Fund Plc is a financial investor which provides sustainable and attractive dividend over the long term by investing in storage assets. The company is headquartered in the London, Greater London, the UK.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.