We are committed to the societal goal of achieving net zero emissions through the generation of renewable electricity
Clare Duffy, our dispatchable generation and storage manager, explains why ESB is investing significantly in large scale battery projects and the role they play in Ireland's net zero energy future.
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Our aim is to develop a pipeline of projects to deliver large scale batteries while also developing a growing solar energy portfolio.
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Since 1998, starting with our 5MW wind farm in Crockahenny, we’ve built an onshore wind portfolio supplying nearly 850MW of clean energy in Ireland and the UK.
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Offshore wind is playing a major role globally in mankind's fight against climate change and our transition to a zero carbon economy. We have been involved in offshore wind generation since 2017 with a number of planned projects for Ireland and the UK.
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We currently have more than 300MWs of battery storage capacity in operation in Ireland, making it one of the largest battery portfolios in Europe.
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We have set an ambitious and bold course of action to help Ireland achieve climate action targets and transition the country to reliable, affordable, net zero energy. Green Atlantic @ Moneypoint is a multi-billion Euro programme of significant investments on the County Clare site over the next decade.
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We have deployed fuel cell units as part of the first phase of a demonstration-scale green hydrogen lighthouse project. We have hosted the facilities at the Irish Open at Portrush as well as Microsoft and our head office in Dublin.
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Fuel: Water
Capacity: 86MW
Commissioned: 1929 and 1934
Technology: Vertical-Shaft Francis Generators (Units 1, 2 and 3 – 1929) and Kaplan Turbine Generator (Unit 4, 1934)
Ardnacrusha has the distinction of being ESB’s first hydro station. It is also Ireland’s largest river hydroelectric scheme and operates on a purpose-built canal connected to the Shannon.
Ardnacrusha was a ground-breaking development in 1929 and unique in that the national grid (110kV) was constructed at the same time. For these reasons, it was a model for large scale electrification schemes worldwide. At the time, the 86 MW capacity was enough to meet the electricity demands of the whole country. Today, Ardnacrusha represents around 2% of our total installed capacity.
Water is delivered to the turbines by four large, cylindrical steel structures known as penstocks. Each penstock is 41m long, 6m in diameter and can deliver around 100 tonnes of water per second.
We believe hydrogen produced from renewable electricity will play a critical role in the decarbonisation of many sectors.
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Harnessing our natural resources – including wave - can help Ireland achieve its climate targets and provide clean energy for homes, farms and businesses.
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