About ESB
Our history, our people and our principles
Erne Stations
- Location: Belleek Road, Ballyshannon, Co Donegal
- Technology: Hydro
- Capacity: 65MW
- Commissioned: Cathaleen's Fall: 1951 & 1952
Cliff: 1950 & 1955
Erne Stations comprise two hydro plants, Cathaleen's Fall and Cliff.
The lower power station at Cathaleen's Fall has two turbo-alternator sets each with an output of 22.5MW under a head of 29m of water. Together they generate enough power to supply over 26,000 homes. ESB commissioned these in 1951 and 1952, respectively. A 400kW generator supplies power for auxiliaries.
The upper station at Cliff has two turbo-alternator sets each with an output of 10MW under a head of 12m of water. Together they generate enough power to supply over 12,000 homes. ESB brought them into service in 1950 and 1955, respectively. A 300kW generator provides power for auxiliaries and local needs.
Both stations generate at 10kV and are connected to step-up transformers (10kV/110kV) in an outdoor compound at the Cathaleen's Fall station. Through these the electricity produced is fed into the grid.
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