 Poulaphouca has the largest capacity with two 15 MW generators driven by Kaplan turbines, the other two stations have a capacity of 4 MW each, so the total capacity of the power stations on the River Liffey is 38 MW.The Kaplan turbines of the Poulaphouca station where delivered by the Swiss manufacturer Ateliers des Charmilles from Geneva, Switzerland.Each turbine has a capacity of 25,300 horsepower at a hydraulic head of 50.5 m. The contract was executed in collaboration with English Electric from London.