Electricity Supply board is the state owned electricity utility in the Republic of Ireland. ESB Moneypoint Generating Station is a coal fired power station with three separate units, each unit comprising of 4 pulverising mills, D8 type Foster Wheeler design. These 12 pulverising ball mills require the supply of up to 600 tonnes of mill balls, in total on an annual basis. The sizing of these mill balls being 50 mm, 30 mm and 20 mm outer diameter and are of a specific high grade material specification.