Record of experience on the Irish electricity supply system

The Irish Electricity Supply Board, operating since 1929, generates power in hydro and fuel stations and delivers it to the consumers' terminals. The paper deals with the more important or interesting features of the system and of its operation, having particular regard to possible differences in practice compared with Great Britain. Sufficient particulars of the plant are given to enable the subsequent information on operation, performance and maintenance to be appreciated. Arcsuppression plant has been extensively used, and experience has been obtained of a wide variety of types of transformer and of switch and control gear. Overhead lines and underground cables are dealt with and some fault statistics are given.