Powering Up Dublin (PUD) is a critical programme that will strengthen key electricity infrastructure in Dublin and the surrounding areas, making the city ‘renewable ready’. Dublin’s demand for electricity has grown and will continue to grow in the years ahead as society moves to using electricity for heat and transport. These works allow the country to meet our energy demands now and in the future. This report identifies the Best Performing Option to replace the existing Inchicore to Poolbeg 220 kV circuits 1 & 2 (CP1150 & CP1157).