The SWIS Demand Assessment published in May 2023, identified a significant and urgent need for investment in the South West Interconnected System (SWIS) to support the reliability and security of the power system, and meet future low-emissions electricity demand.
On 12 September 2023, the Electricity Networks Access Code was amended to enable the Minister for Energy to determine specific network investments as a priority project to facilitate critical, priority transmission investment in a timely manner.
