NCESS Network Support Services for South West Interconnected System (SWIS)

Brief

The Coordinator of Energy has determined, under clause 3.11A.4 of the Electricity System Market (ESM) Rules, to initiate a Non-Co-optimised Essential System Services (NCESS) procurement process of Network Support Services (NSS) for South West Interconnected System (SWIS) for year 2026 to 2029. Subsequent to the Expression of Interest (EOI) process, Western Power has reviewed proponents’ submissions and refined the service requirements. Accordingly, the procurement has been revised to update the service locations, required MW quantities, and the delivery periods to 2027–28, 2028–29, and 2029–30. Western Power is proactively managing capacity constraints within the South West Interconnected System (SWIS). Western Power has identified a need for solutions through Network Support Services (NSS). Call for NCESS Submissions We're inviting submissions from potential NCESS providers to deliver NSS in the multiple locations across the SWIS. These areas have been selected ...