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Ncess Network Support Services for South West Tender - 142134219

The WESTERN POWER has issued a Tender notice for the procurement of a Ncess Network Support Services for South West Interconnected System (Swis) in the Australia. This Tender notice was published on 27 May 2026 and is scheduled to close on 30 Jun 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 142134219, while the tender notice number is VP511380 and Registering on the platform.

Procurement Summary

Country: Australia

Summary: Ncess Network Support Services for South West Interconnected System (Swis)

Deadline: 30 Jun 2026

Posting Date: 27 May 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 142134219

Document Ref. No.: VP511380

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

Purchaser's Detail

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Tender Details

Ncess Network Support Services for South West Interconnected System (Swis)
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 SubmissionsWe're inviting submissions from potential NCESS providers to deliver NSS in the multiple locations across the SWIS. These areas have been selected based on Western Power’s assessment of the underlying need, technical requirements, and the potential for viable non-network solutions.?We are seeking service providers capable of delivering energy supply solutions or reducing energy demand at the distribution high-voltage feeder level to ensure feeder loading remains within planning limits. These services are required for the period 1 December 2027 to 31 March 2030. Activation requirements vary by location and feeder. Please refer to the NCESS Service Specification fo...

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