Transgrid has recently published a Project Specification Consultation Report (PSCR) for meeting system strength requirements in NSW.
As the System Strength Service Provider for NSW, Transgrid are required to make sufficient system strength available as specified by AEMO, under NER:
- Clause 11.143.15 to address the system strength Shortfall declared by AEMO from 1 July 2025 to 1 December 2025 at Newcastle and Sydney West1
, and - Schedule 5.1.14 to provide the minimum and efficient levels of system strength forecast by AEMO at each of the NSW system strength nodes from2 December 2025 into the future.
Transgrid have commenced this RIT-T to assess options to ensure the above NER requirements are met. Transgrid consider that this will enable it to identify the optimal solution to meet both the short-term and long-term needs.
In the PSCR Transgrid presented credible network options that would meet the identified need. The installation of synchronous condensers is the most credible short- to medium-term network solution to contribute to meeting NSW’s system strength needs. Transgrid expects that a combination of network and non-network options are likely to form a diverse portfolio of preferred solutions to meet NSW’s ongoing system strength requirements.
Trangrid’s PSCR is accompanied by an Expression of Interest (EOI), seeking non-network options from potential System Strength Contractors to address system strength requirements in NSW (i.e. third party businesses that provide system strength services to Transgrid under a network support contract).
Transgrid welcomes written submissions on materials contained in this PSCR. Submissions are particularly sought on the credible options presented and from potential proponents of non-network options that could meet the technical requirements set out in this PSCR and accompanying EOI. Submissions to this PSCR and responses to the EOI are due on 30 March 2023.
Transgrid will host an industry briefing on the PSCR and EOI on 1 February 2023 (9:30 – 11:00 am AEDT), to explain the needs, potential solutions, requirements and to answer your questions. The forum will be hosted virtually via Microsoft Teams. Please email systemstrength@transgrid.com.au to RSVP for this forum, and to register for updates on the project.
In accordance with the requirements of the National Electricity Rules, a summary of the PSCR is made available on the AEMO website. A copy of the PSCR and accompanying EOI can be obtained from Transgrid’s website or by emailing regulatory.consultation@transgrid.com.au
1AEMO, December 2022, System security services – Revised notice and request under the National Electricity Rules (NER)
2AEMO, December 2022, 2022 System Security Report