System Strength Impact Assessment Guidelines amendment consultation

Key changes

The proposed amendments to the SSIAG are set out in detail in the draft report, and summarised below:

• Incorporates a methodology to calculate SSQ, including guidance on the inputs and assumptions
• A number of minor and administrative changes, including:
  • The introduction of terminology and concepts that are consequential on amendments to the NER made by the Integrating Energy Storage Systems (IESS) Rule, for which full implementation will occur on 3 June 2024;
  • Clarification of the way in which the existing concept of the stability coefficient is defined and described in the Guideline;
  • Clarification of the number of decimals to be used in calculating the Withstand SCR; and
  • Other minor corrections and clarifications to the text of the Guideline.

Submissions

AEMO invites written submissions from interested persons on the draft report and the draft proposal to contact.connections@aemo.com.au by 5:00 pm (AEST) on 21 May 2024.