Managing Distributed Energy Resources in Operations

DER behaviour during disturbances

AEMO has been collecting and analysing data from a wide range of sources to understand DER behaviour in response to power system disturbances.

Key findings can be found in the reports on this page.

Consolidated analysis on DER behaviour

Incident date Report DER analysis found in
19-Sep-2024 Trip of Gordon – Chapel Street No. 1 and No. 2 220 kV Lines Power system response (facilities and services)
27-Jul-2024 Trip of Goodna 275 kV No. 2 Busbar and Goodna 275/110 kV No. 1 Transformer Power system response (facilities and services)
25-Mar-2024, 27-Mar-2024 275 kV current transformer failures in South Australia  Section 6
25-Mar-2024, 27-Mar-2024 Addendum on DPV and load behaviour: 275 kV current transformer failures in South Australia Whole report
28-Nov-2023 Trip of Robertstown-Tungkillo 275kV No.1 line and Robertstown No.1 and No.2 syncons Section 2.3.4, 2.3.5
29-Jun-23 Loss of SCADA and line protection at Keilor Terminal Station Section 2.5
12-Nov-22 Trip of South East-Tailem Bend 275 kV Lines Section 3, Section 4
23-Jun-22 Power system oscillations in South Australia  Section 2.5
16-Nov-21 West Murray Zone power system oscillations Section 2.5
25-May-21 Trip of multiple generators and lines in Central Queensland and associated under-frequency load shedding Section 3.3, Appendix A3
14-Mar-2021 Maintaining operational demand in South Australia Section 3.3
12-Mar-21 Trip of Torrens Island A and B West 275kV busbars Section 4
24-Jan-21 Trip of multiple Cherry Gardens lines Appendix A3
31-Jan-20 Victoria and South Australia Separation Event Section 9, Appendix A1
4-Jan-20 New South Wales and Victoria Separation Event Section 8, Appendix A3
26-Nov-19 Trip of No1 Busbar and No5 transformer at South Pine Appendix A2
16-Nov-19 South Australia and Victoria Separation Event Section 7
25-Aug-18 Queensland-South Australia separation Appendix A1

This information has improved AEMO’s ability to anticipate the behaviour of DER in various circumstances.  It also contributes crucial input data to inform AEMO’s development of power system models that represent DER behaviour during disturbances, and has informed review of DER performance standards.

Partnerships

This work is being conducted in collaboration with the Australian Renewable Energy Agency (ARENA), Solar Analytics, Wattwatchers, the University of New South Wales, ElectraNet, TasNetworks and Energy Queensland. Key projects include:

  • A collaboration between UNSW, ElectraNet, TasNetworks and AEMO, funded by ARENA, to conduct inverter bench testing. Further information on the project can be found here, and the bench testing results can be found here.
  • A partnership with Solar Analytics and Wattwatchers on an ARENA funded project on Enhanced Reliability Through Short Time Resolution Data which will improve understanding of DER behaviour during voltage disturbances and resulting dynamic modelling.
  • Project MATCH aims to establish a robust monitoring and analysis toolbox to better understand the behaviour of distributed energy resources (DER) and implications for power system security. It will investigate DER behaviour during power system disturbances and seeks to support secure power system operation under high penetrations of DER. The project is being led by UNSW Sydney in partnership with the Australian Energy Market Operator (AEMO) and Solar Analytics, supported by ARENA funding.

These collaborations have provided key inputs to AEMO’s power system model development, and informed changes to DER performance standards.

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