IEEE Power & Energy Magazine - September/October 2021 - 42

efficient approach for providing a certain service. Even with
rapid distributed energy resource (DER) emergence, it may
still hold that a single regulated ESS provider is a more economical
solution than open-market provision. To facilitate
Combination
LOW_2
LOW_3
LOW_4
LOW_5B
LOW_6
LOW_7
LOW_8
LOW_10
LOW_11
LOW_13
LOW_14
LOW_15
LOW_18B
Nonsynchronous
Generation Level
≤1,300 MW
≤1,700 MW
≤1,450 MW
≤1,700 MW
≤1,700 MW
≤1,700 MW
≤1,600 MW
≤1,750 MW
≤1,700 MW
≤1,700 MW
≤1,300 MW
≤1,300 MW
≤1,700 MW
figure 6. An excerpt of the AEMO's 2020 transfer limit advice for South Australia, indicating the combinations of synchronous
units (green squares) at low levels of system strength that may support various levels of nonsynchronous (renewable)
generation (column 2). Ax, Bx, and so on represent different generating units of the power stations.
investment, the markets for procuring services need to be
stable and have clear participation requirements. In theory,
markets with sufficient competitive tension will drive efficient
investment and retirement decisions, ensuring that suitable
Torrens Island A Torrens Island B Pelican Point Osborne Quarantine
or Dry
Creek*
Ax Ax Ax Ax Bx Bx Bx Bx GTx GTx ST18 GT ST
25
20
15
10
5
New South Wales Black Coal
Queensland Black Coal
Victoria Brown Coal
Slow
Change
Central/
High DER
Fast
Change
Step
Change
Financial Year Ending
figure 7. A forecast for coal generation retirements in three Australian states. DER: distributed energy resource. (Source:
2020 AEMO integrated system plan.)
42
ieee power & energy magazine
september/october 2021
Output (GW)
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042

IEEE Power & Energy Magazine - September/October 2021

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - September/October 2021

Contents
IEEE Power & Energy Magazine - September/October 2021 - Cover1
IEEE Power & Energy Magazine - September/October 2021 - Cover2
IEEE Power & Energy Magazine - September/October 2021 - Contents
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IEEE Power & Energy Magazine - September/October 2021 - Cover3
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