2021

New Sources of Strength

Guest author Allan O’Neil puts together an in-depth explainer about system strength and looks at the current approach to system strength management in South Australia, its impacts and the imminent installation of synchronous condensers on the SA grid.





Highlights from the 2020 GSD

David Leitch highlights some themes that stuck out to him as he read through this year’s edition of the Generator Statistical Digest – including a look at how batteries are dominating the FCAS market, some surprises with capacity factor, and other things





Transition Fooled?

Through the lens of the GSD2020, Allan O’Neil looks at the much-discussed role of gas-fired generation in the ‘energy transition’ of the NEM’s generation sector


The Generator Statistical Digest 2020 (GSD2020) is released

From Monday 1st Feb 2021 the (720-page) Generator Statistical Digest 2020 is more broadly available – here’s some of what’s in it, and how you can access. Those dozens of clients who had submitted earlier pre-orders were provided early access on Friday 29th Jan 2021.









Sunday 24th Jan 2021 – a couple discrete incidents

It was forecast it would be a hot day in the southern part of the NEM and it did not disappoint. The hot weather was one of the factors that contributed to price spikes … in Regulation FCAS, and then in QLD and later in South Australia.



Yesterday’s unexpected loss of ~500MW of rooftop PV in South Australia (another type of Contingency event – Credible, or Non-Credible?)

Wednesday 13th January 2021 was a busy day in the NEM, with a couple of different events occurring. In this article we explore a sudden and unexpected drop in output across both rooftop PV and large-scale solar in South Australia that delivered both price spikes, and also broader questions about emerging challenges for the grid (and market).