Guest author, Allan O’Neil, contributed this ‘Down 55% – but not out’ article that covered a number of different aspects of what went on on this eventful evening … both top-down and bottom-up.
Part 5
Friday 19th March 2021
AEMO published their preliminary report.
Part 6
(more to come?)
Perhaps there will be more, as there are still a few questions we are puzzled about….
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
Following yesterday’s warnings about the potential for a tight supply/demand balance in South Australia this week, it was not really a surprise when the SMS alerts from NEM-Watch began buzzing for the 07:20 dispatch interval this morning (NEM time), highlighting that the dispatch price in SA had jumped to $12,199.20/MWh. This has continued through the morning.
Over 2,000 MW – or around 55% – of South Australia’s firm supply capacity was unavailable last Friday evening (March 12, 2021), along with virtually all of its large-scale renewable supply (a further 1,800 MW or so) but the lights…
Some thoughts by our guest author, about possible reasons why Engie did not bid full output of Pelican Point power station into AEMO on Wednesday 8th February (i.e. the time at which load shedding eventuated).
Guest author, Allan O’Neil delves further into understanding what happened in response to the transmission tower failures on 31st January 2020 that sent system frequency in South Australia and led to a large reversal of flows.
1 Commenton "AEMO publishes Preliminary Incident Report about incident on Friday 12th March in South Australia"
I see a seismic shift is underway-
https://www.msn.com/en-au/news/australia/seismic-shift-underway-of-electricity-grid/ar-BB1eUQK3