A first after-the-fact review of the price volatility seen in QLD and NSW on Tuesday evening, 2nd May 2022. What were some of the causal factors?
An initial review of some (wholesale) supply-side factors contributing to the extreme price volatility (and Reserve Trader etc) that occurred in the first week of February 2022 in the QLD region of the NEM.
A short article today, to share an image from the upcoming GenInsights21 release, and to pose some questions – about what’s been happening with the rise (and fall!) of bid volumes at Large Solar Farms in the NEM.
Another interim build of ez2view gives me an excuse to have another look at changes in bidding patterns at selected Wind, Solar and Coal units.
A quick additional look at activity Tue 28th Sept 2021 for Victoria Big Battery – as seen in ez2view with the benefit of ‘Next Day Public’ data.
A chart we threw together quickly at Beer O’Clock today (from the imminent release of the GSD2020) was worth sharing more broadly on WattClarity today…
Guest author, Warwick Foster, discusses the different methods in which generators may hedge in the NEM
Following from (what we have seen as) an increase in diversity of concerns (and claims) about different aspects of generator performance, we’re leveraging our extensive data set and capabilities to have a deeper look, leading to the publication of a Generator Report Card with data to 31st December 2018. We’d welcome input from those who wish to pre-order their copies now at an initial low rate.
Walking through 5 (much simplified) “Dispatch Intervals” to illustrate some starting principles of marginal price based dispatch arrangements, such as used in the National Electricity Market
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).
Five thought-provoking questions about what really happened in Queensland over summer 2013 – and the supplementary question about what it all means for the future.
Beginning prior to 7am and progressing through the morning of Wednesday 2nd January 2013, there was significant volatility in the Queensland region of the National Electricity Market – including four spikes at or above $1,000/MWh.
Here’s a walk-through of how it unfolded, with some pointers to some of the contributing factors.