A quick look at monthly stats shows that, whilst it’s been blowing a gale in SE Australia in recent days, it’s not yet set a new ‘peak instantaneous wind farm output’ record.
Returning to the price spike in NSW on Wednesday morning (to $15,100/MWh for 3 dispatch intervals) to explore some of the reasons why it happened – and why it happened unexpectedly.
A short article that might be referred back to later following a spot price spike (in QLD and NSW), and what looks like demand response (in QLD).
Coincident with the AEMC’s Final Determination yesterday (Thu 15th July) on FFR, there was also the Draft Determination published on Energy Storage Systems. Here are some (very) early thoughts…
A quick note following AEMC publication of final determination on Fast Frequency Response (FFR).
Some brief notes about a morning price spike today in NSW (Wednesday 14th July 2021).
This morning we see that there’s been another slippage of expected return to service for Callide C3 – which will now have been offline over 8 weeks since the explosion at nearby Callide C4.
A snapshot of the start of price volatility in QLD and NSW on Monday 12th July 2021.
Straight out of the pages of the FinReview and into spot price outcomes in the NEM on Sunday 11th July 2021!
Last week, the AEMO submitted a rule change request to the AEMC for a redevelopment of the ST PASA process (and data sets published – to facilitate what would be a great increase in market transparency).
Electricity prices are up this morning across the mainland, with one of the main contributors being high spot gas prices.
There’s been a 6-month delay in return to service expectation for the damaged Callide C4 unit.
More changes to retirement schedules in the market prompt me to power up the ‘MT PASA DUID Availability’ widget in ez2view once again…
A short note about the start of the evening price spikes on Tuesday 6th July 2021 (these are ongoing, at the time this was posted).
An updated look at the ‘MT PASA DUID Availability’ widget in ez2view shows another delay in returning Callide C3 to service.
A short record of gas prices being up at $20/GJ and above through a cold spell for winter, with other factors at work.
Quick notes about the winter evening peak in demand on Monday 5th July 2021
A rainy Saturday morning reminds us the price volatility for Q2 in QLD has not totally gone away … with elevated prices for ENERGY and also Contingency FCAS (Raise 6 second and Raise 60 second).
Here’s one big reason why the high outcome for Q2 time-weighted average spot prices were so far away from the (much lower) expectations in all 4 regions at the start of the quarter.
On Friday evening (2nd July 2021) Yallourn 4 returned to service