One year on from a market-wide suspension, Dan Lee provides a review of Q2 prices for 2023 so that we can examine some of the longer-term price trends.
Prompted by a LinkedIn update by Vedran Kovac (at Hydro Tasmania) we’ve taken a quick look at the supply mix in Tasmania during the current week.
A successful return to service for the Waddamana to Palmerston 220 kV lines following damage sustained during landslides on 14 October 2022.
A run of volatility lasting several hours in Tasmania on Monday morning 14th November.
On Friday 28th October, the AEMO released its preliminary report into the storm damage to Liapootah – Palmerston 220 kV lines (loss of more than 500MW of load, and trip of Basslink and multiple generators)
Zooming into the ~7 minute period during which the initial event occurred in TAS on Friday 14th October 2022.
Third article on what happened on Friday 14th October 2022 – sharing a photograph of the damaged transmission (thanks to TasNetworks for the photo, and Zeus for the weather) and outlining a number of different timescales that could be considered with respect to this event.
On Friday 14th October we saw a significant system event in Tasmania – with storms downing power links, leading to large (530MW) loss of load and trip of Basslink. In this article we take a first look at the sequence of events…
Some quick notes of a sizeable loss of load in Tasmania and a volatility situation that is ongoing as I hit ‘publish’ at 11:50 NEM time.
Second article this morning, highlighting the very tight supply-demand balance.
At 22:40 the price exceeds $10,000/MWh in NSW, VIC and SA … with QLD under Administered Pricing.
Volatility has ramped up in NSW, VIC, SA and TAS (particularly SA) with QLD under Administered Pricing.
Recap of some transmission trips overnight in TAS … coincident with severe weather.
A brief look at a period where the TAS region experienced prices up at $15,100/MWh Market Price Cap.
A very quick summary of market volatility touching all regions across Monday 30th May 2022 … but particularly in the evening.
I’m greeted this morning with a view of how prices have remained stubbornly elevated all the way through 10 hours overnight… in all regions!
A short note about the AEMO preliminary report, published 16th March 2022 – into the TAS market suspension on 1st March 2022.
This afternoon the AEMO alerted of a market suspension in the TAS region, which coincided with the failure of two undersea fibre cables that caused parts of the state to lose internet access.
Now making it 5 out of the past 6 years, we return to the analysis of electricity (spot and futures) pricing patterns for Q2 periods across the NEM regions … and also in Western Australia. We see a number of ways in which Q2 2021 was ‘anything but boring’!
A longer-term trend of the incidence of negative prices across each region of the NEM … and, most interestingly, the pattern by time of day.