The accelerating rise of Negative Prices in the NEM
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.
Tasmania
Average spot prices through 2020 down at levels not seen for many years
Several conversations this week prompted me to update the long-term view of how spot prices have trended over time (in particular because average prices in 2020 were quite different than recent years).
It’s good news that time-weighted average prices for Q2 2020 are down on prior years – right?
Spurred by a number of concurrent requests I've returned to the pattern of prior analysis of Q2 prices (completed in 2016, 2017 and 2018) to look at what's changed for Q2 2020 that's just...
NEM Scheduled Demand tops 33,000MW and prices spike in the south on Tuesday 22nd January
Some snapshots from NEMwatch recording a day where NEM-wide demand breached 33,000MW and prices spiked above $1000/MWh in VIC and SA
First scorching summer day for the year and the sky rocketing price of electricity.
The first day of scorching summer temperatures for the year has been matched with elevated electricity prices in New South Wales, Victoria and South Australia for most of the day. Queensland and Tasmania experienced...
Reviewing the pattern of spot prices for Q2 2018 suggests that we’re far from out of the woods, yet
Returning to the theme of analysis of Q2 prices (completed in 2017 and 2016 due to Q2 historically being an uneventful period) we see that prices have backed off from the "off the charts"...
Electricity demand stopped declining after 2014 (on a NEM-wide, Annual Average basis)
A comment made by TransGrid at the Energy Networks 2018 conference today jolted me to update my (somewhat) outdated paradigm of declining demand.
A timely reminder of the need for *much* more diversity in wind harvest patterns
Alerted by our NEMwatch dashboard, I delve into the data and see a scary degree of correlation between the (very low) output of wind farms in south-east South Australia, and (similarly low) output from...
Update on “cost” of Tassie’s energy crisis
Some quick calcs to update a ball-park estimate on the cost of the Tasmanian energy crisis
Diesel gensets start popping up across Tasmania
The first of the diesel gensets startup in Tasmania, and make their way into the data feed.
Some thoughts on the shaky state of Tassie electricity supply
Recapping what I've learnt (and highlighting some of the things I have yet to learn) about the electricity supply crisis currently facing Tasmania
Early winter chills power Tassie demand
A quick look at how the early winter chills are driving demand in Tasmania to levels not seen for 4 years
Winning a consolation prize (Comp #6) for Tasmanian peak demand
Who wins a consolation prize today, being closest to the flag in forecasting peak Tassie demand?
Tassie’s “summer” demand peak comes with cold weather?
Today we have a look at what mark Tasmania reached with peak demand over "extended summer" 2014-15
Significant trip of Tasmanian demand this morning
A massive (60%) instantaneous reduction in Tassie's electricity demand in the early hours of this morning caught our attention.
Peak summer demand in Tasmania has been consistent (but AEMO’s forecasts vary)
A few quick pointers (on New Year's Eve) about where peak demand might land this summer in Tasmania - so you have a chance at winning Competition #6
CORRECTION – Tamar Valley is not mothballed, just bid unavailable
A correction about Tamar Valley's drop in production - and some further thoughts.
Another station down – to what extent due to local factors?
Despite consistently averaging monthly output of up to 200MW for a number of years, the Tamar Valley power station has been mothballed following an ownership change
A chilly autumn morning drives demand higher in Tasmania
Tasmania shivers this morning, driving electricity demand higher
A stinker today in the south – but demand barely wakes from the holiday slumber (and yet prices explode!)
A preliminary look at a number of events that happened today, leading to prices spiking to the Market Price Cap in a number of regions, Demand Side Response being very active, and trading desks...