Only 709MW of spare generation capacity in NSW at 15:40
A quick note about the tight supply/demand balance in NSW today – by virtue for high demand and constrained interconnector capability.
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
NQ transmission grid escapes unscathed, but demand is very low
A quick look at how North Queensland looks, the morning after TC Yasi
North Queensland Powers down with TC Yasi underway
As the Courier Mail tweets that 89,000 people in Townsville and Cairns are without power as TC Yasi approaches, I thought the following chart (taken from our ez2view application) might explain a bit of what that means: Like everyone else,…
The extremes continue in the NEM
More extreme weather drives extreme demand and extreme prices – on Wednesday 2nd February.
NEM-wide demand higher still, as NSW regional demand eclipses record
An illustration of the high demand and volatility on Tuesday 1st February.
High temperatures drive NEM-wide demand to 34,400MW
Some snapshots of a day in which NEM-wide demand soared, driven by high temperatures across the middle of Australia.
Summer strikes in QLD, with demand shooting up (and prices see-sawing)
Some images of the see-saw of prices in QLD with the high demand day today.
The hot weather arrives, but demand stays low
Some NEM-Watch snapshots illustrating one of the first days that temperatures have risen in the NEM this summer.
A very modest start to summer peak demands
Some quick notes about how levels of demand are, so far this summer, much lower than they have been in recent years.
Price hits the new Market Price Cap in NSW this morning
Some quick notes about a price spike to the (newly raised) Market Price Cap in NSW this morning
Tassie price spike on Sunday
Some quick notes about a price spike this evening in Tasmania.
Prices see-saw over the full $13,250/MWh price range – but it’s all revised!
A record of how a day of see-sawing prices appeared (in real time) in NEM-Watch
Note that the high prices have since been revised, but the low prices (down to -$1000/MWh) remain, at least for now.
Background to Winter 2010 in the NEM
Inspired by the price spike experienced this evening, I have spent a little time to put together the background to winters in the NEM.
This will be useful in understanding the context of any other events that occur this winter, and are analysed on WattClarity.
Cold snap brings price spike in NSW
A price spike close to the Market Price Cap in NSW this evening provides an spur to do some quick analysis.
Some context for the recent Basslink outage
I noted that the recent Basslink outage made the news today as a result of political point scoring in the Tasmanian parliament. As noted in the news report, the Basslink outage started on Saturday 17th April, and continued through until…
Price spikes in SA and VIC on 21st April
Just after midday today (Wednesday 21st April) South Australia and Victoria experienced some high spot prices. Here’s a quick post to highlight what happened.
Demand Side Response in NSW on 4th February
On the 4th of February at around 11am energy users in NSW appear to have curtailed their load in response to high prices, resulting in a significant drop in demand. Simultaneously, network conditions and generator rebidding caused the NSW pool price to jump back and forth between extreme prices close to VOLL ($10,000/MWh) and the Market Floor Price (-$1,000/MWh).
Investigation of Negative Prices in Tasmania on 2nd & 3rd February
On the 2nd and 3rd of February this year prices spiked in South Australia and Victoria in the afternoon. Coinciding with these spikes, the Tasmania pool price went negative, close to the Market Floor Price (-$1000/MWh). In this article we take a look at the effects and possible causes of the negative prices.
VOLL (or MPC) in NSW today as high temperatures stretch supplies
A graphical summary of a day when temperatures soared in NSW, dragging demand higher and (with the assistance of a relative shortage of supplies) also dragging prices to VOLL
VOLL and Lack Of Reserve 2 in SA and High Prices in VIC
More high temperatures in South Australia and Victoria this afternoon have driven the demand and the spot price high.