South Australia hit by two price spikes
The volatility of the NEM was showcased again on Monday as South Australia experienced two major price spikes in the space of an hour. Using NEM-Watch's play back feature (screenshot below) we were able...
price spike
What happens if (when?) existing wind farms cross to “the Dark Side”?
A quick look at a price spike that occurred Monday evening (4th August) in South Australia
NEM-wide demand steams towards 32,000MW, and prices explode, as heatwave hits Victoria and South Australia
The forecast heatwave arrives in Victoria and drives demand towards what looks like being the highest (so far) this summer, and causing prices to pop.
Even Colongra gets a run as high temperatures stretch local supplies in NSW
High temperatures passing through NSW provided the opportunity for the Colongra gas-fired power station to shake off the cobwebs and have a run for the day.
The first working day of summer sees volatility return in Victoria and South Australia
A snapshot from NEM-Watch capturing the first volatility seen this summer
Wild price gyrations in Victoria (and elsewhere) today following a station trip at Yallourn
An animation of 90 minutes this morning where the price gyrated wildly in response to a trip at Yallourn, and numerous subsequent reactions by market participants and the AEMO.
Chilly winter evenings show demand has declined for various reasons – not just solar PV
A cold evening in the NEM, and yet demand can't make it past 30,000MW - which would have been quite startling 4 or 5 years ago (but not now, as demand has been declining...
7-day South Australian overview (Thu 30 May to Wed 5 June)
Spot Prices in South Australia were elevated over the past 7 days - here are some reasons why.
Morning price spikes in SA with no wind or coal
Augurs to be an interesting day in South Australia today, with two (now three) price spikes already this morning - due in part to no supplies from coal, or from wind.
Price spikes in SA at 23:35 with the switch-in of off-peak hot water
A price spike late at night in South Australia, not long after posting other comments about low surplus generation capacity.
Highest electricity demand for Victoria in four years last Tuesday (12th March) – and 400MW of DSR operates
Following some tweets from the esaa mentioning how the demand in Victoria on Tuesday 12th March was the highest seen for four years, we had a look back through our records on the day.
Millmerran station trip drives prices sky high
At 23:05 on Saturday 9th March AEMO advised that the Millmerran power station units 1 and 2 tripped simultaneously at 22:07 (58 minutes prior) - for reasons still unknown. Here's how we saw it...
First price spike of Winter 2011
Some quick notes, and images, of a price spike in TAS this morning.
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.