price volatility

March in the NEM (a review of 10 years of history)

One of 12 articles on the months past in the NEM - covering notable events of March, such as the unforgettable South Australian heatwave of 2008 which caused the Cumulative Price to reach the Cumulative Price Threshold for the first time in our memory.



VOLL Pricing on 23rd July 2008

It appears that we spoke too soon when we mentioned on the 22nd July that winter 2008 had been relatively uneventful. Just over 24 hours from making these comments, we saw prices jump sky-high in the mainland regions, and go the other way (to the...


Volatility in the market over winter 2007

Our Managing Director spoke at the "Australian Energy & Utility Summit 08" in Sydney on Tuesday 22nd July 2008, touching on issues including the extremes of price volatility that were experienced over winter 2007.


“Power Prices Jump in Eye of the Storm”, from the AFR

Following from an alert to the situation provided by NEM-Watch, Duncan Hughes published an article "Power Price Jump in Eye of the Storm" that mentioned the extremely low levels of NEM-Wide Instantaneous Reserve Plant Margin (IRPM) that had occurred for a 60-minute period over both...


Analysis of price volatility in the QLD region over summer 2007-08

Our Managing Director was asked to speak at the "Queensland Energy" conference in Brisbane on Wednesday 12th March - specifically addressing the topic of price volatility in the NEM. To provide the basis of discussion during the conference, we focused our analysis solely on Queensland...




Winter 2007 – NEM-wide shortage of capacity

For two remarkable winter evenings in 2007 (19th and 20th June specifically) NEM-Wide Instantaneous Reserve Plant Margin (IRPM) plunged to the lowest levels ever seen in the NEM (a mere 7.6%) as generators were caught short of capacity by a cold snap that hit earlier...


11th January 2007 – first spike in demand above 30,000MW

There was a temperature-driven spike in demand across the NEM later in the week beginning Sunday 7th January - culminating in the summer's first demand peak above 30,000MW (on Thursday 11th January). On this occasion, the spot price spiked above $1000/MWh in Queensland, NSW, Snowy...



7th December 2005 – high demand in Queensland and NSW

For several days in early December, temperatures reaching 40 degrees in Queensland and New South Wales cause airconditioning load (and hence total demand) to soar in both regions. The high demands resulted in very high prices being experienced in both QLD and NSW (and also...


26th January 2006 – high demand and price in Victoria and SA

There was a high level in demand in Victoria on Thursday 26th January 2006. This was especially remarkable, considering that it was an Australia Day public holiday - when commercial (though not industrial or residential) demand could be expected to be somewhat lower than would...



24th February 2006 – price spikes in Victoria

Demand in Victoria peaked again, bringing with it high prices in Victoria and (to a lesser extent) South Australia. Indeed, the demand experienced in Victoria (on Friday 24th February) exceeded the previous high level of 8,552MW for summer, set in January 2006. Our analysis looked...


23rd January 2006 – new record for peak NEM-Wide demand

Based on forecasts NEMMCO had been providing through their PASA process, we expected that it might prove that this week would deliver huge demand levels, and high prices. Not to disappoint, the market did deliver high levels of demand in all regions: (a) Peak demand...


Weekly summary of events in Summer 2005-2006

Summer 2005-06 saw Australians sweltering in temperatures 40 degrees and above. In the National Electricity Market, this led to new peaks in demand and (given the tight supply/demand balance) delivered high (and volatile) spot market pricing. Here we have compiled a weekly summary of events...