A collection of analysis, observations and commentary about what we see (and have time to comment on) in terms of winter 2013 in Australia’s National Electricity Market
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Paul McArdle
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Paul McArdle
Wednesday, July 21 2021
Tight supply/demand balance delivers price spike in QLD on Wednesday evening 21st July
A short note about the first of a number of dispatch interval price spikes in the QLD region on Wednesday evening, 21st July 2021.
Paul McArdle
Friday, June 3 2022
Volatile prices on Friday evening 3rd June 2022
A short article to document another volatility evening.
Paul McArdle
Thursday, June 2 2022
First evening price spike above $1,000/MWh – at 16:40 on Thursday evening 2nd June 2022
At 16:40 the price spiked above $1,000/MWh for the first time this evening.
Paul McArdle
Friday, July 21 2006
Winter 2002 – Generator Market Power
From the start of the NEM through until 2001, the NEM was typified by a pricing dichotomy with sustained rock-bottom pricing in NSW, Snowy and Victoria and high and volatile pricing in the extremities (Queensland and South Australia).
In 2001, the QNI interconnection and many generation projects were developed. This led to the convergence of prices between all regions, and the disappearance of price volatility – circumstances that were a real threat to generator profitability.
In response, generators adopted an approach that came to be known as “the economic withholding of capacity” to engineer volatility into the market throughout winter 2002 – and hence higher prices as a result., and generator behaviour.
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