An illustration of the nature of dynamic wholesale electricity prices in Queensland today


Following yesterday’s summary of the demand-induced price perturbations in the Queensland region, it was of interest to see some extremes in dispatch prices in Queensland today, separated by only a few minutes – with images taken from NEM-Watch:

At 11:35 market time, we saw the price spike to $3210.95/MW on the back of some constraint activity in the market.

A high priced dispatch interval in Queensland today

At 11:50 (so only 15 minutes later) we saw the price drop into negative territory as a result of the market response within the Trading Period.

Negative prices in Queensland today

Later in the day (at 14:50), we saw a rare occasion where the price landed neatly at $0/MWh:

Zero priced electricity in Queensland


Despite what it might appear, for market spectators reading the commentary here, the majority of the time the market could be termed as “boring” – with not much activity out of the ordinary.

It’s this fact, combined with the few instances of volatility each year, that make opportunities like demand side response so compelling.

About the Author

Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.

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