As Australia's electricity system gets cleaner, it is encountering a strange problem. More renewable energy is having to be wasted.
Australia is periodically producing such vast amounts of renewable energy that more than a quarter of the wind and solar power generated has to be wasted.
Mr Eldridge said the new record, set amid warm temperatures and relatively low demand for power, was a hint of what was to come as Australia's energy system became greener."But if you look at the numbers, we see it's growing each year. In Queensland, for example, the market operator noted spot prices were negative 14 per cent of the time in the three months to June 30 — up from 9 per cent a year earlier.
Past that point, he said, they would pay to keep generating in order to avoid a costly and time-consuming shutdown. With Australia's remaining coal plants set to retire over the coming years, he said the physical limits posed by that technology would fall away.Equally, Mr Dixon said the glut of renewable power — particularly solar output in the middle of the day — was creating all the incentives needed to spur investment in storage such as batteries.
"If you are in a system where you have no waste and you dispatch all your solar, that means there's gaps in your supply and demand that have to be filled by something else," he said.
Renewable Energy Power Wind Solar Curtailment Waste Spillage Transition
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