Australia’s 10 biggest battery storage projects – and what they are paid to do

It is now nearly eight years since the first big battery storage project in Australia – at Hornsdale in South Australia – opened for business.
The so-called “Tesla big battery” seemed big at the time, and at 100 megawatts (MW) and 129 MWh it was indeed the biggest in the world, and around 100 times bigger than many energy experts had thought was even plausible.