![]() ![]() That leaves batteries, and Australia already has several utility-scale battery farms, using mainly lithium-ion units. Hydropower has limited scope in Australia, and plans to develop pumped storage solutions have been delayed, or face massive cost blowouts, which undermine their economic case. ![]() Natural gas, while cleaner than coal, still emits carbon and ultimately isn't a long-term solution if the goal is to reach net-zero electricity generation. In Australia this role has fallen to natural gas-fired peaking plants, battery storage and hydropower. ![]() There are solutions to this, and all of them are variations on the theme that as the grid is fed by more and more variable renewables, you need fast-acting and variable back-ups. ![]()
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