In 2017 The Australian National University identified 22,000 sites in Australia for pumped hydro energy storage, which can be used for cheap electricity with 100% renewable energy. We need only 0.1% of these for 100% GHG free electricity. #qanda #auspol https://t.co/Q3z7VHZv4c https://t.co/VmjaBhnx8p

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