Pumped Hydro Storage Essential for Australian Renewables

Jon Capistrano
Jon Capistrano
March 4, 2017

An Australian National University study has found pumped hydro storage has the potential to build an electricity grid with 100% renewable energy as reported by CNBC.

Andre Blakers of ANU stated that the zero-emissions grid would be supported by pumped-hydro storage. It would mainly remain on wind and solar PV technology, negating the country’s need for coal and gas-fired power.

Almost all new generation capacity in Australia was being provided by wind and solar as stated by Blakers but renewable only accounts 15% of generation, with coal-fired power stations remaining dominant.

A 100% stabilised renewable energy electricity system would cost around $75/megawatt-hour, which is cheaper than power derived from coal and gas.

The Australian National University stated that they are studying the potential of short-term off-river pumped hydro energy storage. It is made up of a pair of reservoirs, separated by 300 and 900 meters in altitude and then connected by a pipe and turbine.

Click here to read the full story on CNBC

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