Two new fast-track energy projects offer very different paths: one tied to volatile fossil fuels, the other to a more sustainable, renewable future.
Articles on Pumped hydro storage
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Pumped hydro and batteries can easily provide all the storage needed for 100% renewable electricity generation, eliminating the need for polluting gas power plants.
Increased investment in electricity generation, transmission and storage has led to a more positive outlook for the reliability of the system – if these projects are delivered on time.
Huge open-cut mining pits would be turned into reservoirs to hold water for renewable energy storage. It would give the sites a new lease on life and help shore up our low-emissions future.
Land is a scarce resource. Restoration enables sustainable and dynamic use of former mining land and creates opportunities for ex-mining towns.
The world hydropower industry has public relations work to do, if its global expansion is to be realised. But stringent oversight is urgently needed.
It’s a big-engineering solution that costs twice as much the equivalent amount of batteries.
New Zealand’s electricity generation is already more than 80% renewable, but experts warn a 100% target would require significant over-building of renewable generation that would rarely be used.
Top contributors
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Professor of Engineering, Australian National University
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Professor, Fenner School of Environment & Society, Australian National University
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Research Officer, School of Engineering, Australian National University
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Professor, Co-Founder, Critical Minerals Consortium, and Australia-India Critical Minerals Research Hub, Monash University
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Senior Research Fellow, Victorian Hydrogen Hub, Swinburne University of Technology
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Professor and Director, Victoria Energy Policy Centre, Victoria University
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Program Director, Energy and Climate Change, Grattan Institute
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Associate Professor and Director, Centre for Sustainability, University of Otago
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Senior Research Fellow, Centre for Sustainability, University of Otago
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Senior Research Scientist, Eastern Switzerland University of Applied Sciences, and Adjunct Research Fellow, Monash University