this post was submitted on 03 Dec 2024
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How about investing in grid energy storage, to cope with intermittent production?
They are. Modeling has shown that getting Australia to 98.8% renewable is highly achievable.
https://cosmosmagazine.com/technology/energy/grid-renewable-electricity-simulation/
Austrailia is one of the best places in the world to do that, but it should be pointed out that the article you linked wants 120GWh of batteries (costing ~12 billion USD at current Li-ion prices) as well as building more than 38GW of wind power and 30GW of solar power in order to meet ~25GW of average demand and that still needs pumped hydro on top and more than 9GW of fossil fuel power to make up the gaps.
It's just about feasible in Australia with excess sun and wind, plenty of empy space, low population density and terrain amenable to hydro storage. But it isnt realy generalisable to most other places.