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Is affordable, 24/7-reliable, electricity ever possible again? : Comments
By Geoff Carmody, published 5/8/2024Current policy is for 100% renewables plus 100% battery back-up. That will deliver even more unaffordable and unreliable electricity.
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Green hydrogen is also a bit of a dud as Tallawarra B is showing. Using it in a turbine gets back just 26% of the electricity that went into the electrolyser. Therefore most electricity has to be generated in real time, not stored. That's the reason we currently get around 60% of our electricity from coal baseload versus an occasional 5% from batteries according to NemWatch just now. Renewables will not replace coal in countries like Australia.