The head of the Australian energy market operator AEMO, Daniel Westerman, has rejected nuclear power as a way to replace Australia’s ageing coal-fired power stations, arguing that it is too slow and too expensive. In addition, baseload power sources are not competitive in a grid dominated by wind and solar energy anyway.

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3 points

That’s really really expensive unless you already have natural upper and lower reservoirs.

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5 points
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It is? More than batteries?

Im surprised.

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3 points
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Based on some numbers I looked up a couple of years ago:

LiPo 15¢/Wh

Flywheel 15¢/Wh

Compressed air 12¢/Wh

Pumped hydro 11¢/Wh

I’ll try to dig up the sources when I get home, but the cost advantage isn’t too large, so digging your own reservoirs would put it as more expensive.

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4 points

Thanks! I guess the hydro is with natural reservoirs?

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1 point

Just cause lithium ion is pretty subsidied and quite energy dense

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