The Tesla BigF'nBattery in South Australia is running at 82% roundtrip efficiency.
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https://energysynapse.com.au/south-a...energy-market/
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The poster on the other thread also added charts showing SA's 1.8 GW of installed wind generation running at 4.3% capacity over the 3.5 day snapshot.
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https://endless-sphere.com/forums/vi...86666#p1386666
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