Tesla "big battery" in Australia is becoming a bigger nightmare for fossil fuel power generators

Tesla’s “big battery” utility-scale Powerpack system at the Hornsdale Power Reserve in South Australia has yielded more than doubled the savings to consumers in 2019 than the year prior as it dominates fossil fuel generators on quicker demand response for the grid. Hornsdale Power Reserve saved consumers AUD116 million ($75.78 million) in 2019, a big jump from AUD40 million ($26.14 million) savings in 2018.
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