According to [1] the total price for the project will be up to 7e9 AUD or 5.1e9 USD, so the storage cost will be like 15 USD/kWh. Tesla promises that by 2020 th

According to [1] the total price for the project will be up to 7e9 AUD or 5.1e9 USD, so the storage cost will be like 15 USD/kWh. Tesla promises that by 2020 they will have batteries costing bellow 100 USD/kWh. The difference is still big by the factor of 6, but at least it is no longer 2 orders of magnitude. [1] https://www.theguardian.com/australia-news/2017/dec/21/snowy-hydro-2-viable-government-backed-study https://www.theguardian.com/australia-news/2017/dec/21/snowy...