Here is a pumped hydro project which will be able to store maybe ¼ of Australia's electricity needed for a week. https://www.snowyhydro.com.au/wp-content/upload

Here is a pumped hydro project which will be able to store maybe ¼ of Australia's electricity needed for a week. https://www.snowyhydro.com.au/wp-content/uploads/2020/09/SH1764_Updated-fact-sheets_Snowy-2.0_website.pdf https://www.snowyhydro.com.au/wp-content/uploads/2020/09/SH1...