When Snowy Hydro 2.0 was first announced by the Turnbull government in 2017, it was touted as a $2 billion project capable of delivering 2 megawatts of power on command and 350,000 megawatt-hours of storage by 2021.
Since then, the project has faced a series of delays, with costs rising inexorably to $12 billion by August 2023.
Professor Bruce Mountain and former energy executive Ted Woodley believe that Snowy Hydro could end up costing $42 billion, comprising direct construction costs of $20 billion, transmission infrastructure costs totalling $12 billion and interest charges of $8 billion over 15 years:
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