“Reset 3.0” doesn’t answer the biggest questions about Snowy’s $25 billion-plus pumped hydro gamble

Snowy Hydro’s latest blowout in costs to its giant 2.0 pumped hydro project – reset to as much as $25 billion, and maybe even more – leaves lots of unanswered questions.

Engineering textbooks will no doubt present the 2.2 gigawatt scheme to connect two reservoirs through 27 kilometres…