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McGeeisme There is a thing called Snowy Hydro here in Australia too, but since the advent of the AEMO (Australian Energy Market Operator) which turned electricity and gas networks into commercial 'sharemarket' style trading entities, it's all gone to shit and the hydro system is just another thing that comes online only when market prices are higher, and goes offline when they're not. Electricity generation and distribution and retailing all used to be done by government owned businesses. Now all the generation is private, and the retailing is private, and only the distribution is still semi-government.
EV's are getting trendy off the back of 'established' rooftop solar industries. But that's very much a case of a two-tiered 'have or have-not' situation. If a person has rooftop solar they are probably 5x more likely to consider an electric vehicle and if they also have a home battery system and/or a big phat generator they are probably 10x more likely to consider an EV.