Australian rooftop solar is the cheapest consumer energy in history. This is despite the hardware and salaries being roughly equal to the US where the cost is a

Australian rooftop solar is the cheapest consumer energy in history. This is despite the hardware and salaries being roughly equal to the US where the cost is about 3 times more. So it's not wise to extrapolate from US prices. And in general, you should check your electricity bill to see how much is actually for generation vs transmission.