Earlier quoted context omitted.
Isn't that the same? You want to raise the price of energy to make wind etc competitive?
No, you just need fossil fuel energy to be relatively more expensive, not for energy to be more expensive overall. It's happened already but we're currently being held hostage by the coal burners while they scramble to extract the last bit of rent they can.
Put another way, in a world where fossil fuels are no longer consumed, there isn't any reason to limit energy consumption for its sake, since the whole point was to encourage adoption of cleaner technologies. There is a case to be made that this isn't true, since even the "clean" technologies have an environmental impact, but that is tangential to the discussion.