That’s not necessarily a problem — coal power being more expensive to run by virtue of a tax on production means there’s an opportunity for renewable energy to

That’s not necessarily a problem — coal power being more expensive to run by virtue of a tax on production means there’s an opportunity for renewable energy to undercut it without having to be subsidised directly as the “good” option (c.f. how fracking has reduced the price of gas to the point that running a coal plant is economic madness).