At least for Poland it is not about availability (because coal is often cheaper from Russia or China, than locally) and more about current (and past, for that m

At least for Poland it is not about availability (because coal is often cheaper from Russia or China, than locally) and more about current (and past, for that matter) government trying to appeal to the people still involved with mining industry, not closing it down and subsidising it heavily instead of modernising the energy sources of the country for lower costs, ecology and future proof-ness.