For one thing, if West consistent on blocking Russian Hydrocarbon, one thing that will be push down. Time table for green energy.
German should not only relook on their Coal, but also Nuclear energy. Nuclear safety has much improve, so does nuclear waste management. They should put more nuclear option, if West serious for Power Independent from Russia.
Still it will take time to rebuild West Nuclear power capacities. So Coal will be the interim solution. Thus the choice of Russian Gas that are 'relatively" cleaner, or more power independent with 'dirty' coal.