No,not specific outlets,but I imagine same as before the domestic market,One market for Anthracite that I never knew or thought about before is the sewage filtration process,apparently it consumes large tonnages in various sizes.
There was talk of a new opencast between Ffos-y-fran (Merthyr Tydfil) opencast and the Rhymney Valley a couple of years ago. Objections by the council and residents and the uncertainty over Tata Steels future seemed to scupper that. Maybe it is felt that the drift mine option may be easier?
I remember you mentioning before about the stone in the coal,There was a new washery built not long before it closed last time,hope it does a better job than before.
The cement industry for one, uses a pulverised coal/air fuel mix which just cant be replaced with solar/wind/wave power.I suspect coal is on the way out in cement production, gas/oil fired kilns offer easier control of firing parameters and stack emission control.Interesting info on kiln fuels.http://www.cemex.co.uk/alternativefuels.aspx
The cement industry for one, uses a pulverised coal/air fuel mix which just cant be replaced with solar/wind/wave power.