The United Kingdom produces about ten million tons of coal a year [1] from open-pit mines. The majority comes from Scotland,[2] with the largest operator there being the Scottish Coal subsidiary of Scottish Resources Group;[3] they are rather unforthcoming about the locations of their mines.
Statistics on open-pit coal mining are compiled by the British Geological Survey from information provided by local planning authorities, and available at "Opencast coal statistics". http://www.bgs.ac.uk/mineralsuk/mines/coal/occ/home.html..
Any given site does not last very long - four or five years at extraction rates of up to a quarter-million tons a year. Open-pit sites active in 2010 include [4]:
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Miller Argent run the 'Ffos-y-fran Land Reclamation Scheme' in eastern Merthyr Tydfil, which involves mining the coal from under 367 hectares of land made derelict by earlier coal-mining operations; the coal will be provided to the Aberthaw Power Station on the Glamorgan coast. The project started in 2007 and is expected to last 17.5 years.
The deep mine at Tower Colliery closed in 2008, but there is a plan to build an 80-hectare 165-metre open-pit mine to extract a remaining 6Mton reserve of anthracite, for which a planning application was registered in July 2010.[5]
Energybuild Ltd operates an opencast site here;[6] it was estimated to have 450kton of recoverable coal in 2006, which has mostly been excavated between 2006 and 2009. The overburden was sold as road stone.
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