Survey Of Energy Resources
COAL (INCLUDING LIGNITE)


UNITED KINGDOM

Proved recoverable reserves (total coal, million tonnes) 1 500
Production (total coal, million tonnes, 1999) 37.1

Coal deposits are widely distributed and for many years the UK was one of the world’s largest coal producers, and by far its largest exporter. Production rose to a peak of nearly 300 million tonnes/year during World War I and thereafter did not fall below 200 million tonnes/year until 1960. Output began a long-term decline in the mid-1960’s, falling to less than 100 million tonnes/year by 1990. Reflecting continued competition from natural gas and imported coal, UK coal production sank to 37 million tonnes in 1999.

The UK coal industry was privatised at the end of 1994, with the principal purchaser being RJB Mining, which acquired 16 deep mines from British Coal. At the end of June 2000 there were 19 major deep mines, 14 smaller deep mines and 48 open-cast sites in production. Deep-mined coal output in 1999 was 20.9 million tonnes and open-cast sites produced 15.3 million tonnes; production from slurry etc. amounted to 0.9 million tonnes. Most deep-mined coal has a significantly higher content of sulphur and chlorine than that of internationally-traded coal. There is now virtually no UK production of coking coal.

The decline of the British coal industry makes it exceptionally difficult to quantify resources and reserves in compliance with the definitions specified for this Survey. In British Coal’s annual report for 1991/1992, coal in place (in seams over 0.6 metres thick and less than 1 200 metres deep) was estimated as 190 billion tonnes, of which some 45 billion tonnes could be extracted with current technology. The report qualified these estimates by stating that "the working of these resources will depend on economic circumstances, together with any other strategic considerations".

For the purpose of the present Survey, the problem lies in quantifying the proportion of the coal in place which should be regarded as "exploitable under present and expected local economic conditions" (see Definitions), and the proportion of the technologically recoverable reserves which would satisfy the same economic criterion.

By far the greater part of the 190 billion tonnes of coal in place quoted above is not within the take of currently operating mines. The UK Department of Trade and Industry’s 1997 Energy Report states that "there were estimated to be approximately 1 billion tonnes of economically viable coal reserves at existing mines at the end of 1994". Parker (1997)* estimated proven UK coal reserves accessible to existing deep mines and identified open-cast sites as "of the order of 800 million tonnes". In this Survey, UK proved recoverable reserves of bituminous coal are quoted at the 1997 Energy Report level of 1 billion tonnes, although a recent assessment (Parker (2000)**), which allows for the effects of subsequent production and for the closure of certain mines, points to an even lower figure.

Estimates of lignite reserves and resources relate only to the Crumlin deposit in County Antrim, Northern Ireland.

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