Poland's biggest mining company PGG expects coal output to fall to between 29.6 million and 29.7 million tonnes this year from more than 30 million last year as demand has dipped partly due to a warm winter, the state-run company said on February 13.
Poland generates most of its electricity from coal but use of the polluting fuel in power production has been gradually decreasing due to rising imports of electricity and falling power consumption.
A PGG spokesman said coal sales had dipped mainly due to a warmer-than-normal winter, driving down demand for the fuel used for heating, and because of the electricity imports.
PGG has built up a stockpile of 2.8 million tonnes of coal compared to none at the same point last year.
Trade unions at PGG have said the stockpiles of coal have also climbed because of coal imports, especially from Russia, which they say are threatening jobs.
The unions plan to organize a two-hour strike on February 17 to voice opposition to the imports and to demand higher wages.
(Writing by Becky Du Editing by Tammy Yang)
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