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In page Coal power in Turkey:

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Power stations burning lignite tend to be near local coalmines, such as Elbistan, because Turkish lignite's calorific value is less than 12.5 MJ/kg (and Afsin Elbistan lignite less than 5 MJ/kg, which is a quarter of typical thermal coal),[1] and about 90% has lower heat value under 3,000 kcal/kg,[2] so is not worth transporting. According to energy analyst Haluk Direskeneli because of the low quality of Turkish lignite large amounts of supplementary fuel oil is used in lignite-fired power stations.[3] In 2025 he said that because flue gas treatment systems consume 8 to 10% of the electricity generated they are often not used.[4] The emission factor is about 105 t/TJ.(cite 2023 NIR page 73 table 3.18)[citation needed]