The Turkish Coal Operations Authority (TKİ) is the state-owned enterprise which mines lignite coal in Turkey. Turkey is the third-largest lignite producer in the world, with 7% of total production. In 2018 TKI mined 30 Mt of which 16 Mt was open pit and 14 Mt underground: and in the same year 20 Mt was sold, 12.6 Mt to power plants and 7.4 Mt to industry and households. TKİ is on the Global Coal Exit List compiled by the NGO Urgewald (in German). It employs about 4000 people.
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