Coal mining organization belonging to the Turkish government, which mines lignite
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,[1] with 7% of total production.[2] 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.[3] TKİ is on the Global Coal Exit List compiled by the NGO Urgewald (in German).[4] It employs about 4000 people.[5]: 34
Economics
TKI's annual capital expenditure was ₺198 million (US$57 million) per year between 2016 and 2017.,[6] and the largest lignite mine in Turkey is Afşin-Elbistan.[7] TKİ had been profitable but made losses in 2016 and 2017,[8] and in 2021 the Court of Accounts criticised TKİ for losses which could continue for decades.[9]
Methane
Ventilation air from some mines such as Soma Eynez, contains significant methane; in 2019 studies were being done on how to capture it.[10]
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