T.R. Developed by the Ministry of Environment, Urbanization and Climate Change; "Conformity Permit Certificate, Sales Permit Certificate, Seller and Distributor Certificates" are prepared electronically, delivered to the applicant companies, and coal stock tracking is carried out by the companies and the Provincial Directorates of Environment, Urbanization and Climate Change.
web-based Air Emission Management (HEY) Portal is the mobile application of the "Solid Fuel System".

With this application, users can distribute coal through the system and view the documents they have received.