The exploitation has four open pits Tismana I, Tismana II, Gârla - Rovinari Est and Pinoasa that produced 8 million tonnes of lignite in 2008. The mine has around 3,000 workers and is endowed with 23 bucket-wheel excavators, 14 spreaders, three mixed machines and one deposits spreader. The total proven recoverable reserves of the mine amount to 610 million tonnes of lignite.
