Coal stocks at Ukrainian TPPs soar by 9% within week

At the same time, anthracite reserves shrank by 1.3%, from 507,400 tonnes to 500,700 tonnes, it said.

Meanwhile, gas grade coal stocks were up 18%, from 590,200 tonnes to 696,300 tonnes.

Read alsoGroysman: Ukraine to give up coal importsUNIAN memo. Hostilities in the eastern regions of Ukraine have caused a significant shortage of coal, primarily that of thermal anthracite group produced in militant-controlled areas of Donetsk and Luhansk regions.

Read alsoUkraine can phase-out fossil, nuclear by 2050 – researchThe energy companies began to transfer the thermal power plants' units from anthracite to gas coal feeding. However, there has been a shortage of the latter since the output of gas coal did not keep pace with its consumption growth. To solve the problem, the companies signed contracts for coal imports from South Africa and the United States.