Materiały konferencyjne SEP 2023

with a concentration of 25%. The total efficiency of these energy plants for heat and electricity reaches 86%, which is unattainable at other energy facilities. In the process of degassing of coal seams from the coal-bearing massif of the mine named after O.F.Zasiadko about 300 million m 3 of mine gas methane, which was used to generate 1 million MW of electricity and produce 350,000 Gcal of heat, was disposed of at the site. Harmful emissions of methane into the atmosphere were reduced by more than 4.7 million tons in CO 2 equivalent. Figure 1. Scheme of LTEC based on the coal enterprise At the same time, the potential possibility of methane explosions was reduced, the state of safety equipment and miners' working conditions were improved, the cost of coal mining was reduced due to the use of electricity and heat of own production for technological needs, as well as from the sale of surplus electricity and heat to the city utility. Mine water can be another source of energy that may eventually replace coal. Utilization of low-potential heat of mine waters is possible with the help of heat pump technologies.