to install the equipment for power generation from methane from two underground mines (five coal-pits). to install mini hydro power plants with the power generation capacity of up to 10 MW and the total generation capacity of 120 MW, by 2030. to install wind farms of the power generation capacity of 175 MW by 2030. to install photovoltaic modules of the total power generation capacity of 4 MW by 2030. to introduce renewable energy sources in the existing district heating systems and to construct new district heating systems fuelled by renewable energy sources.