The article deals with the technology of combined production of electric and thermal energy using the preliminary air conversion of pyrolysis liquid of automobile tires into synthesis gas, followed by its supply to the battery of an electrochemical generator. The electric power of the installation is 100 kW, the mains heater is 126 kW. Methods of physicochemical modeling and compilation of energy balances are used to determine the main energy characteristics of the installation. It is shown that the specific consumption of pyrolysis liquid for the production of electrical energy is 108 g / kWh (169 g of fuel equivalent / (kW ∙ h)), and the heat consumption is 30 kg / GJ (196 kg of fuel equivalent / Gcal). The fuel utilization rate is 46.4%. The specific consumption of natural and equivalent fuel of this unit is slightly higher than the specific fuel consumption at power plants operating on hydrocarbon natural fuels, but at the same time, significantly lower than that of autonomous diesel-electric power plants. Recommendations on the use of pyrolysis liquid for the generation of electrical and thermal energy using a high-temperature fuel cell based on SOFC are given.