Alstom commissioned unit 8 of the TPP-26 cogeneration gas combined cycle power plant in Moscow on behalf of Mosenergo JSC, Russia's largest fossil fuel based power generating company. With an efficiency of 59%, the gas fired cogeneration combined cycle unit will have the highest efficiency of any combined cycle power plant in Russia, while the use of surplus steam for district heating will bring the plant's overall fuel utilization to well over 85%.

The integration of unit 8 was designed to produce 420 MW of electrical power and up to 308 MW of district heating.