Omsk CHP-5 power station

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Omsk CHP-5 power station (Омская ТЭЦ-5) is an operating power station of at least 735-megawatts (MW) in Omsk, Tsentralny, Russia.

Location

Table 1: Project-level location details

Plant name	Location	Coordinates (WGS 84)
Omsk CHP-5 power station	Omsk, Tsentralny, Omsk, Omsk, Russia	55.001843, 73.487412 (exact)

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Unit-level coordinates (WGS 84):

• Unit 1, Unit 2, Unit 3, Unit 4, Unit 5: 55.001843, 73.487412

Project Details

Table 2: Unit-level details

Unit name	Status	Fuel(s)	Capacity (MW)	Technology	CHP	Start year
Unit 1	Operating	coal: subbituminous	100	subcritical	yes	1981
Unit 2	Operating	coal: subbituminous	100	subcritical	yes	1981
Unit 3	Operating	coal: subbituminous	175	subcritical	yes	1982
Unit 4	Operating	coal: subbituminous	175	subcritical	yes	1984
Unit 5	Operating	coal: subbituminous	185	subcritical	yes	1988

Table 3: Unit-level ownership and operator details

Unit name	Owner	Parent
Unit 1	Territorial Generating Company No 11 JSC [100%]	Inter RAO PJSC [100.0%]
Unit 2	Territorial Generating Company No 11 JSC [100%]	Inter RAO PJSC [100.0%]
Unit 3	Territorial Generating Company No 11 JSC [100%]	Inter RAO PJSC [100.0%]
Unit 4	Territorial Generating Company No 11 JSC [100%]	Inter RAO PJSC [100.0%]
Unit 5	Territorial Generating Company No 11 JSC [100%]	Inter RAO PJSC [100.0%]

Project-level coal details

• Coal source(s): Ekibastuz coal

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Background

The 735-MW coal-fired Omsk CHP-5 power station is owned by TGC-11, which in turn is owned by Inter RAO. The plant’s units were brought online between 1981 and 1988.

The TGC-11's website and other sources list the plant as having 735 MW of installed capacity, as of November 2021 and later.

Unit 1's capacity was increased by 20MW to 100 MW in 2015 due to recertification. Likewise, Unit '2 capacity was increased by 20 MW in 2016 due to recertification. This brought installed capacity to 735MW.

In 2021 the power plant produced 3,050 million kWh of electricity, in 2020 it was 2,976 million kWh.

In December 2023, turbine unit malfunction lead to the boiler being unable to operate, leaving many residents in Omsk without central heating in -30 degree temperatures.

Environmental Impact

The plant's operator TGC-11 has refused to sign an openness agreement with the Ministry of the Environment that would allow for monitoring of emissions. In June 2019 pollution was observed in the Irtysh River near a discharge pipe from the plant. In October 2019, responding to environmental concerns raised at a meeting of the REC citizens' group of Omsk, a representative of TGC-11 stated that converting the plant to gas would raise electricity rates by 70% and was too expensive.

In December 2021, reports emerged that the Omsk CHP-5 power station had violated environmental regulations by releasing harmful emissions in excess of amounts specified in its permits. According to news reports, there were no standards in place for regulating the coal dust emissions. CHP-5 in particular was found to be responsible for releasing harmful substances into the Om River.

In September 2022, the court of Omsk ordered TGC-11 to eliminate violations of environmental regulations with respect to all the CHPs in Omsk, including at CHP-5. The time frame to do this is from October 2022 to February 2023.

Reports of grey snow by Omsk residents appeared in early 2025. The environmental authorities were planning to inspect the plant.

Plans to Convert to Gas

Plans to convert the station to gas were mentioned in April 2023. The press service of TGK-11 noted that currently it is not technically possible to receive gas in the required volumes, but several gas companies are exploring ways to eliminate these infrastructure restrictions. Another source discussed that as the plants were included in the KOMMod program, it is prohibited to make changes to the units' configuration for 25 years so converting the units to gas it no feasible before 2050.

Talks of potential conversion to gas continued in early 2024.Connecting the plants in Omsk will require the construction of a new main gas pipeline and an increase in the capacity of existing pipes. Gazprom said that the required volume of gas for CHP-4 and CHPP-5 may not be available until 2028–2029. The boilers at the thermal power plant were originally designed to operate on coal, so they need to be adapted to use gas. Rebuilding one boiler takes eight to ten months and is only possible during the off-season, so as not to interrupt the supply of heat and electricity. Gas is twice as expensive as coal, which will lead to an increase in the tariff. To compensate for the preferential tariff, it will be necessary to allocate about 500 million rubles annually from the regional budget. In the most optimistic scenario, the conversion of the plant will take three to four years, starting from the moment all organizational issues are resolved and the infrastructure is provided. However, given current statements, the process may drag on until the end of the decade. To successfully implement the project, the region will have to find significant funds.

As of April 2025, conversion of the plant to gas was still being discussed, but no official decisions were taken.

Articles and Resources

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.