Denisovsky Vostochny Coal Mine

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Denisovsky Vostochny Coal Mine (шахта Денисовская Восточная) is an operating coal mine in Neryungri, Neryungrinsky, Sakha, Russia.

Location

Table 1: Project-level location details

Mine Name	Location	Coordinates (WGS 84)
Denisovsky Vostochny Coal Mine	Neryungri, Neryungrinsky, Sakha, Russia	56.7591785830087, 124.923535024271 (approximate)

The map below shows the approximate location of the coal mine:

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Project Details

Table 2: Project status

Status	Status Detail	Opening Year	Closing Year
Operating	–	2021	2063 (planned)

Table 3: Operation details

Note: The asterisk (*) signifies that the value is a GEM estimated figure.

Capacity (Mtpa)	Production (Mtpa)	Year of Production	Mine Type	Mining Method	Mine Size (km2)	Mine Depth (m)	Workforce Size
4	5.4	2024	Underground	–	–	448*	709

Table 4: Coal resources and destination

Total Reserves (Mt)	Year of Total Reserves Recorded	Total Resources (Mt)	Coalfield	Coal Type	Coal Grade	Primary Consumer/ Destination
120	–	–	–	Bituminous	Met	Terminal (Export)

Table 5: Ownership and parent company

Note: To access more comprehensive data on energy ownership, please visit the Global Energy Ownership Tracker.

Owner	Parent Company	Headquarters
GOK Denisovsky JSC [100.0%]	Kolmar LLC	Russia

Table 6: Historical production (unit: million tonnes per annum)

Note: The asterisk (*) indicates that the value is an estimated figure based on various factors, including the company's forecasted or reported monthly or quarterly production data, etc.

ROM or Saleable	2017	2018	2019	2020	2021	2022	2023	2024	2025
Saleable	–	–	–	–	2.7*	2*	3*	5.4	–

Note: The above sections were automatically generated and are based on data from the Global Coal Mine Tracker August 2026 release.

Ownership Tree

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

Background

Denisovsky Vostochny Coal Mine (шахта Денисовская Восточная) is an underground mine in Sakha Republic, Russia. The Denisovskaya Vostochny coal mine is operated by GOK Denisovsky JSC, which is owned by Kolmar LLC.

It is part of the Denisovsky Mining Complex (Денисовский ГОК) which also includes the Denisovskaya Central Coal Mine and Denisovsky Surface Coal Mine. Production data for these mines was typically reported on a consolidated basis rather than separately for each unit.

The mine was commissioned on the 9th of April 2021. Its capacity is 4 million tonnes.

Its 2021 production was estimated at around 2.5Mt as total GOK Denisovsky production of 6 million tonnes less estimated production of Denisovsky Surface Coal Mine and Denisovskaya Central Coal Mine. In the first 6 months of 2022, the mine produced 1 million tonnes.

As of April 2023, there were plans to increase monthly production to 0.4 million tonnes from the current level of 0.3Mt. (annual equivalent - 4.8 million tonnes). This monthly target was said to be achieved in December 2023. On this basis it was estimated that 2023 production was about 3 Mt, given the overall production of GOK Denisovsky of 4.3Mt in 2023.

A government report on the coal industry in 2022 stated the plan to increase the mine's production to 4 Mtpa by 2026, with production anticipated until 2063.

It was estimated that the Denisovsky coal mining complex produced approximately 5.4 million tonnes of coal in 2024.

In 2025, Kolmar’s total coal production amounted to 10.4 million tonnes across its two mining complexes — Denisovsky and Inaglinsky (comprises Inaglinsky Coal Mine 1, Inaglinsky Coal Mine 2 and Inaglinsky Surface Coal Mine).

Incidents and Regulatory Measures

An incident occurred at the mine in October 2024 where a rock collapse resulted in one fatality.

In February 2026, underground mining operations at the Denisovsky Vostochny coal mine were suspended for 30 days due to violations of industrial safety requirements, specifically the operation of the “Conveyor Incline of Seam D15” without an approved mine development plan, which was assessed as posing an immediate threat to the life and health of workers.

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Additional data

To access additional data, including an interactive map of world coal mines, a downloadable dataset, and summary data, please visit the Global Coal Mine Tracker on the Global Energy Monitor website.