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25/06/2024
Mining News

Rio Tinto to secure domestically sourced power for Oyu Tolgoi mine in Mongolia

Oyu Tolgoi is currently sourcing power from China’s Inner Mongolian Western Grid via overhead power lines, via a back-to-back power purchase agreement with National Power Transmission Grid JSC, the power importing entity, and the Inner Mongolian Power Company, according to Turquoise Hill.

The mining major’s domestic search for energy is part of an obligation to source power by June 30, 2023 under the 2009 Investment Agreement between Turquoise Hill Resources (which owns 66% of Oyu Tolgoi), the Government of Mongolia and Rio Tinto, and the subsequent Power Sector Framework Agreement signed in 2018.

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In compliance with these agreements, Oyu Tolgoi LLC has submitted to the Government of Mongolia a feasibility study for the Tavan Tolgoi Power Plant (TTPP) project, which involves building a 300 MW coal power plant. This plant, to be located in Tsogttsetsii soum of Umnugovi province, comes with a total project cost estimate of up to $924 million, pending consideration of certain amounts yet to be finalised, Turquoise Hill said. Rio says this amount is already included in the group capital expenditure guidance of $7 billion in 2020 and $6.5 billion each in 2021 and 2022.

In parallel with the TTPP project, and in consultation with the Government of Mongolia, Rio Tinto is also progressing alternative options to source domestic power, including a renewable power component, Rio said.

Rio Tinto Copper & Diamonds Chief Executive, Arnaud Soirat, said: “Rio Tinto, Turquoise Hill and the Government of Mongolia are all committed to securing a reliable and long-term domestic power source for the Oyu Tolgoi mine and are working together to achieve this.”

Source: im-mining.com

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