In 2025, TGS completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
TGS has also provided a category-level breakdown for 4 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 403,190a | 256,330a | 76,102b | |
Total Scope 2 | ||||
Market-Based | 11,700a | 10,930a | N/A | |
Location-Based | 10,270a | 10,850a | 9,738b | |
Total Scope 3 | 179,360a | 201,920a | 290,502b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 264.0579a | 194.4546a | 95.8105b |
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In 2025, the total operational greenhouse gas (GHG) emissions of TGS amounted to 413,460 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of TGS increased by 54.75%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, the total Scope 1 emissions of TGS were 403,190 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, TGS's Scope 1 emissions have decreased by 7.68%, reflecting a declining long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), TGS's Scope 1 emissions increased by 57.29%, suggesting that the company faced challenges in reducing emissions from its directly owned or controlled operations.a
In 2025, TGS reported Scope 2 greenhouse gas (GHG) emissions of 11,700 tCO₂e using the market-based method and 10,270 tCO₂e using the location-based method.a
Since 2019, TGS's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 46.76%, reflecting a declining long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), TGS's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that TGS's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, TGS reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, TGS reported 179,360 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2025 disclosure of TGS includes a breakdown across 4 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2024, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2025, TGS reported total Scope 3 emissions of 179,360 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 100% of these emissions originated from upstream activities such as purchased goods and capital goods, while 0% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, TGS's Scope 3 emissions have decreased by 55.5%, reflecting a declining long-term trend in Scope 3 emissions over time.a
Compared to the previous year (2024), TGS's Scope 3 emissions decreased by 11.17%, highlighting the company's efforts to lower indirect emissions from its value chain.a
In 2025, TGS reported emissions for 4 out of the 15 Scope 3 categories defined by the GHG Protocol.a
The limited disclosure restricts visibility into specific emission sources across the company's value chain.
In 2025, the largest contributors to TGS's Scope 3 emissions were:a
In 2025, TGS reported Scope 1 greenhouse gas (GHG) emissions of 403,190 tCO₂e and total revenues of USD 1,527 millions. This translates into an emissions intensity of 264.06 tCO₂e per millions USD.a
In 2025, TGS reported a Scope 1 emissions intensity of 264.06 tCO₂e per millions USD. Compared to the peer group median of 21.58, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, TGS ranked 23 out of 23 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places TGS among the least efficient performers, with one of the highest emissions intensities in its sector.a
In 2025, TGS reported a total carbon footprint of 592,820 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 26.37% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to TGS's total carbon footprint was Scope 1 emissions, accounting for 68.01% of the company's total carbon footprint, followed by Scope 3 emissions at 30.26%.a