In 2025, Solvay 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).
Solvay has also provided a category-level breakdown for 13 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 | 5,910,000a | 6,900,000a | 7,069,000b | |
Total Scope 2 | ||||
Market-Based | 530,000a | 680,000a | 737,000b | |
Location-Based | 690,000a | 770,000a | 809,000b | |
Total Scope 3 | 13,320,000a | 14,160,000a | 15,893,000b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 1,059.2001a | 1,292.533a | 1,060.0441b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Solvay amounted to 6,600,000 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 Solvay decreased by 13.95%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2025, the total Scope 1 emissions of Solvay were 5,910,000 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Solvay's Scope 1 emissions have decreased by 44.19%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2024), Solvay's Scope 1 emissions decreased by 14.35%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Solvay reported Scope 2 greenhouse gas (GHG) emissions of 530,000 tCO₂e using the market-based method and 690,000 tCO₂e using the location-based method.a
Since 2019, Solvay's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 54%, reflecting a declining long-term trend in Scope 2 emissions over time.ac
Compared to the previous year (2024), Solvay's Scope 2 emissions (Location-Based) fell by 10.39% in 2025, showing that the company has made progress in taking action to reduce the climate impact of its energy consumption.a
In 2025, Solvay reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Solvay reported 13,320,000 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 Solvay includes a breakdown across 8 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, Solvay reported total Scope 3 emissions of 13,320,000 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 40.29% of these emissions originated from upstream activities such as purchased goods and capital goods, while 59.71% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Solvay's Scope 3 emissions have decreased by 59.14%, reflecting a declining long-term trend in Scope 3 emissions over time.ac
Compared to the previous year (2024), Solvay's Scope 3 emissions remained relatively stable, indicating that Solvay's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Solvay reported emissions for 8 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
In 2025, the largest contributors to Solvay's Scope 3 emissions were:a
In 2025, Solvay reported Scope 1 greenhouse gas (GHG) emissions of 5,910,000 tCO₂e and total revenues of USD 5,580 millions. This translates into an emissions intensity of 1,059.2 tCO₂e per millions USD.a
In 2025, Solvay reported a Scope 1 emissions intensity of 1,059.2 tCO₂e per millions USD. Compared to the peer group median of 449.32, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, Solvay ranked 18 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Solvay is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Solvay reported a total carbon footprint of 19,920,000 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 8.75% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to Solvay's total carbon footprint was Scope 3 emissions, accounting for 66.87% of the company's total carbon footprint, followed by Scope 1 emissions at 29.67%.a