In 2025, STMicroelectronics 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).
STMicroelectronics has also provided a category-level breakdown for 7 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 | 471,546a | 538,136a | 514,000b | |
Total Scope 2 | ||||
Market-Based | 136,788a | 171,347a | 272,000b | |
Location-Based | 818,642a | 864,057a | N/A | |
Total Scope 3 | 3,660,187a | 3,837,356a | 120,000b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 39.9615a | 48.5223a | 29.735b |
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In 2025, the total operational greenhouse gas (GHG) emissions of STMicroelectronics amounted to 1,290,188 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 STMicroelectronics decreased by 7.99%, 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 STMicroelectronics were 471,546 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, STMicroelectronics's Scope 1 emissions have decreased by 15.34%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year (2024), STMicroelectronics's Scope 1 emissions decreased by 12.37%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, STMicroelectronics reported Scope 2 greenhouse gas (GHG) emissions of 136,788 tCO₂e using the market-based method and 818,642 tCO₂e using the location-based method.a
Since 2019, STMicroelectronics's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have remained relatively stable, indicating that STMicroelectronics's emissions have plateaued with no significant change in its energy consumption footprint.ac
Compared to the previous year (2024), STMicroelectronics's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that STMicroelectronics's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, STMicroelectronics reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, STMicroelectronics reported 3,660,187 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 STMicroelectronics includes a breakdown across 7 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, STMicroelectronics reported total Scope 3 emissions of 3,660,187 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, STMicroelectronics's Scope 3 emissions have increased by 2,459.57%, reflecting a rising long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2024), STMicroelectronics's Scope 3 emissions remained relatively stable, indicating that STMicroelectronics's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, STMicroelectronics reported emissions for 7 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 STMicroelectronics's Scope 3 emissions were:a
In 2025, STMicroelectronics reported Scope 1 greenhouse gas (GHG) emissions of 471,546 tCO₂e and total revenues of USD 11,800 millions. This translates into an emissions intensity of 39.96 tCO₂e per millions USD.a
In 2025, STMicroelectronics reported a Scope 1 emissions intensity of 39.96 tCO₂e per millions USD. Compared to the peer group median of 10.5, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, STMicroelectronics ranked 21 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places STMicroelectronics among the least efficient performers, with one of the highest emissions intensities in its sector.a
In 2025, STMicroelectronics reported a total carbon footprint of 4,950,375 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 5.52% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to STMicroelectronics's total carbon footprint was Scope 3 emissions, accounting for 73.94% of the company's total carbon footprint, followed by Scope 2 emissions at 16.54%.a