In 2025, ON Semiconductor 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).
ON Semiconductor 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 | 546,600a | 776,500a | 828,620c | |
Total Scope 2 | ||||
Market-Based | 698,000a | N/A | N/A | |
Location-Based | 674,500a | 705,200a | 727,500b | |
Unspecified Calculation Method | N/A | N/A | N/A | |
Total Scope 3 | 740,400a | 750,800a | 237,700a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 91.1699a | 109.6395a | 100.4023c |
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In 2025, the total operational greenhouse gas (GHG) emissions of ON Semiconductor amounted to 1,221,100 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 ON Semiconductor decreased by 17.59%, 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 ON Semiconductor were 546,600 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, ON Semiconductor's Scope 1 emissions have decreased by 73.65%, reflecting a declining long-term trend in Scope 1 emissions over time.ad
Compared to the previous year (2024), ON Semiconductor's Scope 1 emissions decreased by 29.61%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, ON Semiconductor reported Scope 2 greenhouse gas (GHG) emissions of 698,000 tCO₂e using the market-based method and 674,500 tCO₂e using the location-based method.a
Compared to the previous year (2024), ON Semiconductor's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that ON Semiconductor's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, ON Semiconductor reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, ON Semiconductor reported 740,400 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 ON Semiconductor 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, ON Semiconductor reported total Scope 3 emissions of 740,400 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, ON Semiconductor's Scope 3 emissions have increased by 5,758.52%, reflecting a rising long-term trend in Scope 3 emissions over time.ad
Compared to the previous year (2024), ON Semiconductor's Scope 3 emissions remained relatively stable, indicating that ON Semiconductor's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, ON Semiconductor 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 ON Semiconductor's Scope 3 emissions were:a
In 2025, ON Semiconductor reported Scope 1 greenhouse gas (GHG) emissions of 546,600 tCO₂e and total revenues of USD 5,995 millions. This translates into an emissions intensity of 91.17 tCO₂e per millions USD.a
In 2025, ON Semiconductor reported a Scope 1 emissions intensity of 91.17 tCO₂e per millions USD. Compared to the peer group median of 2.32, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, ON Semiconductor ranked 25 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places ON Semiconductor among the least efficient performers, with one of the highest emissions intensities in its sector.a
In 2025, ON Semiconductor reported a total carbon footprint of 1,961,500 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 12.14% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to ON Semiconductor's total carbon footprint was Scope 3 emissions, accounting for 37.75% of the company's total carbon footprint, followed by Scope 2 emissions at 34.39%.a