In 2025, Aixtron 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).
Aixtron has also provided a category-level breakdown for 9 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 | 127a | 232a | 197b | |
Total Scope 2 | ||||
Market-Based | 270a | 422a | N/A | |
Location-Based | 6,298a | 5,389a | 5,546b | |
Unspecified Calculation Method | N/A | N/A | N/A | |
Total Scope 3 | 461,507a | 493,019a | 425,681b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 0.1941a | 0.3521a | 0.2826b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Aixtron amounted to 6,425 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 Aixtron increased by 14.3%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, the total Scope 1 emissions of Aixtron were 127 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Aixtron's Scope 1 emissions have decreased by 25.64%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2024), Aixtron's Scope 1 emissions decreased by 45.26%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Aixtron reported Scope 2 greenhouse gas (GHG) emissions of 270 tCO₂e using the market-based method and 6,298 tCO₂e using the location-based method.a
Compared to the previous year (2024), Aixtron's Scope 2 emissions (Location-Based) rose by 16.87% in 2025, suggesting that the company faced challenges in reducing emissions from purchased electricity and energya
In 2025, Aixtron reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Aixtron reported 461,507 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 Aixtron includes a breakdown across 9 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, Aixtron reported total Scope 3 emissions of 461,507 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 8.36% of these emissions originated from upstream activities such as purchased goods and capital goods, while 91.64% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Aixtron's Scope 3 emissions have increased by 12,585.84%, reflecting a rising long-term trend in Scope 3 emissions over time.ac
Compared to the previous year (2024), Aixtron's Scope 3 emissions remained relatively stable, indicating that Aixtron's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Aixtron reported emissions for 9 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 Aixtron's Scope 3 emissions were:a
In 2025, Aixtron reported Scope 1 greenhouse gas (GHG) emissions of 127 tCO₂e and total revenues of USD 654 millions. This translates into an emissions intensity of 0.19 tCO₂e per millions USD.a
In 2025, Aixtron reported a Scope 1 emissions intensity of 0.19 tCO₂e per millions USD. Compared to the peer group median of 1.9, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Aixtron ranked 4 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places Aixtron among the top performers, with one of the lowest emissions intensities relative to peers.a
In 2025, Aixtron reported a total carbon footprint of 467,932 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 6.16% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to Aixtron's total carbon footprint was Scope 3 emissions, accounting for 98.63% of the company's total carbon footprint, followed by Scope 2 emissions at 1.35%.a