In 2025, Keyence 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).
However, Keyence has not published a category-level breakdown of its Scope 3 emissions, limiting visibility into specific value chain sources.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 174a | 179a | 154a | |
Total Scope 2 | ||||
Market-Based | 3,253a | 3,669a | 4,487a | |
Location-Based | N/A | N/A | N/A | |
Total Scope 3 | 1,241,073a | 1,239,243a | 1,545,190a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 0.0246a | 0.028a | 0.0222a |
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In 2025, the total operational greenhouse gas (GHG) emissions of Keyence amounted to 3,427 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 Keyence decreased by 10.94%, 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 Keyence were 174 metric tons of CO₂ equivalent (tCO₂e).a
Since 2022, Keyence's Scope 1 emissions have decreased by 8.42%, reflecting a declining long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), Keyence's Scope 1 emissions decreased by 2.79%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Keyence reported Scope 2 greenhouse gas (GHG) emissions of 3,253 tCO₂e using the market-based method.a
Since 2022, Keyence's Scope 2 greenhouse gas (GHG) emissions (Market-Based) have decreased by 34.61%, reflecting a declining long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), Keyence's Scope 2 emissions (Market-Based) fell by 11.34% in 2025, showing that the company has made progress in taking action to reduce the climate impact of its energy consumption.a
In 2025, Keyence reported its Scope 2 emissions using the market-based method.a
In 2025, Keyence reported 1,241,073 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 Keyence includes a breakdown across 0 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, Keyence reported total Scope 3 emissions of 1,241,073 metric tons of CO₂ equivalent (tCO₂e).a
Since 2022, Keyence's Scope 3 emissionshave remained relatively stable, indicating that Keyence's emissions have plateaued with no significant change in its value chain footprint.a
Compared to the previous year (2024), Keyence's Scope 3 emissions remained relatively stable, indicating that Keyence's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Keyence reported Scope 1 greenhouse gas (GHG) emissions of 174 tCO₂e and total revenues of USD 7,073 millions. This translates into an emissions intensity of 0.02 tCO₂e per millions USD.a
In 2025, Keyence reported a Scope 1 emissions intensity of 0.02 tCO₂e per millions USD. Compared to the peer group median of 2.11, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Keyence ranked 1 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places Keyence among the top performers, with one of the lowest emissions intensities relative to peers.a
In 2025, Keyence reported a total carbon footprint of 1,244,500 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 0.11% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to Keyence's total carbon footprint was Scope 3 emissions, accounting for 99.72% of the company's total carbon footprint, followed by Scope 2 emissions at 0.26%.a