In 2025, Wartsila Oyj Abp 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).
Wartsila Oyj Abp has also provided a category-level breakdown for 4 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 | 40,848a | 37,066a | 41,017b | |
Total Scope 2 | ||||
Market-Based | 5,960a | 12,771a | 14,986b | |
Location-Based | 18,127a | 19,849a | 21,251b | |
Total Scope 3 | 112,086,700a | 115,127,000a | 2,017,900b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 5.0253a | 5.5232a | 6.161b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Wartsila Oyj Abp amounted to 58,975 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 Wartsila Oyj Abp increased by 3.62%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, the total Scope 1 emissions of Wartsila Oyj Abp were 40,848 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Wartsila Oyj Abp's Scope 1 emissions have decreased by 27.79%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year (2024), Wartsila Oyj Abp's Scope 1 emissions increased by 10.2%, suggesting that the company faced challenges in reducing emissions from its directly owned or controlled operations.a
In 2025, Wartsila Oyj Abp reported Scope 2 greenhouse gas (GHG) emissions of 5,960 tCO₂e using the market-based method and 18,127 tCO₂e using the location-based method.a
Since 2019, Wartsila Oyj Abp's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 55.69%, reflecting a declining long-term trend in Scope 2 emissions over time.ab
Compared to the previous year (2024), Wartsila Oyj Abp's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Wartsila Oyj Abp's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Wartsila Oyj Abp reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Wartsila Oyj Abp reported 112,086,700 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 Wartsila Oyj Abp includes a breakdown across 4 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, Wartsila Oyj Abp reported total Scope 3 emissions of 112,086,700 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 0.14% of these emissions originated from upstream activities such as purchased goods and capital goods, while 99.86% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Wartsila Oyj Abp's Scope 3 emissions have increased by 69,519.07%, reflecting a rising long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2024), Wartsila Oyj Abp's Scope 3 emissions remained relatively stable, indicating that Wartsila Oyj Abp's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Wartsila Oyj Abp reported emissions for 4 out of the 15 Scope 3 categories defined by the GHG Protocol.a
The limited disclosure restricts visibility into specific emission sources across the company's value chain.
In 2025, the largest contributors to Wartsila Oyj Abp's Scope 3 emissions were:a
In 2025, Wartsila Oyj Abp reported Scope 1 greenhouse gas (GHG) emissions of 40,848 tCO₂e and total revenues of USD 8,128 millions. This translates into an emissions intensity of 5.03 tCO₂e per millions USD.a
In 2025, Wartsila Oyj Abp reported a Scope 1 emissions intensity of 5.03 tCO₂e per millions USD. Compared to the peer group median of 5.55, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Wartsila Oyj Abp ranked 11 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Wartsila Oyj Abp is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Wartsila Oyj Abp reported a total carbon footprint of 112,145,675 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 2.64% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to Wartsila Oyj Abp's total carbon footprint was Scope 3 emissions, accounting for 99.95% of the company's total carbon footprint, followed by Scope 1 emissions at 0.04%.a