In 2025, Siemens Energy 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).
Siemens Energy has also provided a category-level breakdown for 3 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 | 172,468a | 175,000b | 160,000b | |
Total Scope 2 | ||||
Market-Based | 21,992a | 22,000b | 20,000b | |
Location-Based | 281,592a | N/A | N/A | |
Total Scope 3 | 1,394,995,396a | 1,342,880,000b | 1,107,601,000b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 3.7616a | 4.5458b | 4.8678b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Siemens Energy amounted to 454,060 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 Siemens Energy increased by 130.49%, suggesting that the company faced challenges in reducing its emissions from its core operations.ab
In 2025, the total Scope 1 emissions of Siemens Energy were 172,468 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Siemens Energy's Scope 1 emissions have decreased by 35.16%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2024), Siemens Energy's Scope 1 emissions decreased by 1.45%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.ab
In 2025, Siemens Energy reported Scope 2 greenhouse gas (GHG) emissions of 21,992 tCO₂e using the market-based method and 281,592 tCO₂e using the location-based method.a
Since 2019, Siemens Energy's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 20.68%, reflecting a declining long-term trend in Scope 2 emissions over time.ac
In 2025, Siemens Energy reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Siemens Energy reported 1,394,995,396 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 Siemens Energy includes a breakdown across 3 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, Siemens Energy reported total Scope 3 emissions of 1,394,995,396 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 0.7% of these emissions originated from upstream activities such as purchased goods and capital goods, while 99.3% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Siemens Energy's Scope 3 emissionshave remained relatively stable, indicating that Siemens Energy's emissions have plateaued with no significant change in its value chain footprint.ad
Compared to the previous year (2024), Siemens Energy's Scope 3 emissions remained relatively stable, indicating that Siemens Energy's emissions have plateaued with no significant change in its value chain footprint.ab
In 2025, Siemens Energy reported emissions for 3 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 Siemens Energy's Scope 3 emissions were:a
In 2025, Siemens Energy reported Scope 1 greenhouse gas (GHG) emissions of 172,468 tCO₂e and total revenues of USD 45,850 millions. This translates into an emissions intensity of 3.76 tCO₂e per millions USD.a
In 2025, Siemens Energy reported a Scope 1 emissions intensity of 3.76 tCO₂e per millions USD. Compared to the peer group median of 4.63, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Siemens Energy ranked 7 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Siemens Energy is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Siemens Energy reported a total carbon footprint of 1,395,449,456 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 3.9% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.ab
The largest contributor to Siemens Energy's total carbon footprint was Scope 3 emissions, accounting for 99.97% of the company's total carbon footprint, followed by Scope 2 emissions at 0.02%.a