In 2025, 1&1 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).
1&1 has also provided a category-level breakdown for 10 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 | 1,522.8a | 2,025.3a | 2,143.6a | |
Total Scope 2 | ||||
Market-Based | 665.7a | 464.8a | 425.6a | |
Location-Based | 5,559.8a | 3,549.2a | 2,542.2a | |
Unspecified Calculation Method | N/A | N/A | N/A | |
Total Scope 3 | 781,532.3a | 933,730.7a | 867,497.9a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 0.3132a | 0.4789a | 0.4728a |
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In 2025, the total operational greenhouse gas (GHG) emissions of 1&1 amounted to 7,082.6 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 1&1 increased by 27.05%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, the total Scope 1 emissions of 1&1 were 1,522.8 metric tons of CO₂ equivalent (tCO₂e).a
Compared to the previous year (2024), 1&1's Scope 1 emissions decreased by 24.81%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, 1&1 reported Scope 2 greenhouse gas (GHG) emissions of 665.7 tCO₂e using the market-based method and 5,559.8 tCO₂e using the location-based method.a
Compared to the previous year (2024), 1&1's Scope 2 emissions (Location-Based) rose by 56.65% in 2025, suggesting that the company faced challenges in reducing emissions from purchased electricity and energya
In 2025, 1&1 reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, 1&1 reported 781,532.3 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 1&1 includes a breakdown across 10 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, 1&1 reported total Scope 3 emissions of 781,532.3 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 91.32% of these emissions originated from upstream activities such as purchased goods and capital goods, while 8.68% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, 1&1's Scope 3 emissions have increased by 20,894.82%, reflecting a rising long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2024), 1&1's Scope 3 emissions decreased by 16.3%, highlighting the company's efforts to lower indirect emissions from its value chain.a
In 2025, 1&1 reported emissions for 10 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This reflects a high level of granularity and transparency in the company's emissions reporting.
In 2025, the largest contributors to 1&1's Scope 3 emissions were:a
In 2025, 1&1 reported Scope 1 greenhouse gas (GHG) emissions of 1,522.8 tCO₂e and total revenues of USD 4,862 millions. This translates into an emissions intensity of 0.31 tCO₂e per millions USD.a
In 2025, 1&1 reported a Scope 1 emissions intensity of 0.31 tCO₂e per millions USD. Compared to the peer group median of 2.09, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, 1&1 ranked 2 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places 1&1 among the top performers, with one of the lowest emissions intensities relative to peers.a
In 2025, 1&1 reported a total carbon footprint of 788,614.9 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 16.04% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to 1&1's total carbon footprint was Scope 3 emissions, accounting for 99.1% of the company's total carbon footprint, followed by Scope 2 emissions at 0.71%.a