In 2025, Iren S.p.A. 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).
Iren S.p.A. has also provided a category-level breakdown for 15 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022 - 2017 |
|---|---|---|---|---|
Total Scope 1 | 3,460,649a | 3,415,895a | 3,629,470b | |
Total Scope 2 | ||||
Market-Based | 215,666a | 184,521a | 200,969b | |
Location-Based | 119,256a | 114,197a | 118,584b | |
Total Scope 3 | 3,708,081a | 3,490,341a | 3,720,279b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | N/A | 551.7632a | 516.134b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Iren S.p.A. amounted to 3,579,905 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 Iren S.p.A. increased by 1.41%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, the total Scope 1 emissions of Iren S.p.A. were 3,460,649 metric tons of CO₂ equivalent (tCO₂e).a
Since 2020, Iren S.p.A.'s Scope 1 emissions have decreased by 14.95%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year (2024), Iren S.p.A.'s Scope 1 emissions increased by 1.31%, suggesting that the company faced challenges in reducing emissions from its directly owned or controlled operations.a
In 2025, Iren S.p.A. reported Scope 2 greenhouse gas (GHG) emissions of 215,666 tCO₂e using the market-based method and 119,256 tCO₂e using the location-based method.a
Since 2020, Iren S.p.A.'s Scope 2 greenhouse gas (GHG) emissions (Location-Based) have increased by 19.59%, reflecting a rising long-term trend in Scope 2 emissions over time.ab
Compared to the previous year (2024), Iren S.p.A.'s Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Iren S.p.A.'s emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Iren S.p.A. reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Iren S.p.A. reported 3,708,081 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 Iren S.p.A. includes a breakdown across 15 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, Iren S.p.A. reported total Scope 3 emissions of 3,708,081 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 35.13% of these emissions originated from upstream activities such as purchased goods and capital goods, while 64.87% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2020, Iren S.p.A.'s Scope 3 emissionshave remained relatively stable, indicating that Iren S.p.A.'s emissions have plateaued with no significant change in its value chain footprint.ab
Compared to the previous year (2024), Iren S.p.A.'s Scope 3 emissions remained relatively stable, indicating that Iren S.p.A.'s emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Iren S.p.A. reported emissions for 15 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 Iren S.p.A.'s Scope 3 emissions were:a
In 2024, Iren S.p.A. reported Scope 1 greenhouse gas (GHG) emissions of 3,415,895 tCO₂e and total revenues of USD 6,191 millions. This translates into an emissions intensity of 551.76 tCO₂e per millions USD.a
In 2024, Iren S.p.A. reported a Scope 1 emissions intensity of 551.76 tCO₂e per millions USD. Compared to the peer group median of 346.81, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2024, Iren S.p.A. ranked 14 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Iren S.p.A. is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Iren S.p.A. reported a total carbon footprint of 7,287,986 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 3.81% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to Iren S.p.A.'s total carbon footprint was Scope 3 emissions, accounting for 50.88% of the company's total carbon footprint, followed by Scope 1 emissions at 47.48%.a