In 2025, BT Group 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).
BT Group has also provided a category-level breakdown for 11 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 | 146,600a | 160,715a | 183,885a | |
Total Scope 2 | ||||
Market-Based | 343,340a | 4a | 58a | |
Location-Based | 502,974a | 519,017a | 497,834a | |
Total Scope 3 | 2,853,536a | 3,132,656a | 3,360,519a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 5.5657a | 6.1204a | 7.1779a |
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In 2025, the total operational greenhouse gas (GHG) emissions of BT Group amounted to 649,574 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 BT Group decreased by 4.44%, 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 BT Group were 146,600 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, BT Group's Scope 1 emissions have decreased by 20.71%, reflecting a declining long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), BT Group's Scope 1 emissions decreased by 8.78%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, BT Group reported Scope 2 greenhouse gas (GHG) emissions of 343,340 tCO₂e using the market-based method and 502,974 tCO₂e using the location-based method.a
Since 2019, BT Group's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 38%, reflecting a declining long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), BT Group's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that BT Group's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, BT Group reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, BT Group reported 2,853,536 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 BT Group includes a breakdown across 11 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, BT Group reported total Scope 3 emissions of 2,853,536 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 84.97% of these emissions originated from upstream activities such as purchased goods and capital goods, while 15.03% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, BT Group's Scope 3 emissions have decreased by 11.97%, reflecting a declining long-term trend in Scope 3 emissions over time.a
Compared to the previous year (2024), BT Group's Scope 3 emissions remained relatively stable, indicating that BT Group's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, BT Group reported emissions for 11 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 BT Group's Scope 3 emissions were:a
In 2025, BT Group reported Scope 1 greenhouse gas (GHG) emissions of 146,600 tCO₂e and total revenues of USD 26,340 millions. This translates into an emissions intensity of 5.57 tCO₂e per millions USD.a
In 2025, BT Group reported a Scope 1 emissions intensity of 5.57 tCO₂e per millions USD. Compared to the peer group median of 3.32, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, BT Group ranked 17 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
BT Group is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, BT Group reported a total carbon footprint of 3,503,110 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 8.11% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to BT Group's total carbon footprint was Scope 3 emissions, accounting for 81.46% of the company's total carbon footprint, followed by Scope 2 emissions at 14.36%.a