High Speed 1 (HS1) is a leading railway transportation service provider based in Great Britain, specialising in high-speed rail services. Established in 2007, HS1 operates primarily in the South East of England, connecting London with key destinations such as Ashford and the Channel Tunnel.
The company is renowned for its unique high-speed rail services, which significantly reduce travel times and enhance connectivity between the UK and mainland Europe. HS1 has achieved notable milestones, including the successful launch of the Eurostar services, which have positioned it as a vital player in the international rail market.
With a commitment to innovation and sustainability, High Speed 1 continues to set industry standards, making it a cornerstone of modern railway transportation in the UK.
-8 vs industry average
High Speed 1’s score of 13 is lower than 36% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Rail Transport is among the most carbon-intensive industries
Industry performance
The Rail Transport industry has reduced its overall emissions by 34% since 2019
Emissions trajectory 2020 – 2026
Reported emissions
Scope 3 accounts for ••• of total emissions.
High Speed 1's reported carbon emissions
High Speed 1 (GB), operating in railway transportation services, reported a total of approximately 12.8 million kg CO2e in 2023. This figure encompasses Scope 1, Scope 2, and Scope 3 emissions. Specifically, Scope 1 emissions were approximately 1.14 million kg CO2e, while Scope 2 emissions (market-based) were approximately 10.4 million kg CO2e, and Scope 3 emissions were approximately 1.27 million kg CO2e.
In 2022, High Speed 1's total emissions were approximately 2.89 million kg CO2e, with Scope 1 at about 1.43 million kg CO2e and Scope 3 at approximately 1.46 million kg CO2e. Scope 2 emissions for 2022 were reported as 0 kg CO2e (market-based), though location-based Scope 2 was approximately 13.55 million kg CO2e.
For 2021, total emissions were approximately 2.84 million kg CO2e, including Scope 1 at around 1.68 million kg CO2e, Scope 2 (market-based) at approximately 0.29 million kg CO2e, and Scope 3 at about 0.88 million kg CO2e.
In 2020, High Speed 1 reported a total of approximately 14.5 million kg CO2e, with Scope 1 at about 1.55 million kg CO2e, Scope 2 (market-based) at approximately 11.68 million kg CO2e, and Scope 3 at around 1.28 million kg CO2e.
High Speed 1 is committed to significant climate action, with Science Based Targets initiative (SBTi) approved commitments. HS1 Ltd, as a small and medium-sized enterprise (SME), commits to reducing its Scope 1 and Scope 2 greenhouse gas emissions by 46% by 2030, using 2019 as the base year. Additionally, the company has committed to measuring and reducing its Scope 3 emissions. These targets are classified as near-term, absolute reductions consistent with keeping warming to 1.5°C. The company has indicated that it is on track for its two-year SBTi near-term targets.
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High Speed 1’s Climate Goals (2030 & 2050)
No climate goals have been disclosed for High Speed 1 yet.
Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Climate initiatives

Science Based Targets Initiative

Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Common questions about High Speed 1’s sustainability data and climate commitments
Data year: 2024
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