Thames Water Utilities Limited, commonly referred to as Thames Water, is a leading water and wastewater services provider based in Great Britain. Headquartered in Reading, the company primarily serves London and the Thames Valley region, delivering essential services to millions of customers. Founded in 1989, Thames Water has achieved significant milestones, including substantial investments in infrastructure and sustainability initiatives.
The company’s core offerings include water supply, wastewater treatment, and environmental management, distinguished by its commitment to innovation and customer service. Thames Water is recognised for its efforts in reducing water leakage and enhancing water quality, positioning itself as a key player in the UK water industry. With a focus on sustainability and community engagement, Thames Water continues to strive for excellence in providing reliable and efficient services.
+13 vs industry average
Thames Water Utilities’s score of 30 is higher than 55% 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
Wastewater Treatment is among the most carbon-intensive industries
Industry performance
The Wastewater Treatment industry has increased its overall emissions by 292% since 2019
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Thames Water Utilities's reported carbon emissions
In 2024, Thames Water Utilities reported total carbon emissions of approximately 355.9 million kg CO2e. This figure includes Scope 1 emissions of about 224.6 million kg CO2e, Scope 2 emissions of approximately 6,000 kg CO2e (market-based), and Scope 3 emissions of around 360.7 million kg CO2e. The previous year, 2023, saw total emissions of approximately 361 million kg CO2e, with Scope 1 at about 220.3 million kg CO2e, Scope 2 at approximately 5,000 kg CO2e (market-based), and Scope 3 at around 355 million kg CO2e. Thames Water has set ambitious climate commitments, aiming to achieve net zero emissions from its operations by 2030, with a long-term goal to go beyond this by 2040. The company has already achieved a significant reduction of 68% in emissions compared to its 1990 baseline, equating to a reduction of 576,000 tonnes CO2e. Additionally, Thames Water plans to limit operational and capital greenhouse gas emissions by 78% by 2035, relative to 1990 levels, as part of its commitment to the UK Government's sixth carbon budget. The emissions data is cascaded from Thames Water Utilities Limited, with performance sources directly linked to the organisation. The company continues to invest in initiatives such as the upgrade of the Mogden Sewage Treatment Works, which is expected to further reduce carbon emissions and contribute to its net zero pathway.
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Thames Water Utilities’s Climate Goals (2030 & 2050)
7 goals2050
78% reduction in all scopes
We aim to meet our share of the Government's sixth carbon budget by limiting the volume of operational and capital greenhouse gases by 78% b…
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
4 of 15 categories disclosedSee all scope 3 categories
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Emissions comparison with industry peers
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