Portsmouth Water Limited
Portsmouth Water Limited, often referred to simply as Portsmouth Water, is a leading water supply company headquartered in Great Britain. Established in 1857, the company has a rich history of providing high-quality drinking water to the South East of England, particularly in Portsmouth and surrounding areas.
Operating within the water utility industry, Portsmouth Water is dedicated to sustainable water management and innovative solutions. The company offers a range of services, including water supply, treatment, and distribution, distinguished by its commitment to environmental stewardship and customer satisfaction.
Recognised for its operational excellence, Portsmouth Water has achieved significant milestones, including investments in modern infrastructure and technology to enhance service delivery. With a strong market position, the company continues to play a vital role in ensuring reliable water access for its communities.
+27 vs industry average
Portsmouth Water Limited’s score of 44 is higher than 70% 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
Water Distribution is among the most carbon-intensive industries
Industry performance
The Water Distribution industry has increased its overall emissions by 287% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Portsmouth Water Limited's reported carbon emissions
In 2025, Portsmouth Water Limited reported total carbon emissions of approximately 6,052,000 kg CO2e. This figure includes Scope 1 emissions of about 521,000 kg CO2e, Scope 2 emissions of approximately 4,633,000 kg CO2e, and Scope 3 emissions of around 898,000 kg CO2e. The company has made significant strides in reducing its carbon footprint, achieving a reduction of 19% in Scope 2 emissions against a target of less than 5% for the same period. Portsmouth Water is committed to long-term climate goals, aiming for an 80% reduction in greenhouse gas emissions by 2050, in line with the UK Climate Change Act. This commitment includes specific near-term targets to reduce Scope 1 and Scope 2 emissions by 30% from a 2020 baseline by 2030. Additionally, the company plans to procure 100% of its electricity from renewable sources, which will help it move closer to achieving operational net zero carbon status by 2030. The emissions data is cascaded from Portsmouth Water Limited, which is a current subsidiary, ensuring that the reported figures reflect the company's own performance and commitments.
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Portsmouth Water Limited’s Climate Goals (2030 & 2050)
8 goals2030
25% reduction in Scope 1
Looking ahead, our target is to reduce leakage by more than a quarter by 2030, from a 2017-2020 baseline, equivalent to a three-year average…
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
No scope 3 category breakdown has been disclosed yet.
Emissions comparison with industry peers
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Portsmouth Water Limited
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