Pennon is an environmental infrastructure group focused on the UK water sector.
Our team of c4,000 brilliant colleagues work around the clock to deliver over 1 billion litres of water to 4.3 million people every day.
Our purpose is rooted in the sustainable stewardship of water, a resource vital to communities and ecosystems, now and for generations to come. We have delivered meaningful steps to strengthen water resilience, protect water quality, and deliver lasting value through innovation, collaboration, and targeted action across our regions.
We maintain and operate over 25,000km of sewers in the South
West region, removing waste from the homes and businesses. Tackling storm overflow spills and reducing pollutions is of utmost importance to us, ensuring we protect the environment and respond to the concerns of our customers and communities.
We have implemented a programme of proactive interventions, informed by extensive data and AI to ensure we are identifying and fixing issues quickly, as well as improving the health of our network.
Tackling storm overflow spills is a priority, focusing on those areas that are most important to our communities. We have delivered 100% bathing water compliance for the fourth year in a row, and while 2024 was the wettest hydrological year on record, spills reduced by
one of only five companies to see a reduction in the year.
Pennon is proud to be at the forefront of environmental infrastructure, delivering sustainable outcomes for our customers, communities, and ecosystems. With our operations deeply connected to the natural water cycle, protecting and enhancing the environment is central to our success.
Our strategy focuses on measurable action, long-term investment, and innovation to improve river and sea water quality, boost biodiversity, and accelerate progress toward Net Zero.
We are committed to supporting the natural environment. From restoring habitats to investing in clean energy, we are helping to build climate resilience and protect the places people love. Since 2019, we have planted
trees, reaching our 2025 target a year early, an important milestone in our nature-based approach to removing carbon from the atmosphere
Tackling affordability means focusing on two core priorities: driving efficiency to keep bills as low as possible, and providing meaningful support to those who need it most.
Over the past decade, we have kept bill increases below inflation, while expanding support to over 150,000 customers. By unlocking £124 million in financial aid, we met our pledge to eliminate water poverty in South West and Bristol by March 2025
As providers of essential services, we play a vital role in the health and economic wellbeing of our communities, and we are committed to delivering excellent customer experiences while keeping bills affordable. Our household and business contact centres focus on providing seamless, end-to-end support.
We are supporting more customers than ever before with over
across the Group benefiting from our financial support framework
Strong water resources position, with over
90% full
Water quality (CRI score) for SWB region.
2024 saw our best performance achieved during the five-year regulatory period SES Top performer for water quality
Supply Demand Balance Index
with industry-leading water quality metrics
Spills reduction
despite wettest hydrological year on record
Industry-leading internal sewer flooding
reduction in network pollution incidents over K7
Less bathing beach releases during the bathing season since 2020
Our provisional score of
for the EPA rating for 2024 calendar year
Revenue
(2023/24: £907.8m)
Group capital investment^
(2023/24: £649.5m)
Underlying EBITDA^
(2023/24: 338.3m)
Water Group Gearing^
(2023/24: 64.4%)
Underlying loss before tax^
(2023/24: £16.8m underlying profit before tax) Impacted by lower customer demand, higher depreciation and interest from capital investment
Return on regulated equity
(2023/24: 7.6%)
Loss before tax
(2023/24: £9.1m loss before tax)One off costs relating to restructure and water quality incident
Underlying EBITDA^
(2023/24 restated)
^ Measures with this symbol are defined in the Alternative Performance
Measure (APMs) as outlined on pages 248 to 251.
“There has never been a more important time to make a positive contribution to the sector and society. What Pennon does for customer, communities and the environment really matters.
“We have ended this year in a resilient position, giving us a strong platform for delivery
“This financial year has been a year of transition as we close out K7 and prepare for K8 - ensuring a resilient balance sheet for the growth ahead
Our approach to ESG ensures everything we do supports our commitment to provide environmental stewardship and to support our customers and local communities. As a responsible employer, we remain focused on employee development alongside a robust health, safety and wellbeing programme. Our activities are underpinned by a strong governance framework that upholds our core values within the organisation and throughout our supply chain
We are driven by our strategic focus of leading on UK environmental infrastructure, delivering for the benefit of our customers, communities, and the environment. Further detail can be found in our TCFD and TNFD report.
Our purpose is to support our people and communities to increase our social value. As a business serving 4.3m of the population and c.4,000 employees we go to great lengths to protect one of our most precious resources.
Nearly 4,000 people work across the Group and brands, in corporate and operational roles. They are the heart of our business, delivering essential water and wastewater services and ensuring clean, safe drinking water for our customers 24/7.
Engaging all our colleagues and ensuring we are all focused on delivering for our customers, today and in the future
Listening to our colleagues and regularly updating our internal communications
training days across the group for our colleagues
now used by over 2,000 employees
Our businesses supply water and wastewater services to 4.3 million residents across the South West and Sutton and East Surrey regions. We also support an additional 10 million people who visit the South West each year – making our services vital to both residents and tourists. Nationally, we serve 210,000 business customers across England through our non household businesses.
roadshows across Devon and Cornwall, engaging with over 1,000 customers
of our customers are now shareholders
We deliver services that are crucial to daily life, which means we are not just a utility provider, we’re part of the fabric of local communities. Our teams live and work where we serve, so we’re closely connected to the people and places that make each community unique. We work with community groups to ensure people have a voice in shaping services that matter to them.
lessons on the water cycle, sewer misuse, plastic pollution and water efficiency to
Our Awesome Water programme has reached
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