Pennon Group (PNN): Wastewater pollution reduction plan
This situation live
PNN Pennon Group
27 Nov 2025 · Pollutions halved; storm overflow spills cut c.45% · −1% until the next step
This progress also means we are targeting to achieve a net neutral Outcome Delivery Incentive (ODI)^ position in Wastewater Services this year, a first for South West Water since ODIs were introduced.
10 Mar 2026 · Pollutions down c.40%; overflows down 17% · −8% until the next step
Our Pollution Incident Reduction Plan continues to deliver tangible improvements with a c.40% reduction year on year on pollutions and normalised pollutions reduced by c.55%[1].
10 Jun 2026 · Pollutions down c.34%; EPA 1* provisional · −33% since
Disappointingly, our provisional assessment for the 2025 EPA rating is 1* as pollution incidents, although improved, were still above target, and our WINEP programme did not achieve full delivery in t
Wastewater pollution reduction plan
Pollutions down c.34%; EPA 1* provisional
Next: improve pollutions above target and deliver WINEP projects
Every step · 3
- 27 Nov 2025 Pollutions halved; storm overflow spills cut c.45% – This progress also means we are targeting to achieve a net neutral Outcome Delivery Incentive (ODI)^ position in Wastewater Services this year, a first for... ↗
- 10 Mar 2026 Pollutions down c.40%; overflows down 17% – Our Pollution Incident Reduction Plan continues to deliver tangible improvements with a c.40% reduction year on year on pollutions and normalised pollutions... ↗
- 10 Jun 2026 Pollutions down c.34%; EPA 1* provisional – Disappointingly, our provisional assessment for the 2025 EPA rating is 1* as pollution incidents, although improved, were still above target, and our WINEP... ↗
What is happening
Pennon Group: Wastewater pollution reduction plan – Pollutions down c.34%; EPA 1* provisional. ['Pollutions down c.34%; EPA 1* provisional']
- Announced
- 27 Nov 2025 · Pollutions halved; storm overflow spills cut c.45%
- Latest
- 10 Jun 2026 · Pollutions down c.34%; EPA 1* provisional
- What it changes
- Profit recovery is confirmed, but the net ODI penalty, 1* EPA rating, lower dividend per share and a new CEO promising operational reset keep the story mixed; a strategic update is due by end-September 2026.
What comes next
improve pollutions above target and deliver WINEP projects.
Briefing
Pennon Group in 4 minutes
Pennon owns water and sewerage companies in the South West of England and water-only companies around Bristol and in Surrey. It returned to profit in 2025/26 as a record investment programme began to lift its allowed...
- Act 1Buying Sutton and East Surrey, funded by shareholders
- Act 2The loss year and a bigger raise
- Act 3Profit returns, but the weather and the targets bite
From the company's own announcements. Not investment advice.
Also at Pennon Group 6 open
Transformational contract / build-outK8 capital investment programme – Programme enlarged to c.£3.6bn; draft determination out
New CEO / resetCEO succession – Plan announced, actions under way
Dilutive fundraiseRights issue – Terms set; subscription period opens 12 October
Disposal of a part (break-up)Sale of Pennon Power – Proposed; listed in funding plan
Project milestonesPennon Power build-out – Fife and Aberdeenshire energised, generating revenue
Pennon Group – company page →