Pennon Group (PNN) Swings Back to Profit in H1 2025/26, Halves Pollution Incidents and Confirms Guidance
Published: 27 November 2025 FTSE 350 water utility Pennon Group plc (LON: PNN) has reported a strong return to profitability in its half‑year 2025/26 results this morning, alongside sharp improvements in pollution performance and a reaffirmed outlook for the full year. pennon-group.co.uk+1 The market has reacted positively: Pennon shares were trading around 3–4% higher in early London dealing after the announcement, according to several market reports. Investing.com UK+1 Key takeaways at a glance Half‑year 2025/26 results: Pennon finally delivers the promised turnaround Today’s announcement covers the six months to 30 September 2025, Pennon’s first reporting period in Ofwat’s new K8