Shares in London-listed water utilities dropped Tuesday as regulators and politicians ramped up scrutiny on South East Water following a fresh outage that left around 25,000 homes in Kent and Sussex without steady water supply. Severn Trent slid 2.6%, United Utilities lost 1.9%, and Pennon closed down 1.7%.
FTSE 350 water utility Pennon Group plc 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