By Lars Mucklejohn Pennon Water has acquired Sutton and East Surrey (SES) Water and other ancillary businesses from its holding company for £89m to expand its operations across the country. The total enterprise value of the deal is £380m based on a net debt of £291m. SES Water, owned by Japanese firm Sumitomo and Osaka Gas, was one of four firms that Ofwat said in October needed to deliver a turnaround in their financial performance. Privately-owned water companies in England and Wales are facing mounting criticism over leaks, pollution and poor infrastructure. Pennon also announced its intent…