Pennon Group plc (LSE: PNN) is a British water utility and waste management company based in Exeter, Devon in the United Kingdom.
The company is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
The company was founded in 1989 as South West Water plc at the time of the privatisation of the Water Industry in England.
In 1993 it acquired Haul Waste and in 1995 it bought Blue Circle Waste Management.
It changed its name to Pennon Group plc in 1998.
The company successfully saw off a takeover bid from Terra Firma in 2004.
It acquired Thames Waste Management in 2004, Wyvern Waste in 2006, Grosvenor Waste Management and Skipaway Holdings in 2007 and Shore Recycling in 2008.