Pennon Group Plc, together with its subsidiaries, operates and invests in utility infrastructure businesses in the United Kingdom. It provides water and sewerage service for Devon, Cornwall, and parts of Dorset and Somerset. The company serves a region of 10,300 square kilometers with approximately 1.68 million residents and 10 million annual visitors; distributes approximately 415 million liters of treated water; and disposes of approximately 481 million liters of waste water through an asset base comprising approximately 15,100 kilometers of water distribution mains, 14,700 kilometers of sewers, 18 impounding reservoirs, 39 water treatment works, and 645 waste water treatment works. It also engages in recycling, renewable energy, and waste management businesses, including the generation of electricity from landfill gas and landfill disposal, as well as renewable energy development, landfill and collection, and residual waste recycling. Its landfill market consists of municipal, commercial, and industrial wastes, as well as certain other special types of waste. The company operates 327 operating units, including 25 materials recycling facilities, 34 landfill gas power plants, 3 energy from waste plants, and 8 anaerobic and in-vessel composting plants. Pennon Group Plc is based in Exeter, the United Kingdom.