Dŵr Cymru Cyfyngedig (DCC) trading as Dŵr Cymru Welsh Water (DCWW) is the regulated company that provides water and sewerage services to over 3 million people in Wales as well as some adjoining parts of England. DCC is owned by Glas Cymru, a “not for profit” holding company. DCC serves 1.4 million households and businesses. DCC operates 66 impounding reservoirs, 63 water treatment works and supplies an average 828 million litres of water every day through a network of 26,500km of water mains. DCC also collects wastewater (and surface drainage) through a network of more than 30,000km of sewers. DCWW operates Advanced Digestion facilities processing sewage sludge and producing methane rich biogas and is actively investigating opportunities for hydrogen technology. In addition to this DCWW operates a portfolio of 12 MW of sewage gas fueled Combined Heat and Power engines as well as operating a biomethane production facility.