Customers – There are 1.2 million non-household customers in England eligible to choose their water supplier. There are an additional 130,000 business customers in Scotland.
Retail suppliers – Retail suppliers can compete for the custom of all eligible business customers.
Wholesalers – Appointed companies that own and operate the network of pipes, mains, and treatment works. They act as the wholesalers in the market, selling water and wastewater services to retail suppliers.
Open Water – Open Water is the name given to the programme set up by UK Government to open the business retail market. The programme is led by three partner organisations – Ofwat, Defra and MOSL. Open Water shares information about the market with customers.
Defra – the Department for the Environment, Food and Rural Affairs.
Ofwat is the economic regulator for the sector. We are also the licensing authority for the market. To compete in the market, suppliers must be awarded a licence.
MOSL – the Market Operator makes sure the market functions in a simple and efficient way. MOSL facilitates the transfer of customer information when they switch retail supplier.
WICS – The Water Industry Commission for Scotland is responsible for regulation of the competitive market in Scotland.