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Water Self-Supply

Achieve complete control over water consumption and cost by dealing directly with wholesalers.

The opening of the UK’s water retail market in April 2017 gives non-household customers more choice over where and how they source their water, and - most importantly - the ability to supply themselves.

The Waterscan Water Self-Supply service is designed to provide you with complete control of water consumption and cost by dealing directly with wholesalers to achieve a greater saving, an enhanced service above that of national retailers, total accuracy in billing, and the opportunity to influence the market. Waterscan will navigate the complexities of the market for you, support you in achieving and maintaining your licence and deliver comprehensive management of the administration of self-supplying water to your business.

Uniquely, combining direct access to market data with our extensive water management experience, Waterscan is able to build a robust, tailored and evidence-based strategy. This transparency creates real efficiencies to drive down operational costs, achieve corporate social responsibility goals, and unearth further opportunities for investment in commercially viable infrastructure and sustainability initiatives.


  • Complete control of water cost and consumption

  • Reduction in direct costs for water and wastewater services, plus administrative savings

  • Enhanced service delivery to drive efficiencies

  • Access to central market database (CMOS) to ensure accurate billing

  • Voting rights as a market participant, allowing you to directly influence the market

  • Direct relationships with wholesalers for quicker issue rectification

  • Hassle-free managed licence application and maintenance

  • Consolidated billing (including sites not eligible for self-supply in Wales and Northern Ireland)

Water Self-Supply Service

This service is delivered through two stages, the first of which is to obtain your self-supply licence. Utilising our experience and approved systems, Waterscan will deliver all the licence application requirements on your behalf, working with you to understand and compile the necessary information to achieve success.

Once successful, Waterscan will represent you in market transactions and act as a managing agent to ensure licence compliance and deliver all the services a retailer would and more. Our existing Waterline© software system will be used to supply, receive and, most importantly, validate billing and settlement data; monitor and resolve emergencies and wholesaler issues; and inform the market dataset to reflect reality on the ground – all without taking a margin.

Ultimately, obtaining a self-supply licence puts you in control, enables Waterscan to deal directly with wholesalers for you, provides immediate benefit from market changes and delivers a combination of administrative and efficiency savings for you.


“Self-supply will enable us to drive operational efficiencies across our circa 700 pub estate as well as help in the mission to preserve one of our vital resources, water.”

Stonegate Pub Company

“By choosing to become a self-supplier, it has enabled us to identify services to suit our needs as a responsible business that uses a large volume of water in the processing of laundry.

“Elis has always been conscientious and efficient in the use of water as it is fundamental to our business, with over 40 sites supplying hotels, hospitals and businesses across the UK.

“The ability to self-supply will enable us to work closely with water providers who clearly understand our business, our challenges and our ambitions to manage our water usage responsibility, efficiently and cost effectively.”


“Water is a critical resource for our business, used from growing crops to being a vital ingredient in our ciders and beers. Through our innovation programmes, we’ve been able to help the hospitality industry save 72 million pints of water when serving the perfect pint. But we know more can be done.

A self-supply licence will allow us to monitor our water use across our supply chain more effectively, and help drive through further efficiencies from barley to bar, with our ‘Every Drop’ sustainable water plan.”

Heineken UK Ltd

The Waterscan self-supply service includes

  • Compilation and submission of all relevant licence application forms on your behalf

  • Management of the application process with MOSL and Ofwat

  • Accurate data management on Central Market Operating System (CMOS)

  • Meter reading and reporting frequency defined by you

  • Utilisation of industry approved systems to ensure compliance

  • Guidance, training and support to successfully be awarded a licence

  • Full MI – providing complete transparency and effective management of costs and consumption

  • Direct access to wholesalers and market players

Self-Supply Clients

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