Sutton Decentralised Energy Network Limited (SDEN) is a company wholly owned by  the London Borough of Sutton. Set up in 2016, SDEN will deliver heating and hot water to residents and businesses across South London, starting in Sutton. SDEN will reduce fossil fuel use, contributing towards Sutton’s goal of becoming a zero carbon borough by 2025.

What is a ‘Decentralised Energy Network’?

A Decentralised Energy Network is a method of distributing energy locally to maximise efficiency and to use sources of energy in that area. There are over 180 decentralised energy networks projects being developed across the UK and a significant number of these are being supported by the Department for Business Energy and Industrial Strategy.

What is the ‘Sutton Decentralised Energy Network’?

The Sutton Decentralised Energy Network (SDEN) will use energy generated by the new Energy Recovery Facility (ERF) and the existing landfill gas engines in Beddington. This will provide low-carbon energy in the form of hot water, meeting the heating and hot water needs of homes and businesses in Sutton and neighbouring boroughs.

Why is SDEN different from other Decentralised Energy Networks?

The majority of other decentralised energy networks across the UK use fossil fuels in high-efficiency energy generation plants to generate heat. We are different because we will be using low carbon heat from other sources.

What exactly is “District Heating”?

District Heating is a type of Decentralised Energy. In the UK, heating tends to be supplied on-site in individual buildings or homes using gas boilers, electric heaters and oil powered boilers. However, in many parts of the world, it is common to have networks to transport heat to consumers through insulated pipes. This process is called “District Heating”. In these cases, the heat source is not contained inside the individual building but is generated locally and is distributed to many consumers via a network of pipes. It’s similar to a domestic central heating system, but on a much larger community scale. As a result District Heating schemes enable the use of low carbon technologies when a number of buildings are supplied with heat from the same source and they can utilise sources of heat that may otherwise be wasted.

There is no risk of Carbon Monoxide, therefore safety checks usually associated with gas boilers are not required.