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Carbon reducing £23m heating network backed by Devon councils

Plans for a new carbon emission reducing, energy efficient district heating network in Devon have been unveiled, which will support efforts to tackle climate change by cutting emissions from a new housing development by up to 70 per cent.

The initiative is being backed by Teignbridge District Council, Exeter City Council and Devon County Council, with a funding contribution of up to £7.3m for the £23m capital investment project.

The councils are so confident of the future benefits of the scheme, that an advance payment of £50,000 will be made available for preliminary infrastructure works to take place.

Analysis has suggested that the new heat network will reduce carbon emissions from new homes planned by up to 70% compared with natural gas fired boiler alternatives, delivering carbon savings of at least 2,500 tonnes per annum via a long-term low carbon heat supply.

The new heat network will support the current local plan’s mixed-use development in South West Exeter which, with Teignbridge Council, Exeter City Council’s planned housing developments will see up to 2,500 new homes in the area, as well as a new school campus, shops and community facilities.

The network will be provided with heat from a nearby energy recovery facility (ERF) located at Marsh Barton and the ERF puts waste which cannot be recycled to work to generate heat and power.

Export of heat from the ERF is around five times more energy efficient than the generation of electricity at the plant and it would mean that, for example, gas boilers would not be needed in homes within the South West Exeter development area.

With the Government stopping the use of fossil fuel heating systems in new homes in the ‘shortest possible timeline’, the network heating solution will provide home owners with not only an environmentally friendly alternative, but also a cost effective one.

Officers from Exeter, Teignbridge and Devon councils have been working with advisers from the University of Exeter and the Department for Business, Energy and Industrial Strategy (BEIS) to bring the project forward.

The local utility network is working closely with the ERF operator to put in place arrangements for accessing the plant’s heat and are also in the process of negotiating terms with the development area’s housebuilders and developers, in order to provide low carbon heat to future residents and occupants.

The need for substantial upfront capital investment and uncertain rates of return means that the scheme today is not commercially viable, leading council members to decide to support the venture with a multi-million-pound package of grant and loan funding.

Funding will come from developer contributions, including the Community Infrastructure Levy, which is a charge on development to fund new infrastructure.

The expectation is that the system would also have the capacity to heat further new homes and commercial buildings at Marsh Barton.

Commenting, Councillor Rachel Sutton, Exeter City Council’s Deputy Leader and Portfolio Holder for Net Zero Exeter 2030 said: “Coming up with better ways to heat our homes is vital if we are to reduce our carbon footprint.

“Using heat from the energy from waste (EfW) plant is both sensible and efficient.”

Teignbridge Council Leader, Councillor Alan Connett commented: “This is an innovative way of helping future home owners with an effective energy solution for heating their homes, whilst at the same time making a significant impact on our carbon savings plans.

“It is an example of how we as a council can work with neighbouring authorities and developers to implement solutions which improve housing while tackling environmental concerns.

“Until contracts are signed, we can’t guarantee that the scheme will go ahead, but everyone is committed to overcoming the outstanding issues and pushing forward with this innovative approach.”

Devon County Council Leader, Councillor John Hart added: “We support the concept of this district heating system in the South East Exeter development, as we've seen it successfully introduced at other developments in the area, such as Cranbrook and Monkerton, and it would help our efforts to tackle the climate emergency.”

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