ESCo for Cranbrook Heat Network Expansion

Description

The project is the expansion of the Cranbrook district heating network in East Devon, to supply heat to new development areas of an additional c4,500 homes and 24,500m2 of commercial space including 3 new schools at Cranbrook new town. The project will benefit from decarbonised heat by connecting to an Energy from Waste facility (EFW) in Hill Barton via an interconnect pipe to SkyPark energy centre “The Interconnector Project”. The interconnector will support the planned expansion of the Cranbrook new town through enabling the delivery of a Future Homes/Buildings Standard compliant energy solution. The project team have developed good working relationships with the Developers of the new homes and commercial spaces at Cranbrook as well as E.ON, the owner and operator of the existing network. The project will be delivered by an ESCo. EDDC will act as broker and facilitate the procurement of the ESCo. The procurement will be carried out by the Cranbrook Developers. Planning is already in place via the EDDC Local Development Order (LDO) for district heating dated July 2020. The proposed expansion area network length is anticipated to be c.98.6km, which will need to be installed by the ESCo. The total heat demand is estimated to be 34.05 GWh/yr, the anticipated diversified Peak demand for the expansion area is 12.5MW. An estimated 96.9% of this demand will be met by three EFW units, and an anticipated 3.1% from the existing gas CHP at Cranbrook Energy Centre. The total CHP heat capacity is approximately 10.4MW. The scheme includes thermal storage plant of a capacity of approximately 900m3 which will be located in the vicinity of the Cranbrook energy centre. This location is identified within the adopted Cranbrook plan. The intention is to secure additional carbon savings through further avoidance of gas CHP.

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