Sweetnam, T; Spataru, C; Barrett, M; Carter, E; (2019) Domestic demand-side response on district heating networks. Building Research and Information , 47 (4) pp. 330-343. 10.1080/09613218.2018.1426314.

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Abstract

This paper presents results from a field study that deployed demand shifting technology on a sample of 28 homes connected to a district heating (DH) network in England over the winter of 2015/2016. The aim was to improve the load factor of the participating households. Improving load factors has the potential to improve the attractiveness of DH and accelerate the roll out of DH networks in the UK. Capital costs are lowered by reducing required boiler capacity and pipework sizes. Operational costs are reduced by increasing the coverage of the primary plant and reducing heat losses and pumping energy. In addition to specific insights for the deployment of demand shifting on DH networks the results provide general lessons for the utilization of building thermal inertia for demand shifting. The interventions tested have increased the load factor of the participating homes from 0.29 to 0.44. Achieving this has led to an increase in energy demand of approximately 3% however estimated network cost savings exceed this increased energy cost. While some participants noted the altered operation of their heating systems and expressed concern, the majority indicated they would be willing to participate in a commercial scheme for a small financial reward.

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