Flexible demand in the GB domestic electricity sector in 2030

Article English OPEN
Drysdale, Brian ; Wu, Jianzhong ; Jenkins, Nicholas (2014)
  • Publisher: Elsevier
  • Journal: Applied Energy, volume 139, pages 281-290 (issn: 0306-2619)
  • Related identifiers: doi: 10.1016/j.apenergy.2014.11.013
  • Subject: Energy(all) | Civil and Structural Engineering | TA

In order to meet greenhouse gas emissions targets the Great Britain (GB) future electricity supply will\ud include a higher fraction of non-dispatchable generation, increasing opportunities for demand side management\ud to maintain a supply/demand balance. This paper examines the extent of flexible domestic\ud demand (FDD) in GB, its usefulness in system balancing and appropriate incentives to encourage consumers\ud to participate. FDD, classified as electric space and water heating (ESWH), and cold and wet appliances,\ud amounts to 59 TW h in 2012 (113 TW h total domestic demand) and is calculated to increase to\ud 67 TW h in 2030. Summer and winter daily load profiles for flexible loads show significant seasonal\ud and diurnal variations in the total flexible load and between load categories. Low levels of reflective consumer\ud engagement with electricity consumption and a resistance to automation present barriers to effective\ud access to FDD. A value of £1.97/household/year has been calculated for cold appliance loads used for\ud frequency response in 2030, using 2013 market rates. The introduction of smart meters in GB by 2020\ud will allow access to FDD for system balancing. The low commercial value of individual domestic loads\ud increases the attractiveness of non-financial incentives to fully exploit FDD. It was shown that appliance\ud loads have different characteristics which can contribute to an efficient power system in different ways.\ud � 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://\ud creativecommons.org/licenses/by/3.0/).
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