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Document Number CLNR-L096

Date Posted 26-Feb 2015

Insight Report: Domestic Direct Control Trials


This report covers the work of the two domestic direct control test cells (TCs): 11a Wet White Goods (WWG) and 14. These test cells provide data on customers’ acceptance of and responsiveness to direct control of washing machines and Air-Source Heat Pumps (AHSPs), and the technical performance of the solutions involved.

  • TC11aWWG involved direct control and monitoring of 96 customers’ washing machines. During the trial, data was collected during interruptions which were all called during weekday peak times. Each event lasted for four hours, from 4pm to 8pm.
  • TC 14 involved direct control of eight customers’ ASHPs which were installed alongside a large thermal storage unit to allow interruptions to occur without a loss of heating. During the trial, 14 interruptions were called. Four lasted half an hour and ten lasted an hour.

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