Automated Demand Response From Home Energy Management System Under Dynamic Pricing and Power and Comfort Constraints

S Althaher, Pierluigi Mancarella, J Mutale

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    This paper presents a comprehensive and general optimization-based home energy management controller, incorporating several classes of domestic appliances including deferrable, curtailable, thermal, and critical ones. The operations of the appliances are controlled in response to dynamic price signals to reduce the consumer’s electricity bill whilst minimizing the daily volume of curtailed energy and therefore considering the user’s comfort level. To avoid shifting most portion of consumer demand towards the least price intervals, which could create network issues due to loss of diversity, higher prices are applied when the consumer’s demand goes beyond a power threshold level. The arising mixed integer nonlinear optimization problem is solved in an iterative manner rolling throughout the day to follow the changes in the anticipated price signals and the variations in the controller inputs while information is updated. The results from different realistic case studies show the effectiveness of the proposed controller to minimize the household’s daily electricity bill while preserving comfort level as well as preventing creation of new least-price peaks.
    Original languageEnglish
    Pages (from-to)1874-1883
    Number of pages10
    JournalIEEE Transactions on Smart Grid
    Issue number4
    Publication statusPublished - Jul 2015


    • Automated demand response, Dynamic pricing, Home energy management systems, Optimization-based controller, Building energy management, Demand Response, Smart Buildings, Smart Houses, Demand Side Response, MPC.


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