Minimizing intrusiveness in home energy measurement

  • Authors:
  • David Lachut;Simon Piel;Lazeeb Choudhury;Yucheng Xiong;Sami Rollins;Kevin Moran;Nilanjan Banerjee

  • Affiliations:
  • University of Maryland;University of San Francisco;University of San Francisco;University of San Francisco;University of San Francisco;University of San Francisco;University of Maryland

  • Venue:
  • BuildSys '12 Proceedings of the Fourth ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings
  • Year:
  • 2012

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Abstract

The expanding deployment of renewable energy sources as well as the widespread deployment of smart meters enables and encourages demand management in homes. Like smart meters, most solar or other renewable deployments allow homeowners to carefully monitor energy supply and past energy consumption, however, using this information to drive demand management is still a manual process. The overarching goal of our work is to automate the process of adapting energy demand to meet supply, which requires a comprehensive understanding of home energy use. Though home energy measurement systems exist, they are often intrusive---requiring several physical components and using often limited resources including energy and bandwidth. In this work, we present the design of a system for comprehensive home energy measurement and analyze the resource requirements of the basic system. Using data collected from six deployments, including one in an off-grid home, we then present two techniques for reducing the resource requirements of the system. Our techniques reduce the energy footprint of the system as well as the amount of physical infrastructure required, making adoption of the system more attractive, particularly to those who live in homes powered by renewable energy sources.