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Home energy monitor

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The Energy Detective

A home energy monitor provides prompt, convenient feedback on electrical or other energy use. Devices may also display cost of energy used, and estimates of greenhouse gas emissions. Various studies have shown a reduction in home energy use of 4-15% through use of home energy display.[1] Electricity use may be measured with an inductive clamp placed around the electric main, via the electric meter (either through an optical port, or by sensing the meters actions), by communicating with a smart meter, or by direct connection to the electrical system. The display portion is remote from the measurement, communicating with the sensor using a cable, power line communications, or using radio. Online displays are also available which allow the user to display near real-time consumption on any device that can connect to the Internet.

A possible means to reduce household energy consumption is to provide real-time feedback to homeowners so they can change their energy using behavior. Recently, low-cost energy feedback displays, such as the WiSmart, PowerCost Monitor[1], Cent-a-meter, The Energy Detective, Eco-eye[2], Envi[3], Flukso[4], PowerWatch[5], Silk[6], Wattson[7], ECM-1240[8] or The Onzo Smart Energy Kit[9] have become available. In 2010, UK based Current Cost announced a partnership with Google PowerMeter, a free online tool that connects to Current Cost devices, enabling users to receive real-time energy information on their customised Google homepage, wherever they are. Real-time data on how much energy is being consumed in the home is sent directly to the Google PowerMeter. The free software tool then visualises the information for users to view on their own iGoogle homepage, a personal web portal which enables individuals to create and access a wide range of customisable information, web feeds and Google Gadgets.

A study using the PowerCost Monitor deployed in 500 Ontario homes by Hydro One showed an average 6.5% drop in total electricity use when compared with a similarly sized control group. Hydro One subsequently offered free power monitors to 30,000 customers based on the success of the pilot.[2] Blue Line Innovations also indicates 100,000 units in the market today.

See also

References

  1. ^ Jan Borstein, Karen Blackmore (March, 2008). In-Home Display Units: An Evolving Market, Part 1 (Report). {{cite report}}: Check date values in: |date= (help)
  2. ^ http://www.energetics.com/madri/pdfs/ChartwellHydroOneMonitoringProgram.pdf

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