Plugwise Eliminates Excess Energy Use

California-based kWh Power is tackling phantom energy loss by introducing the Plugwise system in the United States. Developed by Dutch company Plugwise in 2006, this system allows you to monitor, track, and control unnecessary energy use throughout your home or office.

The system consists of “Circles” which are plugged into standard wall outlets to measure load on that outlet, and a “Stick” that wirelessly relays data from the circles to your computer, where Plugwise Source, the monitoring and management software, allows you see and control usage. Data can also be uploaded to the web for remote access via laptops and smartphones.

Plugwise iPhone App

The Plugwise system allows monitoring of energy use from a smartphone.

Plugwise Source gives you control of your energy use in three ways. First, it provides details of energy use at the appliance level. Second, it allows you to schedule background operation of appliances that do not need to be on all the time — similar to the way a programmable thermostat turns down the heating or cooling demand when you are not home. And third, it allows you to combine different circles into groups that can be made to run on different schedules.

Additional products coming soon to the Plugwise system include Sense, which can track room temperature data, and Scan, which is a retrofit solution for occupancy sensor lighting control. And for applications where monitoring and control of a hardwired device is desired, Stealth can be installed to give the same functionality as a Circle. These devices will all feed data to Plugwise Source as well.

Plugwise Portal

The Plugwise portal can track plug load and energy use throughout the home or office

Plugs will be sold soon at major retailers and online at kWh Power for $50 each. The US distributor also sells a Home Start Kit for $99.95 with two Circles, a Stick, and a license for the Plugwise Source software.

Photo credits: kWh Power.


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  • Anonymous

    It would be great if these devices allowed you to set low thresholds where by it would cut power to idling rechargers, power bricks, and other electronics that kept a trickle of power going.

    • Bas

      this is possible, you can set a “standby” killer per circle

      • Anonymous

        Ahh, fantastic. I thought it was just monitoring, I did not realize it included the opportunity for power control.

  • Tilman

    Also very handy for your home office: plug all your perhipherals – like your printer, fax, desk lamp, monitor, speakers, etc into a power strip. Plug the power strip into a Plugwise device, and hook up a Plugwise Scan motion detector so everything turns off when you leave, and turns back on when you walk in! Couldn’t be easier!

  • eJean1981

    The ability to control energy use? This one is a winner.

  • eJean1981

    The ability to control energy use? This one is a winner.

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