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Sense home energy monitoring


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Has anyone seen the Sense home energy monitor?  I stumbled across it today while looking up some other stuff on the internet.




I am quite curious about this product and the claims it is making.  By placing a set of current probes on the primary conductor lines that bring power into your home this device is supposed to be able to recognize when devices turn ON/OFF.  It claims to be able to sense common household appliances like washers, dryers and refrigerators.  Here is the full description from the web site.


Every electrical device has a unique electronic signature — its own voice. There is a noisy conversation happening inside your home as every device that’s turned on is talking. All of them. All at once.

The Sense home energy monitor listens to those voices through current sensors on the main breakers in your electric panel. It records them millions of times per second. We then apply multidomain device signature detection algorithms to distinguish one appliance from another — to recognize each individual voice.


Right now this product is in the early launch stage.  It looks like it is pushing data to a cloud and then an iOS app pulls the data down for you to view.  It's not inexpensive at the current price of $199.


I am really curious what it is able to do and what it can tell me (especially about the energy use of my major appliances).  I would definitely like something that can tell my wife how much it costs to run the dryer an extra 20 minutes just to fluff the clothes that were left in over night and got wrinkled.


So...I decided to place an order for one.  It says it may be June before I get this unit but once it arrives I will report back on how it works.

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Technology behind this is pretty simple. However, it will be interesting to see/read about how it can determine the difference between like devices. For instance light bulbs that are the same wattage, type, etc. 

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  • 6 months later...

I got the Sense energy monitor hardware last week and installed it on Friday evening.  It takes a while to "learn" your home and there is no way to speed it up.  Essentially it is trying to look for patterns in the current measurements on the main in the home.  240V devices are easier to detect since they are drawing current from both 120V circuits.  240V devices also tend to draw large amounts of current when they run too.


There is no way for the system to identify a single 100W light bulb in my living room from one in my office.  Banks of lights that are turned on / off as a set will appear as one device to the system.  I even checked and if you use a dimmer on your light switch it will be harder for the system to recognize those lights as a device because the dimmer changes the characteristics that the system is trying to track.


To early to draw any conclusions.  The one thing i like is I can see the daily energy usage in my home and I can see an instantaneous usage like when the dryer is running, the AC is on and the kids have turned on every light in the house.


Downside.  At this time everything is in their APP with no way to store any data offline.

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  • 3 weeks later...

I may have to get one of these if it can work without an app as I am sure they wouldn't have one for windows phone.

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  • 4 weeks later...

Does anyone have sense solar?   Just installed mine and am not convinced the solar side is working as advertised but have nothing to compare it to.


(first time poster....first time visiter : ) 

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