I had a similar goal to the author in monitoring the circuits of our house (we wanted to gauge production - solar panels against consumption - branch circuits to understand areas in need of optimization). After much research, we ended up installing two micrometer units - http://www.micrometer.com/
Chris Clements aka mr. micrometer - has done a great job of putting together a reasonable priced solution for power monitoring.
As a bonus, the micrometer have a straightforward ASCII interface which makes integrating the data a snap. LMK if you want any additional info, I'm very satisfied with ours.
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I had a similar goal to the author in monitoring the circuits of our house (we wanted to gauge production - solar panels against consumption - branch circuits to understand areas in need of optimization). After much research, we ended up installing two micrometer units - http://www.micrometer.com/
Chris Clements aka mr. micrometer - has done a great job of putting together a reasonable priced solution for power monitoring.
As a bonus, the micrometer have a straightforward ASCII interface which makes integrating the data a snap. LMK if you want any additional info, I'm very satisfied with ours.
cheers.
-Ophir