In BC our upper marginal rate for electricity is .102 per KWH, so I can load that rate into the device and it will tell you not only how much power was used but also how much it cost in a given period of time.

I have found this device very useful.

Tom R

http://www.canreef.com/vbulletin/sho...547#post794547

same thing. free with canuck bucks lol (glad locked into the .07c kwh!)