See: IP Camera Power Consumption Guide. In our testing, power consumption almost always comes in below spec, so it has not been a big issue to point out (i.e., it would be different if vendors routinely listed consumption at 3.5w and our tests showed 8w, but it's more typically the reverse). Because of that, it is not something we plan to include on a test to test basis.
As for traffic graphing, outside of the chart being pretty, what do you want us to do different from our current approach, an example of which is shown below: