I wrote about Google PowerMeter and the Smart Grid concept in April in a blog post with the title Smart meters are a reality . Now I have some screenshots of my consumption from the PowerMeter in my iGoogle page.
And there is the part of take actions:
It is not a smart grid but this is the first step. PowerMeter makes consumers aware of their electricity consumption and offers suggestions on how to lower it. And it is a nice idea of adding the competition element of earning badges if consumption diminish.