The system will also be online, using something known as "the collector." The collector is there to encourage people to recycle; Once at the depot the collector will unit will be radioed indicating that you did your job. This system has the added benefit that someone can take your recycling to the facility, while you can still get the credit. You know, to keep your tree alive.
It's a visceral idea, and (natch) still on the drawing board. According to the article, "The EnergyTree will change the perception and view of how power is being used, implementing a complete system looking at device consumption, home consumption and long term sustainability." If you got this far, I think it just did that.