Get some good ideas here!
- "Carbon Penance" a power monitor by Annina Rust that punishes the user
- Jason Winter's Real-Time power monitor
- Mazzini's project pushes data onto Pachube
- Pachube has lots of other projects!
- Furnace monitoring, using a DAQ board and phototransistor
Wanna just buy it?
- Myenergyusage.org (one fellow upgrading his Wattson's software by hand)
- Wattzon.org (social energy information)