Is it just me or do you think electricity cost of 0.45$/kWh is quite big?
It says it here:
https://docs.google.com/spreadsheet/ccc?key=0AjI5bgsiFJAidFBsclpVM0FSdFZNalRGNnVlc0VxSGc&usp=drive_web#gid=1

I myself pay about 0.14-0.16$/kwh in Finland.