Hydro Cost's

[mecka]

OK i just received my bill for the last 2 mos $321.00 and the the bill before that was $385.00 .Is this normal?it seem s to me that the bills use to be around 150.00 so it has doubled.What are your Guys bills running at.
here is a list of thinks running


3 250w Mh on tar ballast's (9hrs a day)
2 165w vho's (5 hrs a day)
1 cs8-1 Skimmer
1 powerhead
1 250w heater
1 mag 18 for closed loop
1 mag 12 for return pump
2 icecap 4" fans (9 hrs a day)