Quote Originally Posted by Dutch Pimp
sounds about right...:thumbsup:

I checked mine: 462 kw hours divided by $47.19 = $0.10 kw
Quote Originally Posted by EvilCartman
I think you're right in the ballpark! When I added my 400, the bill bumped about $25/mo.

You are being very generous with the amount allowed for the ballast, my 400 HPS only pulls a total of 410 watts. It would need to be among the worlds worst ballasts to consume an extra 50!
I appreciate the feedback my friends....I was just paranoid on to HOW much extra it would cost a month. Was expecting a lot more before I did the math. I need to keep that conversion chart for later references!

must spread some reputation around before giving it to Dutch and EvilC again!