Bout how much can i expect my electric bill to jump up i am running a 400 watt hps 18/6? do you think it would make a big difference

Less than $20.00 a month
Peace

Thanks that is a blessing to hear, I was thinking it would jump up atleast a hundred more dollars

Also you can help make up for that, if you have incandescents in your house, replace them with very cheap cfls, and they will save you a lot of money, normally a 27 watt cfl outputs about the same amount of light as a 150 watt incandescent.

I'm in New England as well...my 400 watt HPS + (2) 42 watt CFL's boosted my bill by about 70 bucks a month....apparently your mileage can vary.

Depends on your electric company, there rates and associated taxes and fees.
Peace

(Edit) The more I think about your post, something has got to be wrong here dude. $70.00 for one hps and a couple of cfl's? No way. There's more to this equation that just those lights you mentioned.

There is so much you can do to lower your electric bill or offset it.

Wash laundry in cold water only

Lower thermostat on water heater to 120 degrees

Put timer (called gray box) on water heater huge $$$ saver

Line dry laundry

Use motion sensors outside instead of lights that stay on all the time

also a big saver in my place was to switch to CFLs for lighting my place and put all stereo stuff and tv on a plug board with on/off switch. also leaving the pc and tv not running 24/7 and only having lights switch on if i need them is a big saver on my bill

and laundry can be washed nowadays at 85-95F and still get clean as mogie pointed out

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The one thing i didn't mention was my vortex fan which is another ~ 80 watts. Add it all up...for a 30 day month thats an additional 304 kW hour...19.1 cent per....thats ~60 bucks. How much are you guys paying per kW hour?

mine is 8 cents man are you getting screwed not even NY City is that high do google on it

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