that bear smokey
Well-Known Member
ok I wanna buy a 250 watt hps or a 400 watt hps. so I was curious if someone could help me see how much more a month would my electric bill would rise? I live in california and its like 0.12 kw here.
its not working for me.
ok thank you. I am growing 2 plants. I am trying my 1st 12/12 grow.If you run the 250 watt, 24 hours a day, the cost per month would be...
Cost per kW: 0.12
1 kW = 250w x 4 (hours)
24 hours in a day / kW = 6 kW per day usage.
Cost would be 0.12 x 6 per day = 0.72 per day
That is $5.02 a week.
That is $20.08 per month.
Thats peak, will be less if you're 12/12 or 18/6 etc.
The 400w, rather than do a seperate sum, 400w is around 38% more powerful than the 250w. Thus:
Per week is $5.02 * 1.38 = $6.93
Per month is about $27.00
ok thank you for the help.Works just fine for me. It gives me formula at the bottom anyway, Rick gave you your answer though.
thank you for the help.A different answer than that calculator used ... but they were close enough. pmsl
I hope so. I have been growing with CFLs and I just wanna move up the food chain. I have 2 female plants. I have purple wreck and fruity juice. I just planted in soil 2 days ago and waiting for them to sprout above the soil. I will be vegging under floros and I wanna flower using a hps that I will be buying.It will be money well spent. Good luck man.