how much does a 432watt light cost per month on energy bill?

texastiger707

Active Member
Just curious if anyone had a link that they use to figure out how much more a month there light adds to there pg&e bill? I plan on using a 432watt T5 light for veg. So 18 hours on. 432watts. my kwh price is 0.13230 here in california. Thank you for the help.
 

FilthyFletch

Mr I Can Do That For Half
your looking somewhere between $30-$45 a month. I dont have your company but thats about what a 400 watt light will run on average
 

Dr.J20

Well-Known Member
so, do the math?
you have 432W, you pay .13230/kWh. for veg, 18 hrs * .432kW = 7.776kWh/day (in veg). 7.776kWh * .13230/kWh = $1.028
you will spend 1.028/day during veg. if you veg for 4 weeks that would be around 29.00
would you like to try it for your flower cycle?
 

texastiger707

Active Member
so, do the math?
you have 432W, you pay .13230/kWh. for veg, 18 hrs * .432kW = 7.776kWh/day (in veg). 7.776kWh * .13230/kWh = $1.028
you will spend 1.028/day during veg. if you veg for 4 weeks that would be around 29.00
would you like to try it for your flower cycle?
hello wow thank you for your reply. Sure lets see flowering.
 

Dr.J20

Well-Known Member
looks like about 43.20 for a 9 week flower...mind you, this is only your light. any pumps, fans etc. will add to it but remember 1W=.001kW
 

texastiger707

Active Member
looks like about 43.20 for a 9 week flower...mind you, this is only your light. any pumps, fans etc. will add to it but remember 1W=.001kW
its was 29.00 a month for veg at 18hrs a day. so flower is 12hrs a day. How would it be more a month? or is the 43.20 the total for 9 weeks?
 

Dr.J20

Well-Known Member
its was 29.00 a month for veg at 18hrs a day. so flower is 12hrs a day. How would it be more a month? or is the 43.20 the total for 9 weeks?
not sure what you're asking here...an extra month of veg would be another 29.00; the 43.20 figure is just for flower. the total grow (with 1month veg and 9weeks flower) is 29 + 43 = 72.20 for your lights
 

texastiger707

Active Member
not sure what you're asking here...an extra month of veg would be another 29.00; the 43.20 figure is just for flower. the total grow (with 1month veg and 9weeks flower) is 29 + 43 = 72.20 for your lights
ok got it. Thank you again for your reply.
 
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