How to know electricity usage

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washiwango

Member
Hello we have one question with a light it says on it actual power:250w and im trying to know how much electricity does it use. is that relevant information for that can someone help :D light name is CREE COB 1000w so it does confuse me. is there any better way how to know that info without reach ing out to manifacturer. big thank u in advance
 
Doug Dawson

Doug Dawson

Well-Known Member
washiwango said:
Hello we have one question with a light it says on it actual power:250w and im trying to know how much electricity does it use. is that relevant information for that can someone help :D light name is CREE COB 1000w so it does confuse me. is there any better way how to know that info without reach ing out to manifacturer. big thank u in advance
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Its 250 watts, the 1000watt crap is just marketing. If you take max load of every diode and add them up it will come to 1000 watts but if it has a 250 watt draw it will only drive the diodes at 25%.
 
W

washiwango

Member
SheeshM said:
If actual power is 250w, use 250w in this calculator. You need to know the cost per kWw in your area.

Electricity Cost Calculator for Growing Cannabis | Grow Weed Easy

For those looking to get an idea on how much electricity will cost for your indoor grow, check out this handy calculator! For a more complete explanation on the electricity costs of growing… What’s the Cost of Electricity to Grow Marijuana?
www.growweedeasy.com www.growweedeasy.com
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yes i know about kww cost
yes good calculator bro i will use
 
W

washiwango

Member
Doug Dawson said:
Its 250 watts, the 1000watt crap is just marketing. If you take max load of every diode and add them up it will come to 1000 watts but if it has a 250 watt draw it will only drive the diodes at 25%.
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its 250w? ok big thank u
its not understandable for People who not know we read name 1000w for info and its actually even 250 but nice explain
 
Doug Dawson

Doug Dawson

Well-Known Member
washiwango said:
its 250w? ok big thank u
its not understandable for People who not know we read name 1000w for info and its actually even 250 but nice explain
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No worries. I looked into it once upon a time as it pisses me off. I hate companies who deceive people into buying their products, it's shameful. To get the running cost just think of it this way. You get billed in Killowatt hours. A Killowatt is 1000 watts so every 4 yours the light is on you will use 1 KW of electricity. Happy growing.
 
Star Dog

Star Dog

Well-Known Member
Say your light pulls 250w from the wall

18hrs x 250w = 4500w divide by 1000 = 4.5kw x $ per unit
Minus 1/3 for flowering.
 
PadawanWarrior

PadawanWarrior

Well-Known Member
HydroKid239 said:
I ordered this on Amazon, and it tell you the watts pulled, the electricity cost to run it.
How many amps are running, and a couple other things.
I had my TS1000 plugged into it when I took this.
View attachment 4789727
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Nice. I have this one. It was half the cost awhile ago. More people are growing so everything is more expensive now. At least HLG and shit hasn't raised their prices. Amazon has gotten scandalous.

 
Doug Dawson

Doug Dawson

Well-Known Member
PadawanWarrior said:
Nice. I have this one. It was half the cost awhile ago. More people are growing so everything is more expensive now. At least HLG and shit hasn't raised their prices. Amazon has gotten scandalous.

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Kill a watt is a much better known brand but here in Canada that one costs $72.53 but the Kuman was only $21.99. They really did jack up the prices on grow stuff.
 
Star Dog

Star Dog

Well-Known Member
They're really handy meters for getting your led % just right, I also used one to find 4/8/12w intervals for my variac taps.
They also tell you how many kw you have used over the grow and the total cost as well as voltage, ampage, watts, max power draw.
 
Star Dog

Star Dog

Well-Known Member
Beehive said:
D


I'm an LED grower. So I can honestly say. I don't know.


Tell me. How much does a 600 watt if it could watt?
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660w it's the bulb that is 600w the ballast requires 10% to make the 600w, point being yes it helps knowing if you're budget for electric is limited, I expected a 600w would use 600w... Fwiw led uses what it says 240w is 240w.
 
quirk

quirk

Well-Known Member
I use the Kill a Watt to check actual draw on all equipment in grow room to stay 20% under breaker capacity. I learned the hard way
operating a new rosin press in the grow room with lights, fans, humidifier etc. running.
 
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