Power Calculator??
- Thread starter jakem
- Start date
- Tagged users None
You can use this and just ignore the item tags like coffee maker and such. Like the first line for a dual 250 watt setup put say 6 or 10 hours per/day and then 500 watts. If you scroll down there is a section to input your specific power co. cost per kwh which you can get off your bill.
Electric Appliance Calculator for Homes (Upper Peninsula Power Company)
according to this it's 13.42/mo at 0.14694 per kWh
Electric Appliance Calculator for Homes (Upper Peninsula Power Company)
according to this it's 13.42/mo at 0.14694 per kWh
That works also. I just try to avoid referring people "over there" :xd:
Hahnmeister
Active Member
Thats 2 * 250 watts for 6 hours? Okay then, thats 500 watts * 6 = 3000 watt hours, or 3 kwh. Multiply this by your cost per kwh on your utility bill, and you have your cost per day. Multiply by days per month for a monthly cost.
Also, it might be a good idea to use a Kill-a-watt meter to get a better idea of the real wattage that your lights are using. Often, they use 250 or 270 watts at the bulb, but the actual wattage they use at the plug (what you get charged for) is something like 275 watts (e-ballast) or 320 watts (HQI) depending on the bulb and ballast used.
There are 'hidden' costs as well, like how much that 500 watts adds to the load of the A/C in summer if it isnt vented to the outside. It takes more watts of A/C power to remove that 500 watts from the house as well (since they are not 100% efficient). So your actual cost per hour if enclosed in your home in summer with an A/C running is going to be over 1000 watts per hour... maybe something like 1200.
Also, it might be a good idea to use a Kill-a-watt meter to get a better idea of the real wattage that your lights are using. Often, they use 250 or 270 watts at the bulb, but the actual wattage they use at the plug (what you get charged for) is something like 275 watts (e-ballast) or 320 watts (HQI) depending on the bulb and ballast used.
There are 'hidden' costs as well, like how much that 500 watts adds to the load of the A/C in summer if it isnt vented to the outside. It takes more watts of A/C power to remove that 500 watts from the house as well (since they are not 100% efficient). So your actual cost per hour if enclosed in your home in summer with an A/C running is going to be over 1000 watts per hour... maybe something like 1200.
