• We’re currently investigating an issue related to the forum theme and styling that is impacting page layout and visual formatting. The problem has been identified, and we are actively working on a resolution. There is no impact to user data or functionality, this is strictly a front-end display issue. We’ll post an update once the fix has been deployed. Thanks for your patience while we get this sorted.

how much would leaving a light on 24/7 impact my electric bill?

Page 2 - Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.
Originally posted by: Modelworks
Originally posted by: BrownTown


Also, I love seeing how different electricity prices are in different areas, 15cents/kwh would be laughable here in the south, although its even worse for me because I interned at an electricity generator and they will be like 2.2cents/kwh for a coal plant and then some dude is getting boned for 15cents/kwh somewhere else in the country.

yeah , I only pay about 6cent/kwh.
Its part of an agreement due to the close proximity of the nuclear power plant that generates the power. People didn't like the idea of one being so close , so if you live within range, you get a credit on your bill.

From google earth, it doesn't even look like the typical nuclear plant.

"Brunswick Nuclear Generating Station" lat=33.958225, lon=-78.010139

OH man thats cr@p, I lived like 3 miles away from the Sequoyah nuclear plant growing up and we never got a discount 🙁.
 
Originally posted by: ballmode
that handi light switch OWNS

Yeah, I usually laught at those types of commercials because people will spend half their paycheck for crap to help them be lazier, but that is actually a pretty good idea.
 
Originally posted by: GeekDrew
If you buy a fluorescent bulb, it's not going to use all *that* much electric... I probably wouldn't even notice it on my bill. Do you leave your computer on all the time?

(In short, I probably shouldn't have responded.)

Haha love the last line.
 
Originally posted by: Throckmorton
Originally posted by: RossMAN
Originally posted by: weadjust
First Alert Motion Sensing Light Socket

http://www.amazon.com/First-Al...&qid=1201988176&sr=8-1

Anything similiar which fits CFL's?

Why wouldn't that work for a CFL?

Basically, only devices with mechanical switches will work well with CFLs or flourescents.

That motion sensing socket probably leaks some voltage and is going to severely shorten the life of a CFL. Same thing with a majority of timers, dimmers, and sensors.
 

that's pretty killer. I might get that for one of the other rooms in my apartment 🙂 my living room doesn't actually have *any* lights except lamps plugged into electrical sockets.

if a timer is going to cost $20 to save me $.50/month, though, it doesn't seem especially worth it (esp. since I wouldn't need it during the spring/summer)
 
Surprised no one suggested this yet:

Simply multiply your watts by the number of hours it'll be on for the month. That gives you the number of watt-hours. Divide by 1000 to get the number of kilowatt hours. Multiply by your local cost per kilowatt hour. (Average is around 10 cents)

60 watts, 24 hours per day, 30 days in a month, 10 cents per kilowatt hour = $4.32

Wow... I never really thought about it. No wonder my electric bill is so high! I've just blown it off because I use CFL's in the lights I keep on all the time, but that really adds up!
 
You do realize they bill you per KW/h right?


SO you may want to just figure it out by what wattage bulb you want to light.
 
Mathematics > this thread.

The trouble is of course finding your most economical solution, but it still all boils down to math.
 
(Watts of Bulb/120) * cost of KvH * (hours a day it is on) * (days it is on) = charge
for me it would be
32/120 * .0695 * 24 * 30 = $1.6 a month
 
Originally posted by: TheSiege
(Watts of Bulb/120) * cost of KvH * (hours a day it is on) * (days it is on) = charge
for me it would be
32/120 * .0695 * 24 * 30 = $1.6 a month
Talk about unnecessary calculations. Electricity is sold by the KWH not KVH. And you converted watts to amps, then used the amps to calculate cost based on KVoltH...
 
Originally posted by: DrPizza
Surprised no one suggested this yet:

Simply multiply your watts by the number of hours it'll be on for the month. That gives you the number of watt-hours. Divide by 1000 to get the number of kilowatt hours. Multiply by your local cost per kilowatt hour. (Average is around 10 cents)

60 watts, 24 hours per day, 30 days in a month, 10 cents per kilowatt hour = $4.32

Wow... I never really thought about it. No wonder my electric bill is so high! I've just blown it off because I use CFL's in the lights I keep on all the time, but that really adds up!

Originally posted by: Throckmorton
Buy a 11W CFL. That's only 250W/hr a day, and if you pay 15 cents per kwh, that's 15 cents per 4 days, $1 a month.


I figured he would put two and two together...
 
Originally posted by: Throckmorton
Originally posted by: DrPizza
Surprised no one suggested this yet:

Simply multiply your watts by the number of hours it'll be on for the month. That gives you the number of watt-hours. Divide by 1000 to get the number of kilowatt hours. Multiply by your local cost per kilowatt hour. (Average is around 10 cents)

60 watts, 24 hours per day, 30 days in a month, 10 cents per kilowatt hour = $4.32

Wow... I never really thought about it. No wonder my electric bill is so high! I've just blown it off because I use CFL's in the lights I keep on all the time, but that really adds up!

Originally posted by: Throckmorton
Buy a 11W CFL. That's only 250W/hr a day, and if you pay 15 cents per kwh, that's 15 cents per 4 days, $1 a month.


I figured he would put two and two together...

I had ignored your post;
watts/hour is meaningless. It's watt*hour. But yeah, not quite $1 per month per bulb, times a lot of bulbs that I leave on 24/7.
 
Originally posted by: DrPizza
Originally posted by: Throckmorton
Originally posted by: DrPizza
Surprised no one suggested this yet:

Simply multiply your watts by the number of hours it'll be on for the month. That gives you the number of watt-hours. Divide by 1000 to get the number of kilowatt hours. Multiply by your local cost per kilowatt hour. (Average is around 10 cents)

60 watts, 24 hours per day, 30 days in a month, 10 cents per kilowatt hour = $4.32

Wow... I never really thought about it. No wonder my electric bill is so high! I've just blown it off because I use CFL's in the lights I keep on all the time, but that really adds up!

Originally posted by: Throckmorton
Buy a 11W CFL. That's only 250W/hr a day, and if you pay 15 cents per kwh, that's 15 cents per 4 days, $1 a month.


I figured he would put two and two together...

I had ignored your post;
watts/hour is meaningless. It's watt*hour. But yeah, not quite $1 per month per bulb, times a lot of bulbs that I leave on 24/7.

KWh is the unit they use to charge you. A KWh is 1 watt over 1 hour.
 

Hahahahahahaha I wanna buy one of those to plug it into someone's computer. Then in the middle of their clan match just flip the switch.... Hahahahahaha
 
Back
Top