mobal's WunderBlog

CFL Bulbs math

Posted by: mobal, 12:52 AM GMT en Marzo 22, 2011

I was using 4 x 60 watts bulbs on my porch and decicided to do the math....11 hours per day....

To replace with 4 x 7 watt cfl's (each = to 40 watt light output, sufficant) I will save $67.20 per year at .08 per KwH. Done deal!

Permalink | A A A

Top of Page

Reader Comments

Display: 0, 50, 100, 200

Sort: Newest First - Order Posted

Viewing: 1 - 15

Page: 1 — Blog Index

1. TheoJesse 1:27 AM GMT en Marzo 22, 2011
Mobal, I pay about 12.5 cents per kwh. How do you get by so cheap? Jesse Member Since: Septiembre 27, 2008 Posts: 0 Comments: 300

2. code1 1:59 AM GMT en Marzo 22, 2011
I'm math illiterate. You and the Ms. will need to come over, and tell me of my losses mobal. Good to see yas! Member Since: Septiembre 18, 2005 Posts: 66 Comments: 13872

3. mobal 11:40 AM GMT en Marzo 22, 2011
Quoting TheoJesse: Mobal, I pay about 12.5 cents per kwh. How do you get by so cheap? Jesse I probably need to look at my bill. I went to a dated map of state averages to get $.08 KwH. Hey code! Time to go to OOH! Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

4. Skyepony (Mod) 1:19 PM GMT en Marzo 22, 2011
My bill last month was $87.. By keeping it under 1000kWh (used 906kWh..down from 1277 last year, same month) I get the lower rate for the whole bill~ $0.09kWh instead of $0.11. I think I'm getting a solar attic fan next. Member Since: Agosto 10, 2005 Posts: 144 Comments: 29234

5. mobal 3:52 PM GMT en Marzo 22, 2011
Quoting Skyepony: My bill last month was $87.. By keeping it under 1000kWh (used 906kWh..down from 1277 last year, same month) I get the lower rate for the whole bill~ $0.09kWh instead of $0.11. I think I'm getting a solar attic fan next. I was looking at those this weekend. I think the manufacturer was Broan. Not sure how it would work as my fans/vents are on the north side of my house. Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

6. seflagamma 5:21 PM GMT en Marzo 22, 2011
Hi Mobal, I tried those new spiral tube light bulbs. for the front porch and other places for low light needs they work.. but I just cannot put them in a lamp that I am trying to "read" from.. just does not put out enough light for me. I bought up a few 100W and 75W blubs to use for reading... Our last electrical bill was $138, the lowest it has been in years!!! we usually get it a little low in Jan or Feb because normally the weather is mild and can turn off AC but last year we used the heater a lot and we used it alot in Dec and Jan this past winter.. but February was perfect.. warm enough not to need heater often and cool enough not to need a/c! but in the summer months.. a different story! Member Since: Agosto 29, 2005 Posts: 285 Comments: 40479

7. mobal 1:18 AM GMT en Marzo 25, 2011
Quoting seflagamma: Hi Mobal, I tried those new spiral tube light bulbs. for the front porch and other places for low light needs they work.. but I just cannot put them in a lamp that I am trying to "read" from.. just does not put out enough light for me. I bought up a few 100W and 75W blubs to use for reading... Our last electrical bill was $138, the lowest it has been in years!!! we usually get it a little low in Jan or Feb because normally the weather is mild and can turn off AC but last year we used the heater a lot and we used it alot in Dec and Jan this past winter.. but February was perfect.. warm enough not to need heater often and cool enough not to need a/c! but in the summer months.. a different story! Hi Gamma, Try 5200K (Daylight) bulbs. Makes a difference for reading. Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

8. auburn (Mod) 1:22 AM GMT en Marzo 25, 2011
Hey Mobal...we use the in everything ...even have one in a night light...LOL Member Since: Agosto 27, 2006 Posts: 538 Comments: 46628

9. mobal 1:23 AM GMT en Marzo 25, 2011
Quoting TheoJesse: Mobal, I pay about 12.5 cents per kwh. How do you get by so cheap? Jesse Jesse, I called AL. Power today. There are different rates for time of year, usage etc., but 0.08 is about average. Remember though that there is a 14.50 fee from them regardless of use plus tax..... Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

10. mobal 1:24 AM GMT en Marzo 25, 2011
Quoting auburn: Hey Mobal...we use the in everything ...even have one in a night light...LOL That must be a BIG night light!!!! Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

11. TheoJesse 2:02 AM GMT en Marzo 25, 2011
Mobal, I divide the total price by kwh used. This gives me actual kwh cost, which includes all other charges. It gives me a better idea about cost changes when I change something, such as adding more insulation. Jesse Member Since: Septiembre 27, 2008 Posts: 0 Comments: 300

12. Beachfoxx 2:22 AM GMT en Marzo 25, 2011
Is that the new bulb that they are now worried about the disposal? They contain Mercury?? I bought one, I think, to use in my office --- could not see, not enough light. : ( But if there is a problem with Mercury & disposal are we going in the right direction? Someone smarter than I will have to answer that question... : ) Member Since: Julio 10, 2005 Posts: 153 Comments: 29283

13. mobal 10:26 PM GMT en Marzo 25, 2011
Quoting TheoJesse: Mobal, I divide the total price by kwh used. This gives me actual kwh cost, which includes all other charges. It gives me a better idea about cost changes when I change something, such as adding more insulation. Jesse No Jesse, using all other cost are fixed cost. Well maybe not tax. But you must take the fixed (14.50 in my case) off to get actual savings. If not your numbers will be skewed with factors you can not alter. The rate you pay AP plus non fixed tax is your rate per kwh. either way it really dosnt matter for this example (bulbs on porch), they save money. Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

14. mobal 10:36 PM GMT en Marzo 25, 2011
Quoting Beachfoxx: Is that the new bulb that they are now worried about the disposal? They contain Mercury?? I bought one, I think, to use in my office --- could not see, not enough light. : ( But if there is a problem with Mercury & disposal are we going in the right direction? Someone smarter than I will have to answer that question... : ) Yes, CFL's do contain trace amounts of mercury. I will dispose of mine the same way I would mercury tainted fish bones, garbage can. Next thing we know they will be outlawed The most efficient and environmentally friendly bulb is LED. But they are way too expensive right now.Though I am making one! But its DC voltage....I Love Flounder and will use for a Flounder lamp..... Member Since: Agosto 3, 2005 Posts: 479 Comments: 5309

15. seflagamma 3:33 PM GMT en Marzo 26, 2011
Good morning Mobal, Member Since: Agosto 29, 2005 Posts: 285 Comments: 40479

Viewing: 1 - 15

Page: 1 — Blog Index

Top of Page

New Comment

Community Standards Policy Comments will take a few seconds to appear.

Post Your Comments

Please sign in to post comments.

or Join

Not only will you be able to leave comments on this blog, but you'll also have the ability to upload and share your photos in our Wunder Photos section.

About mobal

Tropical Blogs

Tropical Weather Stickers®

Contact This Author

Local Weather

Mobile, Alabama

73 ° F

Muy nublado

Detailed Conditions & Forecast

Recent Photos

mobal's Wunder Photos

Previous Entries for 2013

Ashley Estates Mobile, AL
Elevation:	114 ft
Temperatura:	-
Punto de rocío:	-
Humedad:	255%
Viento:	- from the Norte
Ráfagas de viento:	0.0 mph
Updated: 7:30 PM CDT en Mayo 01, 2013 Station History