Cree releasing 100W LED light bulb equivalent

Edit:
I reread the posts, i think you should go for the CFL because the LEDs will drop in price in future. Your saying its already better, so either way your not losing, buy LED now you save money, use CFL now and buy cheaper LED later your saving. (I can’t 100% quantify it because i don’t know what the cost will be in the future)
The second scenario you now agree is a wash so where are we differing, i’m not arguing you will save boatloads of cash, but you will save some money. Ifg you went tfor the 60W which is apparently the most popular brightness then you will save even more. I won’t be doing that, but other people apparently will

I also think LEDs will get cheaper over time do you also want to disagree there too?

Huh? You had it exactly backwards and now you’re backpedaling by changing your position while pretending I changed mine.

You claimed “the lifetime cost would be similar for each” in the first scenario when in fact it favors the LED (for “the lifetime cost”), and “where its only used a few minutes at a time then the economics favour LED” when in fact it favors the CFLs but is wash longer term (20+ years).

Your right, i reread the posts and mixed things up
I still think future LED prices will make long use per start will favour the CFL but i can’t predict future pricing, if you can then chime in.

I still will argue the LED favours CFL for few minutes per use, since your saying the cost difference is within one CFL bulb i will say that means one premature failure and your over optimistic CFL life means your not getting ahead by going CFL.

We purchased six Feit Electric 60 watt equivalent bulbs at Costco for $8.64 each. The are working very well in a bathroom fixture with bell shaped glass shades.

I've been subscribed to his youtube channel for some time now. I love his videos. :)

Ehh…
Hyperboost Driver :stuck_out_tongue:

“Too often we enjoy the comfort of opinion without the discomfort of thought.”
– John F Kennedy

Interesting question which motivated me to put some numbers to it with these facts & assumptions:

1) We’re buying the bulbs today because we don’t know future bulb prices or specifications.

2) We’ll analyze cumulative costs for two scenarios: Scenario #1 where each bulb is used continuously for 3 hours/day and Scenario #2 where they’re used intermittently for 30 minutes/day.

3) Cree 100 watt equivalents cost $21.79 each after taxes, use 18 watts, and will last their rated lifetime of 25,000 hours when used in Scenario #1.

4) GE Energy Smart CFL 100 watt equivalents cost $2.60 each after taxes, use 26 watts, and will last their rated lifetime of 8,000 hours when used in Scenario #1.

5) In Scenario #2, due to the on and off usage, CFLs will only last 1/6th of their rated lifetime (1,333 hrs) and LED bulb lifetime will be equally degraded or less so.

6) Electricity costs are from the U.S. Bureau of Labor Statistics for two cases and assumed to increase by 2% per year: east coast starts at 23.2 cents per kWh and the national average starts at 13.4 cents per kWh.

And I live on the East Coast.
Don’t know anyone paying 23 Cents per Kilo hour.
It may have spiked in Jan. to near those levels somewhere on the East Coast, But I do not have variable rate, so was unaffected.

Regardless, As LED’s come down in price I will upgrade them as needed. I got CFL 60 watt equivalents a couple years ago, 8 for $2.78.
Still have some in stock. Shoulda bought more, same old story.

Later,
Keith

:open_mouth:

I should of bought LESS, same old story. :open_mouth:

What everybody misses is that it is wrong to use that stated 23 year life span in their cost analysis of the LED bulbs. Those bulbs will NOT last 23 years, not necessarily because they burned out, but because there will be improvements made in the bulbs of the future that will render them OBSOLETE. Yesterday I replaced 6 LED bulbs that I had in exterior lamp posts. I bought them less than 1 year ago at COSTCO. I replaced them with the Crees’ that I just got at Home Depot. They emit more light towards the ground and the color is warmer. I will reuse those “older” bulbs someday, but my point is that it is bad economics to prorate the initial cost over 23 years. It will most probably NOT be recovered.

We pay about 9 cents per kwh for the generation electricity. There is another line item charge of about 9 cents per kwh, that is for delivery.

I bet texaspyro will use many of his LED bulbs until they burn out because he really hates having to access some of them.

Im assuming texaspyro has strip lighting?

I want in on this MTG2 madness… not the xpg though.

I have my bulb stick… make changing most of them easy. The problem wass having to pull down a hundred or so bulbs to check their microscopic &*$#^@ date codes for a recall. The ones that I can’t get to are above a stairway and those under the second story eaves.

Frankly I don’t see the costs of LED bulbs coming down spectacularly any time soon… even if the emitters were free, there is a lot of other stuff in the bulbs and that is all mature technology/raw materials and that ain’t goin’ nowhere but up.

Your not going to get 6 years per bulb at 30 mins/day, try one or two years (still optimistic)

The graphs are very nice, i like visuals

I can think of an entire political party that lives by that, someone once said you can hold any opinion you want if you don’t test it too thoroughly.

Why don’t we settle this which-bulb-is-better nonsense once and for all?

Stop using bulbs; use flashlights instead.

(but seriously, a 1xAA Zebralight gives me like a month worth of light per charge, and only costs about five or ten watt-hours to charge… compared to the kilowatt-hour I’d be spending for a month of light from a single bulb… a flashlight easily provides a 99% savings on the electric bill)

Charge it at work. 100% savings.

… but I work at home.





Ooh, I know. Maybe I should go work at a coffee shop whenever I need to charge batteries. I could save, like a whole cent every few months! (and it’d only cost me a buck or two in gas each way, plus a few more for coffee)

Easy solution. Get a bicycle, then you spend nothing on gas. Let me know if you need any other financial advice. I can help you make a small fortune if we start with a large fortune