Mike Hyde's Special Projects |
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I liked the idea, and wanted to make one for our Annual Meeting. One thing that concerned me about the Touchstone Energy Display, was that all the bulbs had to be removed to transport it. I wanted something more "pick-up-and-go." Here is what I came up with:
Here are the bulbs I selected. I tried to stay right around the 800 Lumens range. These figures are based on 3 hours/day, 365 days per year, at a rate of $ 0.12/kWh.
Type | Manufacturer | Model | Watt Equivalency | Watts | Lumens | Average Life | Cost | kWh/Year | Annual Operating Cost |
---|---|---|---|---|---|---|---|---|---|
Incandescent | Utiltech | N/A | 60 | 60 | 775 | 1,000 | $.32 | 60 | $ 7.20 |
CFL | Utiltech | LBP16AM2/35K | 60 | 15 | 800 | 8,000 | $ 5.47 | 15 | $ 1.80 |
CFL | Sylvania | CF24EL/Twist/Dim | 100 | 24 | 1200 | 8,000 | $ 18.30 | 24 | $ 2.88 |
LED | GE | LED9A19/830/TP | 60 | 9 | 830 | 25,000 22.8 Years | $ 31.50 | 9 | $ 1.08 |
LED | Sylvania | LED12A19/Dim/f/927 | 60 | 12 | 810 | 50,000 45 Years | $ 21.99 | 12 | $ 1.44 |
LED | Sylvania | LED8A19/Dim/f/830 | 60 | 8 | 830 | 35,000 31 Years | $ 32.29 | 8 | $ .96 |
LED | Utilitech | UT60w/omni/a19/3k/led | 60 | 12 | 800 | 25,000 22.8 Years | $ 14.98 | 12 | $ 1.44 |