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Energy Cost & Saving Analysis
|
| Light Source |
Mercury Vapor (400W) |
HP Sodium (400W) |
Extreme® G (150W) |
LED (250W) |
| Efficiency (lm/W) |
55 |
89 ~ 120 |
103 |
90 |
| Efficiency (System) (lm/W) |
18 ~ 35 |
40 ~ 60 |
81.2 |
30 ~ 50 |
| Color Rendering (Ra) |
40 ~ 50 |
20 ~ 30 |
86 / 96 |
80 |
| Color Temp. (K) |
4000 |
2600 |
3000 / 4200 |
4200 |
| Light Source Lifespan (hr) |
15,000 |
15,000 |
15,000 |
50,000 |
| Input Power (W) |
430 |
480 |
164 |
260 |
Annual Electricity (kWh)
(12hrs/day*365days) |
1,883.4 |
2,102.4 |
718.3 |
1,138.8 |
| Annual Electricity Bill (USD) |
$113.67 |
$149.27 |
$50.99 |
$80.85 |
| Annual Electricity Bill Saved (USD) |
- |
- |
$98.28 |
$68.42 |
| Annual CO2 Emission (Kg) |
1167.71 |
1303.49 |
445.35 |
706.06 |
| Annual CO2 Emission Decreased (Kg) |
- |
- |
858.14 |
597.43 |
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