Lighting Tables
| Watt vs. Lumen Comparison Table | |||||
| Light Output (lumens) | 450 | 800 | 1100 | 1600 | 2600 |
| Incandescent Bulb(W) | 40 | 60 | 75 | 100 | 150 |
| CF bulb (W) | 9 | 13 | 18 | 23 | 32 |
| Energy Cost (per year) CF vs Incandescent |
$2.62 vs $11.65 | $3.79 vs $17.42 | $5.24 vs $21.84 | $6.70 vs $29.12 | $9.32 vs $43.68 |
| Savings (per year) CF vs Incandescent | $9.03 | $13.63 | $16.60 | $22.42 | $34.36 |
High Efficacy Table
| Lamp Power | Required lamp efficacy |
| <15w | 40lm/W |
| 15-40w | 50lm/W |
| >40w | 60lm/W |
| Note: the wattage of the ballast is not included when determining lamp efficacy | |