If you replace five regular 60-watt light bulbs with 13-watt ENERGY STAR® qualified light bulbs you can save more than 1,400 kilowatt-hours over the lifetime of the bulbs. That’s enough energy to:
| How Much Light Do I Need? | ||
| Minimum BrightnessLumens | Incandescent BulbWatts | CFLWatts |
| 250 | 25 | 4 - 9 |
| 450 | 40 | 9 - 13 |
| 800 | 60 | 13 - 15 |
| 1,100 | 75 | 18 - 25 |
| 1,600 | 100 | 23 - 30 |
| 2,000 | 125 | 32 - 40 |
| 2,600 | 150 | 40 - 45 |
| Note how CFLs use 75% fewer Watts than standard bulbs -- for the same level of brightness. | ||