How Much Can I Save?
Reports & Consumer Guides

Shopper's Guide to Compact Fluorescent Light Bulbs : How Much Can I Save?
December 27, 2008
You can save money and help reduce greenhouse gas emissions and mercury discharges with compact fluorescent light (CFL) bulbs. Use our calculator to determine just how much every CFL will put in your pocket, compared to wasteful incandescents and other lighting technologies.
| bulb type | average bulb cost | estimated bulb life | annual energy cost | annual savings |
|---|---|---|---|---|
| incandescent | $ 1 | 1.4 years 2,000 hours | $ 46.78 | $ - |
| halogen energy savers | $ 5 | 2.1 years 3,000 hours | $ 31.19 | $ 15.59 |
| compact fluorescent (CFL) | $ 3 | 5.5 years 8,000 hours | $ 10.91 | $ 35.86 |
| solid state (LED) | $ 100 | 34.2 years 50,000 hours | $ 6.24 | $ 40.54 |
