The Power of Information
5 Years in a Row
Top rated, 2003-2007
At EWG, our team of scientists, engineers, policy experts, lawyers and computer programmers pores over government data, legal documents, scientific studies and our own laboratory tests to expose threats to your health and the environment, and to find solutions. Our research brings to light unsettling facts that you have a right to know.
Lighten Up in '09: Shopper's Guide to Compact Fluorescent Light Bulbs : How Much Can I Save?
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 | $ 102.71 | $ - |
| halogen energy savers | $ 5 | 2.1 years 3,000 hours | $ 71.90 | $ 30.81 |
| compact fluorescent (CFL) | $ 3 | 5.5 years 8,000 hours | $ 26.70 | $ 76.01 |
| solid state (LED) | $ N/A | 34.2 years 50,000 hours | $ 20.54 | $ 82.17 |
