January 02, 2018 04:42 Updated Follow A CFL uses 1/3 the power of a traditional incandescent light of comparable light value. A CFL bulb that gives off the same light as a 60-watt incandescent uses only 13 watts. Related articles Don't CFL bulbs cost a lot more than incandescent bulbs? Can I really make a difference by changing my lights? What if a CFL bulb breaks? Are they dangerous? I heard they have mercury inside. Does Indiana law require me to carry my handgun on my person in a concealed or exposed manner? What criteria must I meet to qualify for your (IHCDA) programs?