February 21, 2020 04:21 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 Can I really make a difference by changing my lights? What is the wage gap? What if a CFL bulb breaks? Are they dangerous? I heard they have mercury inside. I live several hours away from Indianapolis. Is it possible to have hearings in other places? Can I attend hearings by telephone? Don't CFL bulbs cost a lot more than incandescent bulbs?