Saving Money

Consider the Savings Using CFLs Will Bring


Incandescent Bulb

CFL Bulb
Cost of bulb $0.40 $2.40
Lifetime of bulb 8 months 7 years
Cost of energy to operate over lifetime of 1 CFL (based on $0.09/kWh) $54.00 $13.50
Total Cost $54.40 $15.90

The changes you make in your lighting choices will also contribute to a changing planet. You help curb greenhouse gas emissions when you use CFLs. Every CFL can prevent more than 450 pounds of greenhouse gas emissions. Think of the impact South Dakotans can make if each one of us changes just one bulb!


  • Comparing Watts        
  • Bulb Facts
  • CFLs and Mercury

    Some information for this feature was provided by the U.S. Department of Energy, Energy Efficiency and Renewable Energy program and the U.S. Environmental Protection Agency.