Green Fundraising a service of Fischer-Ridge
Energy Savings Calculator

Energy efficient lighting isn’t just a bullet point in a mission statement, it's a lifestyle that makes your life and the world around you better.

Click through the boxes below and see what a difference we make.

Life Cycle Cost Estimate for
ENERGY STAR Qualified Compact Fluorescent Lamps
This is provided for estimating purposes only.
Actual energy savings may vary based on use and other factors.
Enter your own values in the boxes or use our default values.
Number of units:  
Electricity Rate ($/kWh):  
Hours used per day:  
 
ENERGY STAR
Qualified Unit
 
Conventional Unit
Initial cost per unit
(estimated retail price):
Wattage (watts): *
Lifetime (hours):
*ENERGY STAR wattage is calculated based on the wattage selected for the incandescent unit, user can enter an alternative value if desired.
Annual and Life Cycle Costs and Savings
 
ENERGY STAR Qualified Units
Conventional Units
Savings with ENERGY STAR
Annual Operating Costs*      
   Energy cost
     Energy consumption (kWh)
   Maintenance cost
Total
Life Cycle Costs*      
   Operating cost (energy and maintenance)
     Energy costs (lifetime)
     Energy consumption (kWh)
     Maintenance costs (lifetime)
   Purchase price
Total
Simple payback of initial additional cost (years)**:
* Annual costs exclude the initial purchase price. All costs, except initial cost, are discounted over the products' lifetime using a real discount rate of 4%. See "Assumptions" to change factors including the discount rate.
** A simple payback period of zero years means that the payback is immediate.
Summary of Benefits
Initial cost difference
Life cycle savings
Net life cycle savings (life cycle savings - additional cost)
Simple payback of additional cost (years)
Life cycle energy saved (kWh)
Life cycle air pollution reduction (lbs of CO2)
Air pollution reduction equivalence (number of cars removed from the road for a year)
Air pollution reduction equivalence (acres of forest)
Savings as a percent of retail price