watts
hours
$per kWh

Estimate the cost savings and payback period for an upgrade to LED or CFL lamps (optional)

Replacement Lamp Details:
watts
$

Lighting Energy Cost Estimate:

Electricity Costs per Month

Before Replacing Lamps:
$2.02
After Replacing Lamps:
$0.29
Savings:
$1.73

Payback Timeline

Total Replacement Cost:
$5.00
Payoff Period:
3 months

Electrical Usage per Month

Before Replacing Lamps:
14.4 kWh
After Replacing Lamps:
2.04 kWh
Savings:
12.36 kWh