Snohomish County Public Utility District No. 1

Skip navigation and go to content

Customer Service (M-F 8a-5:30p): 425-783-1000

Lighting Calculator

Select what represents your scenario:

Cost per incandescent light bulb.dollars
Cost per ENERGY STAR® LED bulb.dollars
Electricity cost/kWh (PUD avg. is 9.9).cents

Your approximate savings, pay-off, and lifespan:

Estimated energy savings per year 241  kilowatt hours

Estimated savings per year $19.39

Estimated ENERGY STAR® pay-off 1  months

Estimated ENERGY STAR® lifespan 1.4  years


Savings are for wattages shown. Your actual savings will vary based on the wattages you purchase. When comparing incandescent or halogen bulbs to ENERGY STAR qualified bulbs or fixtures, compare the light output, or lumens, and not Watts. Watts equal the energy used, not the amount of light.

Calculator provided courtesy of the sponsoring organizations of Northeast Energy Efficiency Partnerships, Inc. (NEEP).

Related Documents

EnergyAdvisor (click to view)

Energy Hotline:

425-783-1700
(M-F, 8am to 5pm)

Submit your conservation question