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Basic Energy Calculator

Calculate energy savings by relamping your lighting system.
Also calculate the return on investment of the new system.

Fill in all the fields and click "calculate".
Your results will display below.

* Required
* Quantity of fixtures:
* Average operating hours per year:
* Cost per kilowatt hour: $
* Watts (per fixture) used in existing system:
* Watts (per fixture) used in new system:
*Cost to upgrade each fixture: $
Calculate


Results
Energy Savings (with proposed system)

Cost of Electricity:
Current system:  /yr.
Proposed system:  /yr.
Each fixture:  /yr.
Total:  /yr.
* This cost should include the lamp, ballast, and labor required to replace the fixture. You may want to subtract any costs that would have been incurred with the current system.