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Example of How to Calculate your savings:

Number of Streetlights
(use 6 residents per streetlight
if you don’t have an exact figure)
Example is population of 180,000


Energy saved
Number of Streetlights
x 2190 kWh Saved


Cost of Electricity
(kWh x .10)


Annual CO2
Emissions
Reductions


Sample: 180,000 / 6 =
30,000


30,000 x 2190 =
65,700,000 kWh


65,700,000 x .10 = $6,570,000.00


69,450 Tons

Table assumes a 1,000-watt streetlight turned off for 6 hours per night (11:00 pm – 5:00 am)
1 kWh x 6hrs per night x 365 days per year = 2,190 kWh saved per streetlight
Table assumes cost of electricity is $0.10 per kWh


Calculate your savings:
(Calculation assumes 1,000 watt light)

 Enter the Number of Streetlights (no commas, please)
 Enter the Cost per kWh for Electricity  (Amount only - Do not include '$' sign) 



Savings will Appear Below
Energy Saved =    kWh
Dollars Saved = $
Reduction in CO2 =    TONS PER YEAR