Making brighter cities

Smart street lighting CO2 calculator

Did you know that street lighting is the largest contributor to a city’s electricity bills?

Find out what smart street lighting can do for your energy bills and carbon emissions. Please enter the appropriate information for your area and click ‘calculate’. The pre-populated fields show typical figures that you can use as a guide.

Select your currency:

£ $

Step 1
Number of streetlights:
(Typically 1 for every 10 people in your population)


Step 2
Choose your adaptive lighting approach:

Lower lighting levels at midnight to optimise switch on times
Basic + constant light output
Better + traffic adaptive lighting

Step 3
Average Electricity Cost (£ / kWhr):


Step 4
Average Maintenance Visit Cost:


Step 5
Cost to upgrade LED and controller:

Step 6 your results
Total yearly savings:
Total Yearly CO2 Savings:
Total Savings over 20 years (inc. capital cost):
Total CO2 Savings over 20 years:
This is equivalent to taking this many cars off the road:

Step 7
Arrange a chat:
The benefits outlined here depend on many variables so let’s chat and make it specific to your community.