• Design Service
    Free design service A dedicated, fully qualified, in-house design team is at your service completely free of charge. Providing comprehensive lighting designs bringing designs to life for road, urban, tunnel, high-mast, sports and area lighting schemes. We also have a specialised PFI design and support service.
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  • Cost Calculator
    Cost Calculator The pressures on reducing energy, maintenance costs and operating costs will continue to increase so that climate change objectives can be met. Understanding the total cost of an installation over its whole life is becoming increasingly important as budgets become tighter and long term planning is required. The Total Cost of Ownership Tool from WRTL allows you to compare the complete cost of alternate lighting solutions alongside Stela so that you are able to make informed decisions on long term sustainability.
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Cost Savings

Using Stela costs are saved in a number of ways through saving energy and maintenance. The energy consumption of a point for point replacement scheme using Stela can save more than 50%.

With energy costs expected to escalate substantially up to and beyond 2020, Stela saves money from the day it is installed. Comparing maintenance requirements also shows massive reductions in cost typically saving 70% on direct maintenance costs alone.

When you consider the failure rates of conventional technologies, even greater savings can be made by installing Stela as no lamps or control gear components will need to be changed.

Finally, knowing that the cleaning cycle of Stela can be six years, a co-ordinated planned maintenance programme can reduce vehicle mileage by 75% or more leading to massive savings on fuel and CO2 emissions.

Stela product information