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Wireless mesh controls augur huge savings, slash light pollution at Dutch chemical plant
Aug 05, 2017

A sprawling chemical processing site in southern Holland has tapped wireless mesh controls to assure that new outdoor LED lighting turns on, off, up, and down when and where necessary in a lighting-as-a-service (LaaS) scheme that has spared upfront capital costs and eliminates the troublesome and costly requirement to keep the operations lit around the clock.

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The Chemelot Industrial Park in Geleen previously had to leave some 17,000 fluorescent lights on for 24 hours a day because physically switching them creates a potential spark hazard under an EU directive known as ATEX, which governs operations in explosive environments.

The wireless mesh controls circumvent that danger in such an extreme industrial environment. The new ability to turn lights off and to dim them augurs enormous savings in electricity and CO2 emissions. It should also drastically reduce light pollution.

“Because we ‘switch' the lights with software, dimming and switching is now possible,” said Han Bak, CEO of Haarlem-based Chess Wise, the company providing the mesh technology which it calls MyriaMesh. “The main thing is the lights are only on when you really need light, which is completely the opposite of the existing situation, when the lights were on 24/7.”


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Chess Wise is one of several lighting-related companies involved in a one-for-one replacement of existing fluorescent luminaires with LED models in a 15-year service-based scheme led by Amsterdam based project management firm LEDsEnable. The team also includes French LED luminaire provider Dietal, and Dutch cloud computing controls firm Luminext. So far around 4000 new Dietal luminaires are up and running, with over 1000 per month planned for the next year. Each Dietal luminaire includes an embedded MyriaMesh module.

A good chemistry of LEDs and wireless mesh controls will finally allow any of 17,000 outdoor lights to go off when not required at Chemelot. It will also switch them on at the right times and monitor their performance. (Photo credit: Chemelot.)