FEATURE LIGHTING & CONTROLS WIRELESS LIGHTING CONTROL IN THE IOT ERA


Andy Davies, head of business development and specification at Harvard Technology, offers a unique insight into the Internet of Things (IoT) developments that are transforming wireless lighting control software and making life easier for energy managers


scheduled to activate when lighting is needed. Information on testing for audit tracking and energy hotspots can also be accessed. Utilising enhanced connectivity through the IoT, the next generation in wireless lighting control systems also adds pioneering new capabilities such as Building Energy Management System (BeMS) integration to provide a platform for controlling not only lighting, but also heating, ventilation and security systems through one interface. Driven by technological advancements, smart


lighting control solutions are already re- shaping buildings to be more energy efficient, more connected, secure and reliable. New cloud-based, remote access, wireless control, monitoring and management systems allow users to wirelessly monitor and manage both indoor and outdoor lighting across their entire estate from a single device.


t is no secret that lighting can be a significant drain on the financial resources of any building. In fact, according to the Carbon Trust as much as 40 per cent of a commercial building’s energy costs are accounted for by highly inefficient lighting, which fails to have anything more than a basic on/off functionality. A report from The Department for Business, Energy & Industrial Strategy (BEIS) also found that lighting is the second largest area of energy consumption in non-domestic properties – further highlighting the economic implications of failing to address ineffective lighting.The Department found that 10,930GWh/year of total annual energy savings can be delivered by adopting modern LEDs and lighting technologies, and that in total over £1 billion of cash savings can be made by installing more efficient lighting. The advantages of adopting smart wireless


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lighting controls, therefore, are clear to see. Despite this, many energy managers are failing to tap into the potential of IoT connectivity and as a result are not capitalising on the savings.


IOT-ENABLED LIGHTING CONTROL In the past, energy managers have been deterred by the drawbacks of installing more controllable options, despite the countless possibilities they present. A lack of suitable wireless lighting control systems for more complex building layouts, such as industrial warehouses, had been a major disadvantage. Meanwhile, the cost of software, hardware and installation, as well as downtime during commissioning had also proved a barrier for wide-spread adoption.


26 SUMMER 2017 | ENERGY MANAGEMENT As with countless other technologies, IoT is


driving innovation and improvement in the lighting control software and installation market, meaning wireless lighting control systems are more capable than ever before. The latest generation of wireless lighting control technology, such as Harvard


Technology’s EyeNut system, is transforming the way commercial facility lighting is


managed. Estate managers, persuaded by their simple retrofit capabilities, advanced control options and ease of use, aree, are increasingly adopting wireless lighting controls across their estates.


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Through an intuitive Graphic User


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Figure 1:


IoT is driving innovation and improvement in the lighting control software and installation market, meaning wireless lighting control systems are more capable than ever before


“The


latest generation of wireless lighting


control technology, such as Harvard Technology’s EyeNut system, is transforming the way commercial facility lighting is managed ...”


multiple installations, across across


different sites, showing real-time data on kWh usage and carbon, energy hotspots and even luminaire failures.


greal-tim dcarbon, energy Usage patterns can be managed to enable


the most effective energy saving strategy to be implemented, for example daylight harvesting, occupancy sensing, time scheduling and scene setting to maximise energy efficiency opportunities. Luminaires can be switched or dimmed collectively, or individually, and


REAL SAVINGS FOR LEADING RETAILER By delivering significant reductions in energy and financial savings, Harvard Technology has already provided an IoT-enabled integrated wireless lighting and Micro BeMs solution for one of the UK’s largest high street blue chip retailers with over 3,000 stores. Specifying on behalf of the retailer, Matrix, a company of E.ON, selected EyeNut as part of a substantial retrofit roll-out. The system, rolled- out across six stores in an initial trial, includes a cloud-based EyeNut hub, Gateways, as well as EyeNut enabled LED drivers. The EyeNut software was co-deployed in conjunction with a Micro BeMS system based around Matrix’s Tridium Niagara framework.


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Designed to be easily retrofitted into all stores, EyeNut immediately delivered significant savings in both energy and carbon emissions. This installation has resulted in energy savings of 34% through wirelessly controlled LED lighting alone. When factoring in the additional decreases delivered by the integrated Micro BeMS, savings were further increased by 20% - leading to a significant financial yearly saving. EyeNut’s connectivity to the Tridium BMS allows data transfer between all building control systems – including air conditioning, heating, ventilation, lighting and security – enabling information on scene setting, energy data, store trading conditions and emergency tests to be reported to the users.


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