Networks Europe Nov-Dec 2019 | Page 43

SMART CITIES emissions in 2017, according to a UN report. With smart IoT technology, buildings can be more energy efficient reducing their environmental footprint and saving operational costs. The IoT connects mechanical and electrical systems within a building and enables communication between the devices. The resulting smart systems monitor themselves, and each other, and act upon the data they receive. HVAC equipment and lighting can be controlled and monitored automatically, optimising the building’s infrastructure according to pre-set parameters such as business hours, occupancy, outside temperature and daylight levels. The smart building thereby achieves energy savings and a reduction in CO2 emissions while at the same time increasing the comfort for the occupants. According to a study conducted by British Gas, 46% of business energy is consumed outside of regular business hours: between 6pm and 8am. If smart technology were to be utilised to its full potential in buildings, the energy consumption could be significantly reduced. Automatically shutting down non-essential equipment after close of business or running assets at a minimum are valuable solutions smart technology can provide. Installing smart technology in buildings isn’t just a chance for businesses to decrease operational costs. It can also turn buildings into strategic assets helping businesses to achieve their objectives, rather than solely being overheads. Smart technology can help streamline conference room use, showing availability and reporting faulty equipment which can help eliminate time wasted overbooking conflicts or trying to fix equipment during meetings. It can also regulate office temperatures and lighting so that both are at the optimum levels to foster productivity. Bluetooth technology With the numerous benefits of smart technology comes the challenge of installing it. Establishing wire connections between the hundreds of devices operating in a building is labour, resource and time-intensive. While wireless technologies are available, concerns about their reliability have made facility managers reluctant to implement them in the past. Bluetooth technology released earlier this year offers a solution to overcome these concerns. The Bluetooth 5.1 mesh system is a robust, reliable wireless system, ideal for picking up multiple data points or controlling simple outputs. With the Bluetooth mesh system, devices can hop from one to the next to find reliable and secure paths for the data. The system can be implemented in any building to avoid installing a large number of cables, and it’s ideal for large buildings, space- restricted areas and retrofitting purposes. Energy-positive buildings A standout example in the smart building development for offices is Powerhouse Brattørkaia, an energy-positive building that was unveiled in Norway in August 2019. The largest building of its kind, it will generate more energy in its operational phase than it will consume through construction, operation and disposal of the building. Using a combination of renewable energy sources such as solar panels and architectural design such as using special concrete to regulate temperatures. The energy production and usage are controlled and monitored via IoT devices and any surplus energy is used to charge electric cars, those transactions being monitored by both the building’s and the car’s technology. The future of smart cities Currently, there are four energy-positive buildings in Norway. While they show a glimpse of the possible future for smart cities, it remains exactly that for many communities: a futuristic ideal. At the moment, cities across the globe face numerous challenges when it comes to implementing smart technology. Ranging from concerns over privacy and cybersecurity to simple funding problems, various factors can slow down a city’s smart transformation. However, the trend doesn’t show any signs of stopping, with governments supporting the construction of smart cities. Part of the EU’s 20-20-20 targets is the constructions of smart cities to reach sustainability goals, outlining plans of bringing together small cities, businesses and organisations to develop and implement innovative solutions. Despite the challenges they’re facing, with new technologies emerging and governments supporting the concept, smart cities currently present a viable solution to increase the sustainability of urban spaces. n www.networkseuropemagazine.com 43