RetailT
and even hospitality settings. The recently opened first direct Arena in Leeds [pictured] is one example. It selected specialist energy-efficient lighting supplier High Technology Lighting to provide its innovative downlights and spotlights for the executive boxes, lounge and bar areas within the venue. The LED luminaires, from the company’s Quartet
range which incorporates Xicato LED technology, comprised of a mixture of over 300 fixed and adjustable downlights and track spotlights. The LEDs will also reduce air conditioning costs as they give off less heat than any other light source, and use the digital addressable lighting interface (DALI) lighting control system, allowing management at the venue to lower light levels to save energy and create ambience. Ailsa Oliver, assistant general manager at the first
direct Arena, commented: “The fixtures from High Technology Lighting not only provide us with an energy saving solution but they also look fantastic and create a great ambience in the executive boxes, lounge and bar areas.” Sales area lighting can equate to around 20% of
an individual store’s electricity bill. The costs, but also the potential technology-enabled savings, increase across larger store estates. Last year Morrisons reported that it had all but given up on the possibility of retro-fitting LED into its older stores simply because it was not able to find a supplier that could meet its criteria. But after more than a year in development, as
well as instore trials, Minimise LED tubes were retro-fitted into 35 Morrisons stores – saving the company 53% in electricity bills across the shopping aisles. The issue was that tubes needed to be installed into existing traditional fittings that were integral to the ceiling, sometimes as much as 3.7 metres off the ground, but still capable of projecting the required illumination at floor level. “Lighting is certainly a feature in our stores,” said
Stuart Kirk, head of energy at Morrisons. “We’d also started exploring LED lighting in the refrigeration cases, and that was how we started with Minimise. Because the quality of their lamps was so good, that was when we decided to explore the sales area.” Having established the brief, Rochester-based
energy manufacturing and installation company Minimise set about producing a T8 LED tube for test aisles at Morrisons. “As well as all the retro-fitting constraints, the challenge was to develop an LED tube with increased lumen output so that Morrisons could achieve between 900-1000 lux at floor level,” said Paul West, managing director of Minimise.
www.retailtechnology.co.uk
Energy spend can have a dramatic impact on the bottom line, especially where operating margins are tight
echnology “Also, they needed to achieve energy reduction
within a reasonable return on investment for supply and installation (i.e. two to three years).” Minimise managed to achieve this without taking into account any maintenance cost savings and other traditional costs of replacing fluorescent tubes or replacing old ceiling structures to install new LED fittings. Kirk added: “LED is a very embryonic industry
and, if you committed to spending money on changing fittings, in five years’ time the next best thing could be just around the corner and you will have missed out. As Minimise has a five-year warranty on their tubes, it gives us some flexibility in the future when the market has matured.” Another supermarket has launched a
collaborative buying club designed to will help suppliers invest in energy efficient lighting equipment and installations by offering substantial discounts and advice. Tesco’s Buying Club, which has been developed with 2degrees and the Carbon Trust, was launched last October to the 700-plus Tesco Knowledge Hub members that use the online community for its suppliers to share information, experiences and best practice in carbon reduction. The scheme works by utilising the collective
purchasing power of the suppliers in the Knowledge Hub to negotiate discounts on energy efficient lighting equipment of up to 25%. Chloe Meacher, Tesco climate change manager, stated: “Cost and lack of knowledge can be the biggest barriers to making investment in energy savings. The Buying Club will address these concerns and support them in reducing their carbon footprint in a really practical way.” Tesco also said it would look to explore how this concept could be extended to other areas and a wider range of energy saving equipment. Energy management systems are also gaining
adoption, where TUI UK & Ireland has installed a WEMSystem at 61 UK retail sites to achieve an annualised reduction in energy consumption of 23.8% (up to the end of May 2013). “The installation of the WEMS wireless
building energy management system has had a fantastic impact on our energy consumption since its implementation,” stated Chris Logan, head of property and portfolio change at TUI UK & Ireland. Spencer Rigler at Elster EnergyICT, concluded:
“Energy spend can have a dramatic impact on the bottom line, especially where operating margins are tight. Energy efficient technology usage and building control data can provide a gold mine of information and savings when harnessed in the right way.”
Winter 2014 41
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