Thorn develops bespoke LED luminaire for Wm Morrisons multi-store refurbishment

By -

Like every national retailer, Wm Morrisons has energy and carbon reduction at the top of its green agenda. Head of Energy at Wm Morrisons, Stuart Kirk, has a target to reduce energy expenditure by £17 million while maintaining high quality lighting, which is so integral to the shopping experience.
In May 2012 Stuart approached Thorn to request a bespoke retrofit LED luminaire, which could be easily mounted into the Thorn Arena Trough system. The recessed system had been installed in most of the traditional Wm Morrisons stores for over 20 years using fluorescent T8 lamps and HF control gear. Stuart therefore saw an LED solution as a quick-win to reducing the overall lighting load.

Bespoke designs put to the test

Thorn worked with Ian Jagger, Electrical Services Projects Manager at Wm Morrisons and project management and installation partner, IES to develop a bespoke LED luminaire for the high level shop floor lighting which would replicate the distribution of the T8 luminaires with improved performance. Bevelled and flat luminaire designs were put forward with extensive trials at the headquarter mock-up store in Bradford. The conclusion was that the bevelled solution better suited the required look and feel.
Thorn also worked with project partner, Tridonic, to build in the Stark LLE 24 panels with LCI 070 300 drivers to produce a luminaire with efficacy of 91 Lm/W. An opal panel was used to diffuse the LED light source to reduce glare and 300mm blanking plates were installed between each fitting to match the current ceiling layout and improve the uniformity and aesthetics.

Client benefit

By replacing the old fluorescent T8 lamps and HF control gear (140W) with the latest LED technology (52W), Wm Morrisons benefits from 63% lower energy consumption. By using the LED solution it also allowed for the total number of luminaire to be reduced slightly which increased energy savings from 63% to 70%. The improved luminaire efficacy has also increased the store lighting levels and improved uniformity.
This gives a much brighter and uniform feel with a crisp colour temperature of 4000K. The specifically designed retail optics also provide improved vertical illuminance to ensure products on the shelves stand out to customers.
As part of the solution, Thorn additionally trained the installing contractor to develop a quicker installation method. This was because it was important that the system could be installed across a store within three nights during closing times.
Key Facts
Energy saving: 70%
Cost saving per annum: £32,271
CO2 saving per annum: 195 tonnes
Luminaires designed for sustainability and end of life recycling
Payback: 2.6 years


Comments

Post a Comment

Popular posts from this blog

Nightknight: Multi-function emergency LED torch & night light.

By -
Image
Introducing our newest product release:  Night Knight ™  is a hugely popular Ultra-Bright LED Torch - makes an Ideal Christmas present!! A multi-function emergency LED torch and night light: - Removable torch, up to 9 hours battery life once fully charged - Soft tone night light in base with manual or automatic activation. - Torch lights automatically when power is cut. - Bright LEDs give constant light, or can switch to flashing mode. - Plugs directly into the mains socket, no wires. - Magnetic induction charging with no exposed pins. - Water resistant, sealed casing. - Low power consumption. - Environmentally friendly, no battery or bulb replacement needed. Power Failure Mode: Torch is automatically activated. Night Light Mode: Automatic when dark, or can be manually switched. Hand Held Mode: Push button for on/off, constant/flashing operation. At Novel Energy Lighting from as low as  £16.99 inc VAT!
Read more

Here comes the moon: CoeLux launches night version

By -
Image
'The moon, unlike the sun, lets you look at her, it seems she wants to be looked at', commented Paolo Di Trapani, CEO of CoeLux, who is behind the latest innovation. CoeLux Moon aims to create a comforting and relaxing ambience and less light is used to produce the final effect than the original sunlight CoeLux uses. CoeLux’s artificial skylights have rocked the industry due to their convincing reproduction of sunlight. Now the company has launched a new version that aims to be just as successful at recreating the night sky. CoeLux Moon is being launched at Euroluce 2017, which is currently taking place in Milan. ‘The moon, unlike the sun, lets you look at her, it seems she wants to be looked at,' commented Paolo Di Trapani, CEO of CoeLux, who is behind the latest innovation. CoeLux chose last year’s LuxLive to launch the second generation of the CoeLux daylight range, which is comprised of smaller less costly fittings. ‘By rebuilding the phy
Read more

Thorn launches Altis Area

By -
Image
Thorn launches Altis Area, a powerful LED floodlight providing a high performance, low maintenance and energy efficient alternative to 1 and 2 kW HID floodlights. Offering over 93 000lm with an efficacy of 115Llm/W, Altis Area is equipped with asymmetrical lenses and is the ideal solution for high mast area lighting. Altis Area benefits from excellent versatility and high optical performance and control. For comfort, the floodlight provides excellent control of obtrusive light (0cd at 90°) while tiltable LED modules allow flexibility for best-in-class lighting designs. Compact and lightweight Altis Area benefits from an optimised lumen output/size ratio which facilitates retrofit installations and reduces structural costs. For ease of installation Altis Area is supplied pre-wired. Connection to the gear tray (IP21) or the gear box (IP65) is done via one single cable and a simple plug-and-play system. Altis Area can be fully dimmed via DALI control to maximise energy savings
Read more