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Case study: Osram’s LEDs get a big break at the Crucible

Green grants

With the new government’s spending cuts about to kick in, who knows what lies ahead for bodies such as the Carbon Trust, set up to accelerate the UK’s take-up of a low carbon economy? For the moment at least, the Trust offers an interest-free loan scheme, based on the loan being paid back through energy savings arising from an upgrade. Loans between £3,000 and £100,000 are offered with no arrangement fees, and can be repaid over a period of up to four years. For government/local authorities, loans are available via a scheme called Salix. Enhanced Capital Allowances allow 100 per cent first year tax relief on qualifying capital expenditure, allowing a business to write off the whole cost of the qualifying equipment against taxable profits in the year of purchase. Each claim is subject to individual negotiation, and businesses are recommended to undertake a tax planning exercise at the time of design. The Energy Saving Trust deals with domestic lighting. It provides subsidies to

Osram’s Coinlight-Ostar LED modules and control gear have been specified by consulting M&E engineer Michael Popper Associates, and included luminaires produced by lighting manufacturer Metro to illuminate the famous Crucible Theatre in Sheffield. Osram’s LED modules were specified to provide a high level of light output as well as long lamp life. It was essential that the modules come equipped with a long lifetime as the fittings are in an awkward location which makes re-lamping difficult. The units require virtually no maintenance and will save at least 17 tonnes of CO2

a year.

scheduling, which is naturally attractive to clients.’ While not all electrical contractors will feel that reduced maintenance is a good thing for their own business, Reeve points out that when this is the way things are going, making the best of it is a good business strategy. ‘Even simple upgrades can open the door to other energy-saving work and help members to establish long-term service contracts,’ says Reeve. ‘Lighting is one way into a growing service relationship with clients – and, as we have all seen, lighting technology itself keeps moving forward and offering more opportunities.’ This autumn, the ECA will produce a guide that will

highlight to commercial and public organisations how electrical contractors can help with the selection, design and installation of energy and carbon saving measures. As well as highlighting the legislative sticks, such as the CRC, the guide Maximising Energy Savings and Carbon Reductions also covers many carrots, such as Enhanced Capital Allowances and interest-free loans from the Carbon Trust (see box). As Reeve says, lighting upgrades offer end users an easy

win when it comes to reducing energy costs. The lighting industry has always benefited from continuous R&D investment, which has led to better, more energy efficient products, for example: n T5 fluorescent tubes and electronic ballasts (more and more lighting is electronics based);

n Improved energy-saving versions of lamps and luminaires, eg compact fluorescent lamps, halogens, optics etc;

n LED technology both in terms of light sources and luminaires; and

20 ECA Today Autumn 2010

encourage early adoption of energy efficient lamps such as CFLs, retrofit LEDs etc. A reduction in this programme for lighting is expected.

EU phase out of incandescent lamps

The most energy inefficient light bulbs in Britain began disappearing from shop shelves early in 2008. This voluntary initiative, which has been led by major retailers and energy suppliers, has already seen the 150W and 100W lamps removed from sale. The aim is to save up to

5 million tonnes of carbon dioxide per year by 2012 from UK electricity generation, the equivalent to the carbon emissions of a typical 1 Giga Watt coal fired power station. Since 1 September

2009, it has been illegal to manufacture or import frosted general purpose incandescent lamps and clear incandescent lamps of 100W and above. It is perfectly legal, however, to continue selling lamps that are already in the supply chain. For more information on the phase out of incandescent lamps and the timetable for both EU legislation and the UK’s voluntary agreement, see http://www. energy.php

n Greater use of lighting controls and intelligent lighting systems that ensure the right light in the right place, at the right level and at the right time.

Solutions Steve Stark, trade business unit manager at lighting manufacturer Osram, is in no doubt that the technology is there, ready and waiting: ‘Artificial light accounts for around 19 per cent of global energy consumption, and nearly 70 per cent of this is consumed by lighting for which a more efficient alternative is available. Consequently, there is huge

Case study: Aurora brings big discounts at furniture store

A furniture store used 90 fixtures, each with 3 x 75W AR111 low-voltage tungsten halogen reflector lamps. It was running the lighting for 10 hours a day, 360 days per year. The annual power consumption was 72,900 kWh. To reduce running costs and lower in-store temperature, a new lighting scheme was installed using 70W CDM-T ceramic metal halide lamps in 45 AU-HCD70 luminaires from Aurora. This gives an energy saving of 60,102 kWh per annum. The lighting has a payback period of only six months and yields a cost saving of £6,000 per year.

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