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Posts Tagged ‘Energy Efficiency in Buildings’
The total number of certifications for reducing carbon emissions amongst UK businesses has recently been pushed up to 500, following the announcement that British Land, Mothercare and Motorola have been awarded the Carbon Trust Standard.
The total carbon footprint of the 500 organisations is now over 43 million tonnes of CO2e, equivalent to nearly 18% of the total carbon footprint of UK businesses and transport.
Introduction
In January 2010 the ExCeL London management team started investigating how they could improve their lighting in order to achieve uniformity throughout the central boulevard of the exhibition and conference centre. At almost half a mile in length this is the main thoroughfare and public space used by all events. The solution that ExCeL chose for this critical space not only improved the light quality, but reduced operating and maintenance costs while also improving energy efficiency.
ExCeL London’s central boulevard lit by LED High Bays from Dialight
The lighting challenge
Engineering and Energy Manager, Chris Barnes explains how the need for improved lighting came about: “During the Phase Two expansion of ExCeL we used ETFE roofing above the new section of the central boulevard to allow us to harvest a lot of daylight. The Phase One section was still lit by 400W high pressure sodium lamps which produce variable colour rendering as they age, so it looked dark by comparison. We specifically wanted to improve the lighting so that visitors could flow through the two areas without noticing a big difference in lighting conditions. Lighting is a key part of the user experience of this building and, as we couldn’t cut holes in the roof of the old section to let in daylight, it had to be an internal solution to matching the light quality.”
Additionally the ExCeL management team wanted to meet energy efficiency targets as part of their award-winning policy to continuously evolve and implement practices that deliver economic security, social and environmental benefits. A key part of this policy is to put a sustainable business strategy in place for lighting and other essential elements of its direct in-house operations.
How the challenge was overcome with LED lighting
ExCeL London agreed to a trial of eight DuroSite™ Series LED High Bay lights from applied LED technology specialist Dialight. The 150W LED High Bays were used to replace 400W sodium lamps on a one-for-one basis and delivered more than double the lighting level taking the measured lux from 100 to 220. On the basis of this result the installation was extended to a total of 194 LED High Bay lights throughout the central boulevard.
Chris Barnes had trialled other LED lights and says: “Dialight’s High Bay suits the purpose for the building; it looks nice, it’s aesthetically pleasing, it ticks all the boxes. For example, the boulevard is a public area and when there’s a power cut the HPS can take 2-3 minutes to come back on, whereas the LED is back on instantly. Our events managers noticed that and they like it, so now there’s a push to get more LEDs installed.”
He adds: “With LED what you see is what you get – it’s got a far better colour spectrum than HPS – and that’s important for events like our big fashion shows.”
Tough rules to protect consumers when they insulate their properties are to be brought in as part of legislation to implement the Green Deal, Chris Huhne announced today.
The Green Deal, due to start in 2012, is the Government’s new and radical way of enabling private companies to make energy efficiency available to all at no upfront cost. The work to upgrade the property will be paid back from the saving on energy bills.
Millions of Britain’s properties – whether owned or rented – will be made warmer, cosier and cheaper to run. The Energy Bill, published in Parliament today, sets out for the first time how the Green Deal will work. It will be available for both household and business premises.
A leading international energy broker has called on Ofgem to help cut the red tape currently surrounding energy purchasing via exchanges in Great Britain.
Independent experts at Bergen Energi UK believe exchange access is restricted by the costs of signing up to and the ongoing management requirements of the Balancing and Settlement Code (BSC) – the industry’s governance arrangement for electricity balancing in the UK.
Simon Firth, Key Account Manager at Bergen Energi, said: “Without doubt the current bureaucracy surrounding the BSC is limiting the number of suppliers and end users directly purchasing energy on an exchange, and ultimately, is reducing competition in the UK power market.
BIFM innovation award for energy saving and efficient access system
An access system with an efficiency boosting key that opens up to 6,000 locks scooped the British Institute of Facilities Management’s (BIFM) innovation in products award at a ceremony hosted by musician and TV presenter Myleene Klass in London on 11 October.
The system known as eMAKS, which stands for Electronically Managed Access Key Systems, is developed by 24/7 property and people protection leader SitexOrbis and was selected from 30 entries.
Power Efficiency, the UK’s leading energy procurement and carbon strategy consultancy, today announced that its team of experts has secured a £4.2 million annual electricity cost saving for leading UK data centre provider, Sentrum. The savings were achieved through a series of negotiations regarding securing access to a new energy supply contract which would enable Sentrum to benefit from wholesale energy pricing and also remove any penalties typically associated with levels of consumption increasing.
Working on behalf of Sentrum, the Power Efficiency team leveraged its vast experience in the energy market to identify a new supplier which was better positioned to meet Sentrum’s business needs in the long term. After completing an extensive review process, a new contract was secured that agreed a competitive pricing framework for wholesale energy whilst also allowing Sentrum the flexibility it needed to increase consumption levels without incurring any penalties.
“Sentrum is a successful data centre provider and the company has ambitious growth targets,” said Franek Sodzawiczny, Development Director & Partner at Sentrum. “Managing our major costs effectively is critical in enabling us to continue offering the best rates to our customers. Power Efficiency, as a trusted partner, has now ensured that we can do just that.”
Ladbrokes, one of the world’s leading betting stores, took pole position in the energy efficiency stakes after scooping a £121k win on energy savings over the past four months.
After recognising its high street stores could be more energy efficient, Ladbrokes worked with a true thoroughbred of energy management, t-mac Technologies Ltd, to help save energy and money.
Nick Eshelby, director of Property Services and Facilities at Ladbrokes Plc. explains: “As part of Ladbrokes commitment to the environment we wanted to be pro-active in our effort to reduce carbon footprint across our outlets. By working with t-mac we were able to identify that our immediate solution was to scrutinise the use of in-store equipment to save energy and carbon.”
Initially t-mac trialled an energy management system in Ladbrokes’ Chesterfield store, identifying how much energy could be saved by controlling air conditioning and ventilation equipment.
By monitoring and controlling equipment performance and use, t-mac ensured the air conditioning system was only on during business hours, was operational in accordance with internal temperatures and was disabled when necessary. Footfall was also monitored by connecting a door sensor to the t-mac unit which provided a people count, which can influence internal temperature during opening hours.
For the last three years Managing Director Paul Cope of UK based March Foods had been looking for a way to reduce energy consumption in his warehouses. After rejecting voltage controllers as old technology, he began to examine LED lighting as a potential smart solution. In January 2010 he knew he had found the answer when installer Tom Klimes of Interior Control Ltd presented him with an LED High Bay unit from Dialight, a UK based company specialising in applied LED technology.
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