Case Studies

Latest case study

The Castle Hotel, Taunton

With the installation of a 175kVA powerPerfector. unit, energy savings were estimated at 8%.

Find out how they benefited from powerPerfector technologies.
powerPerfector is helping hundreds of organisations save cost and carbon. A selection is outlined below. Click on a logo below to view the full case study and others like it.

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Hilton

Hilton is one of the most powerful and recognisable hotel brands in the world with over 530 hotels across the world in 78 countries. The Hilton Hotel at Manchester Airport features 279 bedrooms, 12 large event rooms, a 20th floor bar and large catering kitchen facilities. The fitness suite contains a fully equipped gymnasium and 20 metre swimming pool. The powerPerfector unit there is now saving the hotel 16.5% on its annual electricity costs.

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Annual Savings
kWh: CO2: £:
16.5% 105,000 17,220

Environment Agency

The Environment Agency describes its purpose as "to protect or enhance the environment, taken as a whole" and to promote "the objective of achieving sustainable development". The EA are the administrators of the Carbon Reduction Commitment Energy Efficiency Scheme (CRC EES). The Agency has rolled out Voltage Power Optimisation across much of its estate, includuing at Phoenix House, Cambria House and Lutra House.

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Annual Savings
kWh: CO2kg: £:
9.5% 66,300 10,400

HM Prisons

HMP Cardiff is a category B prison, holding male adult prisoners drawn predominantly from South East Wales. The three Victorian wings have had major refurbishment and the prison’s capacity was extended in 1996 with three new wings. Of obvious importance are the electronically controlled security systems. Using backup generation we were able to install a 560kVA powerPerfector unit, reducing energy use by 16%.


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Annual Savings
kWh: CO2kg: £:
16.6% 158,000 17,897

Tesco

As part of its commitment to tackling climate change, Tesco's has invested in an ongoing rollout to help reduce their carbon emissions and make low-carbon products accessible and affordable for consumers. The first voltage management unit in the UK was installed in 2000 in a Tesco store in the town of Thornton-Cleveleys. Every viable store, distribution centre and office is now protected and more efficient because of powerPerfector.

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Annual Savings
kWh: CO2kg: £:
6% 77,342,000 11,171,700

Oxford NHS

Oxford Health NHS Foundation Trust provides specialist mental health services to people of all ages in Oxfordshire and Buckinghamshire, forensic mental health services across the Thames Valley, services for children and adolescents in Bath and North East Somerset as well as specialist eating disorder services for adults in Wiltshire. powerPerfector units are installed in both the Warneford Hospital and Littlemore Hospital in July 2010.

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Annual Savings
kWh: CO2kg: £:
317,680 41,617 5,068

DECC

The Department of Energy and Climate Change (DECC) is responsible for all aspects of UK energy policy, and for tackling global climate change. Their objectives are to bring about the transition to a low carbon Britain and to make energy secure, affordable and efficient. It is important for DECC to be as efficient as possible within their own organisation. DECC describe powerPerfector as “a critical part of our energy reduction strategy”.

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Annual Savings
kWh: CO2kg: £:
11% 136,500 19,000

AMF

AMF Bowling is the UK’s leading bowling operator. It originated in America in 1900 and came to prominence in the US launching the first automated pinspotter machine and revolutionising the world of bowling. AMF was keen to reduce energy consumption. Following an installation at the High Wycombe site, an analysis of the savings achieved took place. This showed a reduction in consumption of 14.1% attributable to powerPerfector.

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Annual Savings
kWh: CO2kg: £:
14.1% 43,276 6,603

Trelleborg

The Head Office and main facility of 13,000 sq. metres is situated on a green field site at Bursom Park, on the northern fringes of Leicester. The rubber compound manufacturing area is served by one of the most modern raw materials handling plants in Europe. Around 35% of the site’s load consists of Variable Speed Drives (VSD). Nevertheless, the powerPerfector installation on site is saving 12 per cent on annual electricity costs.

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Annual Savings
kWh: CO2kg: £:
12% 401,000 51,646

Kent CC

Sessions House in Maidstone is the HQ of Kent County Council. It is the Corporate headquarters of Education, the Emergency Planning, Legal, Personnel and Development and Property, Environment and Regeneration services. As a participant in the CRC Energy Efficiency Scheme, energy conservation is important to the council. The installation produced an average reduction in kWh consumption of 11.4%.

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Annual Savings
kWh: CO2kg: £:
11.4% 96,300 15,310

Waitrose

As part of the John Lewis Partnership, Waitrose has set targets for a wide range of environmental measures. These include reducing packaging and the amount of waste it sends to landfill, reducing water usage and improving transport efficiency. In April 2010, the first tranche of a roll out of Voltage Power Optimisation began, with 26 stores installing the technology. Waitrose is now saving £268,000 and nearly 1,800 tonnes of carbon dioxide every year.

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Annual Savings
kWh: CO2kg: £:
3,161,400 1,719,000 268,000

amey

Amey supports the delivery of the highest public policy objectives in education and transport, social cohesion and community development. Amey consider their corporate responsibility and environmental impact to be a high priority. As part of this commitment a powerPerfector. unit was installed at the company’s HQ in Oxford. Analysis after the installation showed that there was an average reduction in kWh consumption of 15.0%.


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Annual Savings
kWh: CO2kg: £:
15% 69,500 8,500

Caledonian Brewery

Caledonian Brewery is a Scottish brewery founded in 1869 in the Slateford area of Edinburgh, Scotland. The Caley, as it is known locally, is the only survivor of over 40 breweries that operated in Edinburgh during the 1800s, although a number of independent breweries have opened in recent years. The installation of a powerPerfector unit at the brewery has reduced electricity costs there by 11 per cent.


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Annual Savings
kWh: CO2kg: £:
11% 105,800 11,400

AXA

AXA is a financial services company focusing on life and pensions, wealth management, protection, health and insurance. As part of its continued commitment to carbon reduction AXA had already implemented a number of energy efficiency measures across the Suffolk House site. However, following the installation of 2 powerPerfector units in July 09 analysis of the electricity use on site showed a 6% reduction.

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Annual Savings
kWh: CO2kg: £:
6% 184,251 25,800

Experian

Experian is the leading global information services company, providing data and analytical tools to clients in more than 90 countries. At the heart of Experian lies a vast store of information, around which unique analytical skills and highly advanced software tools have been developed. The protection of the electrical system afforded by the powerPerfector installation is just one of the benefits, the other is an average reduction in kWh consumption of 12.1%.

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Annual Savings
kWh: CO2kg: £:
12.1% 301,000 39,000

National Portrait Gallery

The National Portrait Gallery specialises in displaying portraits of historically important British people. Since it was founded in 1856 its collection of portraits has grown to be the most extensive in the world. The site at St Martin’s Place near Trafalgar Square installed a powerPerfector unit in 2010 and the electricity consumption was analysed to find a reduction of 12% equating to annual carbon dioxide emissions saving of 207,769kg.

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Annual Savings
kWh: CO2kg: £:
12% 207,769 28,645

Marston's Inns

Marston’s Inns and Taverns has a growing focus on energy efficiency in order to meet carbon emissions targets and drive down the operational costs associated with electricity and energy prices. After a trial exceeded the predicted savings, VPO® has been rapidly installed in over 100 suitable sites across the managed pub estate. The programme is saving 353,000kg of CO2 annually, helping the business earn the Carbon Trust Standard.

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Annual Savings
kWh: CO2kg: £:
648,784 352,940 52,257

Norfolk and Waveney NHS

Carlton Court Hospital is part of the Norfolk and Waveney Mental Health NHS Foundation Trust, serving the Great Yarmouth and Lowestoft areas, with a mix of elderly and adult inpatient and outpatient services. As part of the Trust’s continued commitment to carbon reduction, they examined the use of VPO®. Following the installation of a 350kVA unit in 2009, the Trust is saving 11.6% on its annual electricity costs.


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Annual Savings
kWh: CO2kg: £:
11.6% 63,016 7,416

Hastings BC

Hastings Borough Council Town Hall was built in the 1870's in the style of a mock gothic hall. It is now a listed building in the middle of the town centre. The council’s vision is of a prosperous, resource efficient, low carbon town, optimising the opportunities for greening the economy. As part of this drive a powerPerfector was installed at the Town Hall which has led to a reduction in energy consumption of 12.7%.

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Annual Savings
kWh: CO2kg: £:
12.7% 7,075 1,549

AGMA

The installation of VPO® has reduced energy spend across Greater Manchester’s public sector bodies by over £500,000 every year. By becoming early adoptors of VPO® technology, many have been able to get ahead of the game in reducing their energy costs and carbon emissions. The group works together towards strategic objectives and shares best practice between member authorities.


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Annual Savings
kWh: CO2kg: £:
5,652,390 2,939,243 502,240

RLSB

Founded in 1838, the Royal London Society for the Blind (RLSB) has a long and distinguished history in helping blind and partially sighted people to achieve their goals in education, training and employment. RLSB's Dorton College of Further Education supports their mission to removing barriers to personal fulfilment and social inclusion by providing a complete educational experience for students. Two units were installed at Dorton College in 2008.

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Annual Savings
kWh: CO2 kg: £:
10.7% 54,000 8,600

Newly Weds Foods

Originally established in 1954, Ossett based Newly Weds Foods manufactures and market a range of coatings, seasoning and flavouring ingredients to the food industry. A market leader in food ingredients and food technology, they manufacture over 1,000 different ingredients which are then used in producing popular foods. The installation of a powerPerfector unit at the factory has reduced electricity costs there by 15 per cent.


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Annual Savings
kWh: CO2kg: £:
15% 340,000 40,480

Denbighshire CC

In 2009, Denbighshire County Council launched its carbon management strategy, ‘Project Gaia’. This includes plans for a number of technological and behavioural changes, which will help the council to meet its target of a 34% reduction on 2005 levels of greenhouse gas emissions by 2020. The council examined the suitability of VPO® at some of its bigger schools. Five units have installed to date including at Rhyl High School.

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Annual Savings
kWh: CO2kg: £:
10.6% 56,700 12,200

Warner Leisure Hotels

Exclusively for adults, Warner Leisure Hotels offer 13 properties across the UK, including six majestic Grade I or II listed Historic Hotels in beautiful countryside locations, three relaxed and friendly Character Hotels and four charming Coastal Resorts all at pretty, seaside locations. Littlecote House hotel is saving an average of 11.5% on its kWh consumption, equivalent to £20,694 following the installation of a powerPerfector.


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Annual Savings
kWh: CO2kg: £:
11.5% 61,700 20,694

Roehampton University

A campus university situated on three major sites at Roehampton in southwest London, Roehampton University has a broad range of expertise across the arts and humanities, social sciences and the human and life sciences, at the same time as maintaining its historic strength in education. The university has installed units on every viable building within its estate. At Froebel Grove an 830kVA unit was installed in August 2009.

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Annual Savings
kWh: CO2kg: £:
9.3% 326,741 63,803

Celtic Manor

The Twenty Ten Clubhouse at Celtic Manor was purpose built for The 2010 Ryder Cup and provided a fitting venue for the world’s top golfers. Sustainability was a huge driver for both the venue and the organisers. As part of this commitment a powerPerfector was installed in late 2009. Analysis following the installation showed that there was an average reduction in kWh consumption of 10% attributable to the powerPerfector installation.

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Annual Savings
kWh: CO2kg: £:
10% 36,492 8,902

*The greengauge represents the aggregate savings of powerPerfector installations in the UK, Ireland, Cyprus and Denmark. Savings correct at the time of installation using either IPMVP savings analysis or reasonable estimates, where savings analysis was not possible. Actual savings may change over time for example due to energy pricing, occupancy, equipment, rates, building re-purposing and further energy efficiency measures.

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