Please see a small selection of our powerPerfector case studies below. If you want to view another sector, please click the related pages on the left of the page.

Related downloads

Testimonial booklet

VPO Testimonial document

Client testimonial booklet (Download PDF - 4.9MB)

Case study booklets

VPO case studies

Case Studies - a quick glance (Download PDF - 3.8MB) 

Case Studies - education (Download PDF - 3.2MB)

Barchester Healthcare

Caring for the UK from Cornwall to Durham

Why it is interesting: Barchester Healthcare is now one of the biggest independent care providers in the UK. Barchester was originally created to provide high-quality nursing care and hospitality to older people but their expertise and ability to offer support has expanded significantly since its foundation in 1992. They now offer services to 11,000 people around the UK in an impressive variety of quality homes.


Berkshire Healthcare NHS Foundation Trust

Healthy Savings achieved with the NHS

Why it is interesting: London Procurement Partnership Framework: This framework is helping NHS trusts to deliver the highest quality services while at the same time ensuring value for money on NHS projects. We are delighted to have won our first tender through this framework which enabled Berkshire Healthcare NHS Foundation Trust to access the solution required to meet their energy objectives in two of their community hospitals.


Calderstones Partnership NHS Foundation Trust

Calderstones puts its trust in VPO® and VPO® in its Trust

Why it is interesting: With a carbon footprint of 21 million tonnes of CO2 equivalent ( CO2e) and a large, aging estate, few organisations in the country face as difficult a carbon challenge as the NHS. The budgetary pressure imposed on the public sector also impacts the NHS, so it is important that Trusts adopt tried and tested measures to tackle the dual challenge of cutting cost and carbon.


South Essex Partnership NHS Foundation Trust

Rochford Hospital

Why it is interesting: Rochford Hospital, part of South Essex Partnership NHS Foundation Trust, is a mental health hospital that underwent a £25m redevelopment and was opened in February 2008. The building is highly efficient and the redevelopment involved implementing high frequency lighting and LEDs throughout the building and variable speed drives on most of the motors.

Annual Savings: kWh: 5.7% | CO2: 33,000kg | £4,500

South West Essex Community Services

NHS South West Essex - Mayflower

Why it is interesting: South West Essex Community Services is the leading provider of community health services in South West Essex. Each year they provide advice, care and treatment to more than 80,000 children, adults and older people. Their expert teams cater for people of all ages from new-born babies to older people. They provide care and support for patients in a range of settings, including health centres, community hospitals and their own homes.

Annual Savings: kWh: 12.1% | CO2: 11,600kg | £2,140

South West London & St George's Mental Health Trust

Richmond Royal hospital

Why it is interesting: Since being formed in 1994, the South West London & St George’s Mental Health Trust has been based at Springfield University Hospital in Tooting. It also operates from almost 100 other locations, providing mental health and community services to 39,500 people each year. The Trust is subject to Department of Health plans for Sustainable Development. After the Trust sent the annual electricity consumption details for Richmond Royal hospital, it was possible to give a provisional quote for a powerPerfector unit and the energy savings that would be expected.

Annual Savings: kWh: 11.4% | CO2: 29,800kg | £4,800

Savings Reports

• Barchester Healthcare

(Download - 880KB)

• Mayflower Hospital

(Download - 660KB)

• Richmond Royal Hospital

(Download - 1MB)

• Rochford Hospital

(Download - 955KB)

• Springfield Hospital

(Download - 4MB)

• Tolworth Hospital

(Download - 1.4MB)


*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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