We’ve made it easy for you to research your voltage optimisation project by putting our brochures, case studies, testimonials and technical documents in one place.


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VPO Testimonial document

Client testimonial booklet (Download PDF - 4.9MB)

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Individual case studies with ROI

Individual VPO case studies

Glasgow City Council Case Study (Download PDF - 600KB)

AGMA Case Study (Download PDF - 80KB)

Bexley Council Case Study (Download PDF - 670KB)

Bromley Council Case Study (Download PDF - 1.1MB)

Southwark Council Case Study (Download PDF - 590KB)

Beeston College Case Study (Download PDF - 820KB)

Greenwich University Case Study (Download PDF - 500KB)

Plymouth University Case Study (Download PDF - 320KB)

Government Departments
Greater Manchester Fire & Rescue Service Case Study (Download PDF - 680KB)

Greater Manchester Police Case Study (Download PDF - 410KB)

NERC Case Study (Download PDF - 520KB)

RAF: Brize Norton Case Study (Download PDF - 610KB)

Calderstones Partnership NHS Foundation Trust Case Study (Download PDF 430KB)

Marston's Inns & Taverns Case Study (Download PDF - 850KB)

QHotels Case Study (Download PDF - 850KB)

Leisure & Tourism
Barbican Case Study (Download PDF - 710KB)

Celtic Manor Case Study (Download PDF - 7600KB)

Westminster Abbey Case Study (Download PDF - 1.4MB)

3663 Case Study (Download PDF - 530KB)

Savage Haulage Case Study (Download PDF - 215KB)

Cheshire East Council Case Study (Download PDF - 670KB)

National Express Case Study (Download PDF - 780KB)

National Grid Case Study (Download PDF - 1.1MB)

Howard Centre Case Study (Download PDF - 770KB)

MRH Retail Case Study (Download PDF - 570KB)

Waitrose Case Study (Download PDF - 300KB)

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VPO brochure

Company brochure (Download PDF - 4MB)

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Case study booklets

VPO case studies

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

Case Studies - education (Download PDF - 3.2MB)

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VPO finance help

Pay As You Save (PAYS) flyer (Download PDF - 160KB)

Finance Case Study: Savage Haulage (Download PDF - 215KB)

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powerPerfector logo

powerPerfector logo


EPS (Download EPS - 1.9MB)


PNG (Download PNG - 100KB)
JPG (Download JPG - 250KB)

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pP technical document pP Plus technical document

powerPerfector Technical Document (Download PDF - 100KB)

powerPerfector Plus Technical Document (Download PDF - 150KB)

*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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