Head OfficePowerstar Logo (black)
4 Cowley Way, Ecclesfield,
Sheffield, S35 1QP

Tel: +44 (0) 1142 576 200
Email: [email protected]

Company Profile

The Powerstar and Virtue range of voltage optimisation and energy storage solutions are manufactured at our Sheffield head office. The company are renowned for innovation and excellence in manufacturing and engineering.

The company’s vision focuses on helping clients make their organisation more energy efficient through cutting edge energy saving solutions.

  • Engineering company formed in 2001
  • Market leaders in voltage optimisation and energy storage
  • At the forefront of technological advances in energy management
  • Export  technologies to over 20 countries.
  • Project-led approach fully supported by our team of professional engineers
  • Provide UK manufactured systems, under the Made In Sheffield accreditation
  • Hold a number of patents for our unique product range
  • Powerstar systems are designed, engineered and built in the UK under IEC60076
  • ISO 9001 approved and ISO 14001 approved
  • Virtue named winner of the 2015 European Utility Week European Product Innovation award

Our energy management solutions have been installed into thousands of sites throughout the world. Our experience covers the full spectrum of clients including domestic installations, small commercial sites, single installations for private and public sector business and multi-site and international roll out projects, along with several installations at prestigious landmark sites.



  • 15th

    Breakfast Seminar

    Our free to attend breakfast seminar in London on 15th March 2017 provides the perfect platform to learn about the Virtue energy storage system and the Powerstar voltage optimisation range of technologies...
  • 21st

    Voltage Optimisation Webinar

    A free webinar giving a full insight into the voltage optimisation (VO) industry and how it has evolved in recent years...


    The Art of Energy Saving

    One of the UK’s leading energy storage and voltage optimisation brands, Powerstar, is likely to save mac Birmingham up to 9% on its annual electricity consumption. The successful installation of a Powerstar voltage optimisation solution is part of ‘Sustainable mac’, a strategy which aims to reduce the venue’s environmental impact. Previous environmentally friendly measures undertaken