British Power International - Plant services | British Power International

Plant services

BPI provides HV and LV plant design specialisation in the UK and worldwide.  Plant design services cover from medium voltage (11kV) to extra high voltage (132kV).  Complete substation design solutions may be provided for primary, secondary and civil requirements, from concept to commissioning.

Using the latest WinDEBUT software our in-house design team is able to design LV mains cable systems to the highest standard, in line with DNO LV design practice.

Our services

  • Plant layout and sections from 11kV up to and including 132kV
  • Design engineering calculations
  • Assisting at tender stage concept layouts and CAD services
  • Earthing design and report for substations
  • Interlocking drawings
  • Equipment specifications
  • Cable sizing using AMTECH
  • LV cable design using WinDEBUT
  • Cable tray and cable route layout
  • HEML documentation

Our clients

BPI has delivered substation design services for a range of customers, including point of connection projects for solar farm connections.  These have included substation design, cable design calculations and layout CAD drawings.


We believe in working closely with the client at every stage of a project.  Our design engineers use their many years’ of experience on numerous projects both in the UK and internationally to ensure that your expectations are not just met, but surpassed.  A number of the design team have worked with major power transmission companies and are familiar not only with design requirements, but also the wayleave, consents and operational issues that must be addressed before any design can be completed for construction.

Construction News Specialist Awards 2015 Winner National Electricity Registration Scheme Accredited The Institution of Engineering and Technology accredited scheme Certificate Number 5467 ISO9001 ISO14001 OHSAS18001 Certificate number 3639 ISO27001 UVDB - empowered by AchillesUK Energy Innovation Awards 2015 Finalist UK Energy Innovation Awards 2016 Finalist
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