High Voltage Design Services

Power Systems

GreyMatters: Your Trusted Partner in High Voltage Design

In the intricate world of electrical engineering, where volts and currents weave their way into power systems, there’s often some hard questions to answer with the High Voltage (HV) system design. 

Why GreyMatters for Power System Design?

Imagine spending over 30 years navigating the intricacies of HV design at small scale 11kV to the highly complex 400kV national grid level networks including HVDC, making it second nature. We’re here to shoulder that responsibility for you, allowing you to rest easy, knowing that your HV Power Systemn design is in the most capable hands.

Specialist Engineering Services

  • Power System Studies
  • Electrical infrastructure planning and FEED
  • Substation designs including Civil and MEP services
  • Protection and Control designs including SCADA Systems
  • HV Cable systems design
  • Earthing and lightning protection system design
  • Generator grid connection design
  • Design review and assurance
  • Site survey works

Grid Compliance Studies

  • Load flow
  • Short circuit
  • Reactive Power Capability
  • Fault ride through 
  • Frequency Response
  • Harmonics 
  • Voltage performance
  • Insulation coordination
  • EMT studies
  • Arc Flash

Guaranteed Solutions

There are a number of things GreyMatters aims to do really well, and we are prepared to back those up by offering innovative solutions.

Specialist Knowledge

GreyMatters are absolute specialists, with over 25 years of sector experience , and fully accredited top 1% Earthing Consultancy in Europe. There isn't a problem we haven't seen and solved while making sure your system is compliant with the latest IEC/CIGRE/BSEN and BS standards underpinned by codes and regulations.


Incredibly Easy to deal with

Real people, real answers…in realtime! The whole operation is geared up to make your experience a painless one. End-to-end transparency, live process updates to remote online video support. Choose a way to engage that suits you – easy expertise when you need it in HV Power system design.

Enquiry Form

Let's have a chat and let GreyMatters do the heavy lifting

Check out some of our other services

At GreyMatters, we understand that sometimes you may have specific needs that require additional assistance. That’s why we are pleased to offer a range of extra services that are designed to cater to your unique requirements. 

Whether you need help with a particular task or simply want more personalized support, our team is here to help you every step of the way. So, please don’t hesitate to reach out to us if you need any assistance. 

You're In Safe Hands Now.​

Let's have a chat and let GreyMatters do the heavy lifting