Experienced professionals from the power generation & transmission/distribution industry.

Protection Installation Systems Ltd

Based in the North East of England, our team has extensive experience in the power generation and transmission/distribution industry.  For over three decades our Engineers have proudly worked on many major projects delivered in the UK.  Protection Installation has the capability to design, manufacture and install control and protection panels and equipment. Listening to our clients we believe that the market requires engineers with a flexible, adaptable approach, delivering contracts on time and to budget. We have built our business around those critical objectives.

Our clients include all of the major UK electrical generation, transmission and distribution utility companies.
We are committed to delivering outstanding build quality and helping our clients transition to a sustainable low carbon solution. Our established team are highly accredited and authorised to work on extremely complex projects.


Site Installation

PISL are specialists in substation construction, installation and maintenance.  We have wide-ranging experience of installing new HV switchgear, 11kV to 400kV and our highly knowledgeable team are a trusted partner for our clients in both new build and refurbishment projects.
Covering installation and termination of control and protection equipment, all personnel have extensive NICAP experience and are National Grid Competent Persons trained to EUSR standard, are SSE C3 accredited and are Northern Powergrid Keyholders. .

Panel Build

A key part of the business is panel building and PISL boasts a highly trained team of Protection Panel Wiremen and time served Electrical Fitters and Technicians led by professional Supervisors.
Our Senior Team trained with iconic and well regarded businesses in the North East including Rolls Royce Control Systems, Siemens, NEI Parsons and Reyrolle. Continuous training and improvement ensure they continue to be recognised for the quality of their output.

Fibre Optic

Our clients are beginning to apply fibre-optics in their communication systems at an increasing rate and we provide assistance and innovation to support them.
We will provide Fibre Optic Personnel trained to City & Guilds 3466-02, BS7718 and BS EN50173.
High quality materials are used across all our installations.


We have had the pleasure of working on some of the UK's most prestigious and major projects such as:-

Exeter 400kV Circuit Breaker Replacement Scheme

—Removal of redundant air blast circuit breaker on the Chickerall feeder circuit and installation of new SF6 gas circuit breaker.
Removal of redundant SF6 gas filled CT’s and installation of new busbars, post insulators and earthing.

Withernwick - —Goole Fields 66kv Substation

1 off Burton Pidsea Feeder (602) Relay cubicle,
1 off Bus Section (603) Feeder Relay cubicle,
1 off Seaton Feeder (604) Relay cubicle,
1 off Wind Farm Feeder (605) Relay cubicle,
1 off Customer interface wall-box,
3 off VT Marshalling box,
1 off Emergency trip wall-box.

Harrogate Project

9 off panels for 33/11kv reinforcement of existing ring main.
9 off protection/pilot wall boxes.
Fibre optic installation.
Site cabling services.


Ken Chapman

Managing Director, Vector Power Solutions Ltd

VPS have worked with Protection Installation Services for several years and have always found their work to be of extremely high quality, the delivery of the products, consistently on time and on budget. Their work in the field has also been efficient, professional and safely executed even under extremely difficult site conditions.

Our personnel hold the following accreditations

  • —NG Competent Person/Person (including live working)
  • —EUSR Registered
  • —NPG Authorised and Key Holders
  • —SSE C1 and C3 Authorised Personnel
  • —The following have been held and our personnel are experienced in these :
  • —TP144A Site Management
  • —SPEN (including live working)


We are just a step away when you need us!

Drop us a line, we'd love to chat about your project.

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