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Our Knowledge - Your Power

At SPE we have an unswerving commitment to both quality and HSE. We believe that this helps keep our costs low and benefits both SPE and our Clients, by reducing rework and putting design safety at the centre of our services. At the heart yof our business strategy is our desire to work in a partnership approach with your company and aim to build mutually beneficial long lasting relationships. We have a simple but effective philosophy:

“At SPE we believe that the best way to grow our business, is by helping you, grow your business.”  

All our Senior Consultants are highly experienced, degree qualified, chartered engineers who have worked in a wide range of industries and countries. We have an innovative business model, based on a mix of full time engineers whilst also utilising a pool of part time, highly experienced specialists who work for us on a flexible basis, enabling us to call-off expert resources as required. This allows SPE to run a streamlined organisation with low costs, while providing a huge breadth of experience and a unique ability to see a problem from many different angles.

meet our team

Our Services

As power system consultants we provide a wide range of technical electrical engineering services to support your business needs.  Typical services include:

Power System Studies: load flow, fault analysis, P28/2 voltage disturbance including flicker and transformer inrush, G5.5 Harmonics, G99 Grid studies, protection coordination, arc flash, dynamic and transient studies and electromagnetic transients.

Power System Design: Concept selection, contingency analysis, switchgear and transformer specification, SLD preparation, cable sizing, cable routing, UPS sizing, substation layouts, protection scheme design, wiring modifications and scope definition for EPC and M&E companies.

Earthing: Earth potential rise (EPR) calculations and touch and step voltage calculations with either CDEGS or XGSLab, earthing layouts, soil resistivity testing, fall of potential tests, earthing inspections and resistance testing.

Consultancy: Concept development and decarbonisation strategies, preparations of G99 and National Grid connection applications, review of ICP and vendor proposals, preparation of contract scopes, due diligence checks, technical authority and client representative and failure investigations.



  • Power System Analysis

    We can undertake a wide range of power system studies, using industry leading software packages ETAP, DIgSILENT Powerfactory and EMTP-ATP

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  • Power System Design

    LV, HV and EHV design for greenfield and brownfield project developments, in a range of different industries.

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  • Earthing

    Earthing Potential Rise and touch and step voltage assessments and modelling in CDEGS and XGSLab

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  • Consultancy

    Our Power System & High Voltage Consultants have worked on renewables, T&D projects, process plants & power generation both in the UK & internationally.

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Your Power

Our Experience