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The Team

Expert Power System Consultants

Our Engineers

  • Stephen Sommerville

    Director

    Stephen Sommerville is the Director of SPE Electrical. He has over 19 years of experience in HV power systems, gained from working in a number of different industries. Stephen is a specialist in power system studies, protection and HV earthing. He has a broad range of knowledge in a wide range of packages such as DigSILENT, ETAP, SKM, EMTP-ATP, CDEGS, PSCAD & AMTECH. As well as system studies, Stephen also has expert knowledge in power system protection, system stability and is also our resident earthing specialist.

  • Tibor Hoffman

    Associate Senior Consultant

    Tibor Hoffman is an Associate Senior Consultant with over 15 years experience gained in the mining, oil & gas and industrial sectors. He is a specialist in power system studies and has experience in both ETAP and SKM Powertools. Tibor has carried out a wide range of studies and has experience in numerous different study types.

  • Sam O'Connell

    Associate Consultant

    Sam is a specialist in power system protection and has over 12 years of direct experience in this field, gained from working in a number of different industries including T&D and Rail. He has a detailed knowledge of ERACS, ETAP and DIgSILENT and has experience in writing protection device configuration files using tools such as DIGSI, MiCOM S1 Agile, Easergy Studio and ABB PCM600.

  • Lee Milliken

    System Studies Engineer

    Lee Milliken is a System Studies engineer with over 3 years experience in transmission and distribution and switchgear design. Lee is currently completing an MSc in power systems, and specializes in power system studies such as loadflow, short circuit, motor starting, protection studies and arc-flash analysis. Lee is familiar with ETAP, DIgSILENT PowerFactory and Matlab/Simulink.

  • Callum Brown

    System Studies Engineer

    Callum Brown is a System Studies engineer with over 2 years experience in the renewables and consulting industry. He has previously worked for a successful renewable energy developer and has worked on a variety of a variety of onshore wind farms and battery energy storage systems connected to the DNO and Scottish transmission network. Callum specializes in power system studies such as loadflow, short circuit, motor starting and arc-flash analysis and is familiar with both ETAP and DIgSILENT PowerFactory.

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