Key TNEI Contacts

Rachel Hodges

Managing Director

Rachel joined TNEI in 2005 and has over 10 years’ experience of working in the power and energy sector covering major project design and specification through to infrastructure planning. She has strong design, development, investigation and project management skills with considerable experience in business development, contract management, CDM and managing multi-functional teams with diverse skills and experience.

Rachel’s expertise is in concept studies, strategy, impact on policy and regulations and offshore wind, wave and tidal technologies. She has led a number of offshore wind projects, ranging from concept selection through to detailed compliance studies and this has given Rachel an in-depth understanding of the technology requirements for offshore grid development and allowed her to develop strong relationships with many of the technology suppliers and major generation developers.

In her role as Managing Director, Rachel is responsible for the strategic direction of TNEI, supporting our existing clients throughout their projects. She is the main point of contact with our strategic partners in various sectors, enabling us to leverage off their experience and knowledge in international and alternative energy markets.

Through strategic partnerships with other consultancies, suppliers and organisations, TNEI is able to offer their specialist skills to a wider market, whether that be specialist power system analysis capability as part of a much larger project working with a large multi-disciplinary consultancy, full suite of EIA studies with other specialist consultants, bespoke software tools working with IT companies, or economic modelling of networks informing government policy working with management consultancies.   

Rachel is the main contact for companies looking to discuss strategic partnerships, opportunities and bespoke, unusual or multi-disciplinary projects.

Email Rachel

Nilanga Jayawarna

Operations Director

Nilanga JayawarnaNilanga is an electrical engineer with over 11 years of experience in both power systems and power electronics studies. She has a PhD in electrical engineering and a strong background in MicroGrids and distribution generation networks.

She has extensive experience in modelling of power systems and control systems, a good knowledge of power system earthing and protection, electrical machines and HVDC applications and control. She is a strong team player with proven leadership skills.

Email Nilanga

James Mackay

Head of Technical Services

James MackayJames manages the technical services team within the planning and environmental group, which provides a range of services including noise assessment, GIS / CAD mapping, shadow flicker assessments and wind farm layout design.

Since joining TNEI in 2006, James has developed a detailed knowledge of wind farm noise assessments and has worked on a huge number of projects from initial site finding and feasibility assessment through to post construction compliance monitoring and complaints investigation. In 2013/2014 James was involved in the drafting of Good Practice Guidance for wind farm noise assessment for the Institute of Acoustics (IOA GPG). The 10 strong technical services team has provided expert witness services in relation to wind farm noise at over 30 Public Inquiries and wider technical support for projects in the renewable energy, oil and gas, residential and industrial sectors.

James is the main contact for noise assessments, expert witness services, GIS / CAD mapping, wind farm layout design and shadow flicker assessments.

Email James

Ged Barrett

Business Development Manager

Ged BarrattGed is an experienced Engineer, Business Manager and Consultant both internationally and in the UK with experience in the energy sector covering Operations and Project & Account Management.

Ged’s experience in renewable energy and power distribution is complemented by his management skills developed in the aerospace industry, both in the UK and the Middle East. Ged’s key strengths are his broad range of experience in the energy sector and his natural ability to understand and deliver clients ambitions.

Email Ged

Jason McGray

Principal Consultant

Jason McGray heads up TNEI's planning and environmental team. He is a Chartered Environmentalist,  full member of the Institute of Environmental Management and Assessment and a Registered EIA Practitioner. Jason has extensive experience of coordinating, preparing and reviewing Environmental Impact Assessments and in gaining planning consent for a range of energy related projects. In addition, Jason has undertaken environmental due diligence and provided specialist input into strategic and regulatory projects working alongside TNEI's technical and engineering experts. He has supported complex projects for both private and public sector clients including Ofgem and the Crown Estate. 

Jason's wider experience includes detailed feasibility assessment, environmental permitting, socio-economic impact assessment, delivery of programmes of community engagement and financial modelling. 

Email Jason

Hazel Peat

Marketing and Communications Manager

Hazel has nine years’ experience in engineering marketing and communications, gained in the oil and gas and renewable energy industries. She is a driven and creative marketer with enthusiasm and dedication for every project she is involved in. She has a keen eye for detail and delivers targeted and integrated marketing campaigns, communicating complex messages with clarity.

Hazel is the main contact for media, memberships and events enquiries.

Email Hazel

Dr Charlotte Higgins

Principal Consultant - International Lead

Charlotte has an extensive background in the energy sector with over 15 years of experience in the field of systems analysis, particularly in power systems applications.  A particular strength of Charlotte's is her ability to provide specialist knowledge to cross function projects where a wide range of stakeholders need to be consulted and their requirements balanced to find the best technical and commercial solution.  She has expertise in technology, economic and regulatory considerations for the future development of transmission and distribution networks including integration of renewable generation, smart grids, HVDC systems and low carbon technology. 

Email Charlotte

Kumbuyani Chisoro

Southern Africa Manager

Kumbuyani is a Chartered Engineer with over 15 years' experience in the energy sector with particular focus in power systems and renewable energy projects development and grid integration. This includes a previous role as Head of Grid Engineering for RES Southern Africa where he was responsible for all technical requirements of project development through the South African Renewable Energy Independent Power Producer Procurement Programme (REIPPPP). Kumbuyani also spent 10 years working in the Republic of Ireland for EirGrid plc, the independent electricity Transmission System and Market Operator.

Email Kumbuyani