A specialist energy consultancy
Leading the energy industry into a low carbon future.
Future Operability of Gas for System Integration (FOGSI): An Industry Collaboration
In future energy systems, the optimal operation of integrated energy networks – electrical, blended natural gas and hydrogen, pure hydrogen and heat – will require much greater coordination between them, including through storage import and
Completion of Electricity Systems Restoration (ESR) Competitive Tender Rounds
Since the launch of NESO’s ESR tender in 2022, TNEI has assessed the capability of over 3.9GW of transmission and distribution connected assets to support in restoration service provision. The 19th of May 2025 ITT2
TNEI takes Geneva: Our Highlights from CIRED 2025
Sarah Sheehy, Rosemary Tawn, Mohamed Galeela and Nathanael Sims recently attended CIRED 2025 in Geneva bringing together contributors from across the globe, including utilities, manufacturers, academia, and innovators, to share insights and advancements in the planning
A specialist energy consultancy
An independent specialist energy consultancy providing technical, strategic, environmental and consenting advice to organisations operating within the conventional and renewable energy sectors.
- Operating since 1974
- Technical & strategic advice
Leading the energy industry into a low carbon future
Leading the energy industry into a low carbon future
Industry Leading Expertise.
Our clients span the entire energy system in the UK and overseas, and know they can count on us to deliver stellar analysis skills and innovative solutions.
Diverse capability. Seamless delivery.
As an independent SME, we take a more tailored approach to our projects – whether they are technical, strategic or environmental, or a hybrid mix – and bring together multi-skilled teams who deliver as one.
Rapport-builders. Problem-solvers.
We steer clients through the most complex of engineering issues. As an independent consultancy, we stay proactive and responsive to their needs in the ever-shifting energy landscape powering towards net-zero
