A specialist energy consultancy
Leading the energy industry into a low carbon future.
A specialist energy consultancy
Leading the energy industry into a low carbon future.
TNEI Launches TNEI Inc.
TNEI are delighted to announce that we are expanding our services into the US market. We have been supporting the renewable energy industry across the…
Leading the Charge
TNEI were delighted to recently take part in the digital series, Leading the Charge, in partnership with Excellence in Electrotechnical and Engineering Services and filmed…
Bridging the Gap: Towards a zero-carbon power grid
In partnership with Baringa, TNEI have produced a new report with Wind Energy Ireland which examines the electricity system’s potential carbon budge and will be…
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