About Us

Meet the Team

TEWA Solar was launched in 2022, and we aim to bring our knowledge
to our customers and to work on highly skilled topics.

Hervé KLEISS
Hervé KLEISSCEO / Founder
Specialised in Engineering and Commissioning of photovoltaic (PV) projects, from large scale PV plants to Distributed Generation or hybrid projects, Hervé is a photovoltaic projects Swiss Army knife.

He used to be Engineering Manager of TotalEnergies Solarization project and worked for a mainstream PV Engineering, procurement, and construction on large scale PV plants in Australia, before founding TEWA Solar.

PV ENGINEERING
SYSTEMS & IT
Guillaume PERRIN
Guillaume PERRINEngineering Director
Specialised in design and commissioning of large electrical energy projects, particularly in HV, grid connection and control scopes, Guillaume has 17 years of experience in France and abroad. He worked on large projects from 50 to 400 M€ with high contractual stakes.

Guillaume worked as Engineering manager, Technical project manager and Commissioning manager for large scale companies (GE GRID, Solairedirect/ENGIE, Bouygues Energies & Services/EQUANS). He has supervised the commissioning of over 1GWp of PV projects worldwide!

Guillaume PERRIN graduated from Supélec in electrical engineering.

HV ENGINEERING
GRID CONNECTION
Clément HENRY
Clément HENRYSCADA & Automation Manager
Specialised in industrial supervision (SCADA) and communication networks, Clément HENRY was previously manager of a T&D SCADA team department. He designs and develops SCADA and automation solutions to improve efficiency and safety of energy infrastructures.

He led the development and commissioning of supervision systems for PV power plants and substations in Australia, Vietnam and France, including several projects above 200 MWp.

Clément HENRY graduated from the Ecole Nationale Supérieure d’Electricité et de Mécanique de Nancy (ENSEM).

SCADA & AUTOMATION
COMMUNICATIONS NETWORKS

Our values

BEING EFFICIENT

TEWA is the acronym of The Efficient Way

BEING EFFICIENT

Being efficient in the way of working, in the way of providing added value to our clients, and helping to provide a more efficient and sustainable energy are our main objectives.

SKILLED TEAM

The best way to derisk projets

SKILLED TEAM

Our team is composed only of highly skilled engineers, with experience of each stage of large scale project: Engineering, Construction, Commissioning, O&M.

PROVIDING IP

Our aim is to help our customers enhance their skills

INTELLECTUAL PROPERTY

Our aim is to provide knowledge, intellectual property, tools to our clients to help them being more skilled and autonomous.

A TRANSITION ACTOR

Providing our skills and expertise to the renewable industry

A TRANSITION ACTOR

We are contributing to the energy transition which is essential for all of us.