Onshore Wind

GES offers a full-scale service in the onshore wind sector, from BoP to Assembly to O&M. Our main clients include Acciona, Alstom, Areva, Clipper, Dewind, Gamesa, Nordex, Repower, Siemens, Suzlon and Vestas.


GES carries out full BoP projects, including engineering, procurement, civil works, electrical installation and substations.


GES provides a complete solution for wind assembly, including transport and logistics, cranes and manpower.


GES also offers a broad range of O&M services to the wind sector across three main areas: wind turbines, blade repair and electrical infrastructure.

GES offers many related services, including: maintenance of electrical infrastructures, preventive and corrective maintenance, major repairs and retrofits, monitoring and control, predictive maintenance, inspection and technical advice.

Offshore Wind

GES provides assembly and O&M services in the offshore wind sector.


Our technicians provide installation services to OEMs and project companies for the assembly of all components – from the foundations to the tower sections, generator housings and rotors.


GES supplies wind turbine and blade repair O&M services in order to minimise turbine downtime, optimise energy yields and maximise return on investment.



GES provides “Turnkey projects”, electrical-mechanical installation, control systems and integral maintenance services for the solar sector. We work with some of the main solar operators, including Element Power, AES Solar, Gestamp Renewables and Fotowatio.

BoP/EPC Solar

GES BoP/EPC services for the solar PV sector cover four main areas: logistics and procurement, engineering and civil works, electrical installation and mechanical assembly.

O&M Solar

GES offers integral maintenance as well as remote 24/7 supervision and control of the electrical systems and panels on solar farms along with their associated infrastructures.