Utility scale plants

We are experts in consulting and engineering for large-scale photovoltaic installations, providing professional services in all phases of the project, from initial studies such as solar resource analysis, technical and economic feasibility, PPA contract negotiation and component selection, to detailed engineering, factory acceptance tests (FAT) and installation start-up.

Sigma is equipped with extensive expertise in the dynamic world of green energy. Not only we have the technical knowledge necessary for the development, engineering and consultancy of the project, but we are also experts in photovoltaic technology. Our knowledge and expertise of the processes of manufacturing and raw materials allow us to guarantee the highest levels of quality control.

Self-consumptions installations

We offer consulting, engineering and EPC turnkey services for domestic and industrial scale solar installations for self-consumption, both in connection to the grid and for the supply of isolated installations and microgrids.

We also offer a comprehensive advisory service that helps our clients to evaluate the technical and economic viability of their projects, whether they are new or improvements to existing installations, and their subsequent construction and legalization.

We strive to offer personalized solutions that adapt to the characteristics and requirements of our clients, always seeking to maximize the profitability of the projects we undertake.

Inspections and Due Diligence

We have extensive experience in the inspection and auditing of solar photovoltaic installations and in the evaluation of suppliers to ensure the quality of the components. Som of the services we offer are:

  • Design analysis and improvement of existing installations
  • Measurement and analysis of IV curves
  • Aerial thermographic analysis of installations, with last generation drone.
  • Electroluminescence analysis of solar panels.
  • Forensic analysis and damage assessment of facilities.
  • Factory Acceptance Testing (FAT) of components.
  • Technical evaluation of suppliers.

In addition, we offer all our services on site, with the maximum comfort for our customers.

Our Team

Sigma has a highly flexible and adaptable multidisciplinary and multicultural team of engineers and consultants who have all the means, tools and skills necessary to guarantee a high level of professionalism and quality in the work they do around the world.

Why choose Sigma


We have many years of experience in the photovoltaic solar energy industry


Fast and flexible solutions from a single source, with experience in plant engineering, module production and development.


Full service with guaranteed response times top notch solar technology and quality control

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