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WITH EXPERIENCE IN OVER 400 PROJECTS WORLDWIDE
WE ARE LEADERS IN RENEWABLE ENERGY PROJECT MANAGEMENT AND SUPERVISION.

Who are we?

We are SEYSES, an international company dedicated to the comprehensive management of renewable energy projects. We excel in the supervision and control of large and medium-scale projects in the Americas and various Mediterranean countries, always prioritizing quality, meeting deadlines and budgets, ensuring worker safety, and protecting the environment.
Get to know us
Our services

01

Construction Management

We provide security to the asset owner and enhance the capabilities of the EPC contractor and technologist.
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02

Operation and Maintenance

We plan, execute, and supervise all Operations and Maintenance (O&M) activities of the project to achieve the expected ratios and maximize plant uptime.
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03

Site Control

We ensure that each company, person, and piece of machinery has the necessary documentation controls before accessing a project.
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01

Construction Management

We provide security to the asset owner and enhance the capabilities of the EPC contractor and technologist.

Know More

02

Operation and Maintenance

We plan, execute, and supervise all Operations and Maintenance (O&M) activities of the project to achieve the expected ratios and maximize plant uptime.

Know More

03

Site Control

We ensure that each company, person, and piece of machinery has the necessary documentation controls before accessing a project.
Know More
Renewable projects
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Countries with subsidiaries
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GW in managed projects
0
Million tons of CO2 avoided.
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Select the country to view our portfolio
of featured projects from each region:

Solar Farms

2

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0.4




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Solar Farms

50

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12.6




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Wind Farms

14

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2.6




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Other Proyects

1

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Solar Farms

26

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1.6




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Wind Farms

4

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0.8




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Solar Farms

10

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3.7




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Wind Farms

1

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0.1




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Solar Farms

98

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7.3




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Wind Farms

21

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3.9




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Other Proyects

5

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0.8




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Solar Farms

107

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9.2




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Wind Farms

5

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0.3




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Other Proyects

8

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0.5




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Solar Farms

19

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1.2




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Wind Farms

12

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0.9




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Other Proyects

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0.5




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Client testimonials

COLBÚN

«Chile has a highly developed culture focused on safety, health, and worker protection. We have trusted SEYSES for the complete oversight of all collaborating companies, people, and machinery involved in the construction of the Horizonte Wind Farm. The extensive experience of their local team, their effective interaction, and proactivity with the subcontracted companies have allowed us to maintain a high level of control without hindering construction and operation.»

Andrés Figueroa
Senior Project Manager

ATLAS Renewable Energy

«It was a pleasure to have the SEYSES team for the construction of the Sol del Desierto PV project. Their contribution was essential, and they were able to ensure that the project was executed according to the schedule while maintaining the project’s quality specifications. Their team worked very positively with both the Atlas staff and our EPC.»

Javier González
Senior Project Manager

OPDEnergy

«Sol de los Andes was a complex and remote project. SEYSES’ Technical Inspection of Works (ITO) team was able to monitor progress, minimizing issues or delays that arose throughout the construction of the park. For a developer like us, it gives us great peace of mind to trust an expert like SEYSES.»

Sebastián Ulloa
Senior Project Manager

AGUAS ANDINAS

«SEYSES has been providing us with the Technical Office service since 2021. Over these years, in the Risk and Infrastructure Management of Aguas Andinas, we have been able to verify their experience in the field of Electronic Security, as well as the contribution of a great team, which has had a direct impact on this Management’s ability to achieve its goals.»

Carlos Hidalgo
Head of Risk and Infrastructure

Statkraft

«We know their technology and human capital well. At STATKRAFT, we have decided to trust their service to efficiently manage our main contractors and their subcontracting chain. It is essential that their team is fully familiar with the applicable law in Spain regarding Health and Safety. I would highlight the level of reporting and the internal organization for document validation within less than 24 hours, which allows us to meet project timelines without sacrificing the level of control we need.»

Diego Molina
HSEQ Manager

Pattern Energy

«During the construction of the San Matías wind project, we found in SEYSES the perfect ally as a technical advisor. On-site, their team of technical engineers was responsible for the supervision of each phase and area of the project (civil, mechanical, electrical, commissioning, health and safety, quality, environment, etc.), helping us meet the established technical standards and schedule.»

Rodolfo Trujano
Senior Project & Construction Manager

Prodiel

«La Pimienta has been a complex project, in a remote area with challenging geography. SEYSES professionals have worked well with both the owner and the EPC to find solutions that helped us steer the project and complete it on time and within budget. I was impressed by their perseverance and their ability to find pragmatic solutions.»

Álvaro Manso
Project Leader Mexico & Chile and Corporate O&M Manager

Zelestra

«From Zelestra, we trust SEYSES as an expert for Document Control, Accreditation, and Access Control of Contractors in all our projects worldwide, both in the E&C and O&M phases. Specifically in Colombia, their team of expert technicians verifies daily the documentary compliance of all companies involved in our solar projects FV La Mata (Córdoba) and FV La Unión (César), minimizing our risks and liabilities and providing transparency to all our area managers.»

Laura Rodríguez
QSHE Advisor

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SEYSES is committed to delivering excellence in medium and large-scale renewable energy projects. We guarantee compliance with regulations and operational efficiency, ensuring quality and safety at every phase.

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About us

Services

– Construction Management

– Operations and Maintenance

– Site Control

Contact

Contacts

info@seyses.com

USA   +1 (833) 673-9737

MÉXICO   +52 55 6539 5837

COLOMBIA  +57 312 632 5033

BRASIL   +55 11 37976547

CHILE   +56 9 9917 7836

SPAIN   +34 854 791 002

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