Who we are
Specialists in solutions for the energy transition
Our company
We are a company specializing in solutions for the energy transition and the design and implementation of photovoltaic systems for self-consumption for industries and companies of different sectors, as well as residential areas.
Voltfer is integrated into the division of Renewable Energy and Energy Efficiency of the Group Alvariño, a business group of cross-cutting nature that a sum almost 80 years of experience in different areas of activity. Opt for a model of sustainable economic growth and responsible for our company. Therefore, in the development of our activities we are guided by the criteria ESG, looking for the sustainability of environmental, social and corporate governance


Our company
We are a company specializing in solutions for the energy transition and the design and implementation of photovoltaic systems for self-consumption for industries and companies of different sectors, as well as residential areas.
Voltfer is integrated into the division of Renewable Energy and Energy Efficiency of the Group Alvariño, a business group of cross-cutting nature that a sum almost 80 years of experience in different areas of activity. Opt for a model of sustainable economic growth and responsible for our company. Therefore, in the development of our activities we are guided by the criteria ESG, looking for the sustainability of environmental, social and corporate governance
Mission
Our goal is to achieve the satisfaction of our CLIENTS from a solid bet for our TEAM.
The key to good make Voltfer resides in the involvement of people who are part of this project. For this reason, we seek to provide a safe work environment, positive, respect and equality for the professionals of our company. We firmly believe in the unity and team work, the two-way communication and participation in decision making, personal development, confidence, and recognition of the achievement as the best values to attract the talent. We encourage the formation as a road indispensable for career advancement, always with innovation as the horizon.
The basic pillars for the sustainable growth of the company lie in the quality of the facilities that we design and execute, reaching the highest standards in terms of safety and regulatory compliance, at a fair price. We believe in communication as a critical pathway for the good of the company, both with the client and internal.
The pursuit of continuous improvement and innovation are the main coordinates that guide the trajectory of the company.
All with the mission of giving the best response to our clients ' needs, seeking to exceed their expectations from a clear vocation of service.
Vision
Values
Our history
The Group Alvariño is today present in businesses as diverse as renewable energy, digital technologies, new mobility, investments, real estate, insurance or the car.
In recent years, this group family business, founded in Vigo in 1944 by D. Salvador Fernandez Troncoso (1916 - 2014) and is currently in the hands of the third generation, is making a strong commitment to the sectors of the new economy, with the energy sector (renewables and energy efficiency) and ICT as growth areas preferred.
The consolidated position of their businesses in these sectors allows the Group to Alvariño to have a win-win situation for the development of new business projects related to digitalization, sustainable mobility and the green economy.
In this last segment, the Group Alvariño was a pioneer in the bet on the energy transition in Galicia. Almost 20 years ago laid the seed for its division of Renewable Energy with the commissioning of several photovoltaic plants have been the basis for the growth of the activity of their companies in the sector.
Today, the division of the Group Alvariño focused on the Energies, especially in the photovoltaic and energy efficiency, it is a relevant actor in the ecosystem of companies that are driving the energy transition in Galicia and other areas of Spain in which the Group is present, contributing to the improvement of the sustainability of the business and industry that rely on their services.
Management team

J. Manuel Fernández Alvariño
President

José María Fariña Grandson
Director of Voltfer
Proyectos
Laias Caldaria
Potencia: 100 KWp
Producción: 130.000 KWh/año
Tiempo de ejecución: 2 semanas
Aira
Potencia: 166 KWp
Producción: 207.500 KWh/año
Tiempo de ejecución: 3 semanas
Frigoríficos del Morrazo
Potencia: 180 KWp
Producción: 171.791 KWh/año
Tiempo de ejecución: 6 semanas
Mascato
Potencia: 280 KWp
Producción: 301.602 KWh/año
Tiempo de ejecución: 6 semanas
Frialia
Potencia: 330 KWp
Producción: 379.516 KWh/año
Tiempo de ejecución: 6 semanas
Frioya
Potencia: 314 KWp
Producción: 424.000KWh/año
Tiempo de ejecución: 6 semanas
Pereira
Potencia: 364,14 KWp
Producción: 361.054 KWh/año
Tiempo de ejecución: 2 semanas
Casa Botas
Potencia: 580 KWp
Producción: 620.551 KWh/año
Tiempo de ejecución: 6 semanas
Friotea
Potencia: 1.100 KWp
Producción: 1.281.762KWh/año
Tiempo de ejecución: 9 semanas
Ctag
Potencia: 312,29 KWp
Producción: 346.504KWh/año
Tiempo de ejecución: 7 semanas
Enor
Potencia: 237,6 KWp
Producción: 211.435 KWh/año
Tiempo de ejecución: 4 semanas
Bimba y Lola
Potencia: 200 KWp
Producción: 110.694 KWh/año
Tiempo de ejecución: 2 semanas