The 3.14 MWp ground-mounted photovoltaic plant, located at Grupo Baux’s production site in Segorbe, Castellón, is one of the largest self-consumption solar projects in Spain’s aluminium sector.
The energy transition in industry is no longer a future ambition. It is becoming a tangible reality, built project by project. Helexia Spain, part of the Voltalia Group and a specialist in energy efficiency and solar energy solutions, has successfully completed the commissioning of a ground-mounted photovoltaic self-consumption plant for Grupo Baux, Compañía Valenciana de Aluminio Baux.
Located at Grupo Baux’s production centre in Segorbe, Castellón, the project represents a significant step forward in the decarbonisation of an energy-intensive industrial sector. With an installed capacity of 3.14 MWp, the plant reinforces Grupo Baux’s commitment to circular economy, energy efficiency and lower-carbon aluminium production.
The installation includes 5,278 high-efficiency photovoltaic modules and is expected to generate approximately 5,214 MWh of clean electricity per year. This will help avoid the emission of around 537 tonnes of CO₂ annually, equivalent to the estimated absorption capacity of more than 24,400 trees.
For industries such as aluminium, where energy consumption is a critical factor directly linked to operating costs, industrial photovoltaic self-consumption offers immediate strategic value. By producing renewable energy on site, Grupo Baux will be able to cover a substantial share of its electricity demand. Under optimal conditions, the plant can supply up to 100% of consumption in non-casting processes and approximately 60% of consumption in hot-casting processes.
Beyond its environmental impact, the project strengthens Grupo Baux’s long-term competitiveness. By generating part of its own electricity at a predictable and competitive cost, the company reduces its exposure to energy market volatility, improves visibility over production costs and advances its ESG strategy.
Etienne Le Pargneux, Country director of Helexia Spain, commented:
“Installing more than 3 MW of photovoltaic self-consumption capacity in such an energy-intensive sector as aluminium is not only an environmental decision. It is a strategic decision that protects the company’s long-term competitiveness. We are proud to have acted as the technical and financial partner that made this step possible.”
Gerardo Caniego, Executive Vice-President of Grupo Baux, added:
“For Grupo Baux, sustainability is not a final destination, but the driving force behind our daily activity. As a reference in circular economy, the commissioning of this photovoltaic plant with Helexia is another step forward in our decarbonisation strategy. Producing our own clean energy on site allows us to reduce the carbon footprint associated with our processes and continue moving towards increasingly sustainable aluminium production, offering our customers a high-value product that is more respectful of the environment.”
This project demonstrates how self-consumption solar energy can support the transformation of industrial activity by combining decarbonisation, cost control and competitiveness. For energy-intensive sectors, on-site renewable energy is becoming an increasingly important lever to build more resilient, efficient and sustainable operations.
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