They operate in the electrical substations of nearly every company in Spain, the unremarkable cement kiosks at the base of power towers that quietly power the grid. Their presence spans automatic doors that separate AVE carriages, spark plugs for trains, and even vehicle wipers. They supply equipment for brands like Alstom and Siemens as well. More importantly, Premium PSU designs and manufactures power conversion systems for high-tech industries that demand customized solutions. The ambition now is for their name to appear on electric vehicle chargers in shopping centers, hotels, and public charging points. This visibility is viewed as the fastest route for electric mobility in Spain to gain traction in the eyes of the Catalan family business.
In broad terms, Premium PSU specializes in premium power conversion. The executive team describes the business as a company that makes power solutions by analogy with a mobile charger. In the words of Jordi Gazo, the CEO, the company builds power supplies that take alternating current from household outlets and convert it into the direct current required to run devices at scale. In essence, they do the same job for industrial applications.
Premium PSU traces its roots to 1981, when Premo Group began gathering requests for bespoke solutions. This eight-company group evolved into a focused venture under the Premium PSU banner, driven by demand from users seeking custom outcomes. After roughly a quarter of a century, the owner family sold everything except this company, which grew into a multi-million euro operation. Today, about 15 years later, the firm employs around 110 people and expects turnover to reach 16 million euros this year, with a plan to double that figure to 30 million euros within two years.
To realize this growth, two new business lines were launched. The first develops rectifier cabinets for power utilities, a product with a significantly higher price point than their existing development work. The second unit, known as Floox, marks Premium PSU’s formal entry into the electric mobility market.
“We entered the fast charging space because it is a technically demanding product with high added value, enabling drivers to top up their cars in under thirty minutes,” says the executive team. “These fast and ultra-fast chargers are typically located along busy corridors rather than in private parking spaces that can take eight to twenty hours to charge a vehicle.” The rapid charging segment is deemed essential to accelerating consumer adoption of electric vehicles.
The company has already invested 1.5 million euros in this space and plans to hire 15 more staff to support growth. Three different power chargers are already in development, and serious discussions are underway with major buyers across the sector.
Additionally, Premium PSU is exploring further products with enhanced capabilities. Two research streams are active: a bidirectional charger that allows a plugged-in vehicle to return energy to the grid, and wireless charging. The bidirectional approach would repurpose technology already used in rail applications, while wireless charging faces technological hurdles that must be resolved before broader adoption.
Premium PSU remains clear about the future of charging: the move toward cable-free systems. The company envisions an induction-based charging ecosystem that could simplify the user experience, but a key challenge persists. Installing a ground-based charging source and bridging the distance to the vehicle creates a notable energy loss. Despite the obstacles, the team is pursuing evidence that this technology can become viable in the near future, with early indicators expected next year.
Looking ahead, two additional avenues are under consideration. The leadership notes strategic plans to expand across multiple industries, emphasizing that every machine requires an energy conversion system. While renewable energy markets have faced scrutiny and volatility, the company believes that its core competencies in power conversion remain broadly transferable across sectors and applications. These plans reflect a broader belief in scaling capabilities through diversified offerings across energy, mobility, and industrial technology.