40 Years of Expertise: The Tools and Techniques We Use for Critical Structural Repairs

At Montoya Welding LLC, we’ve spent over 40 years perfecting our craft, led by Master Welder Raul S. Montoya. Our experience goes beyond simply joining metal; it’s about restoring the integrity and strength of load-bearing structures. When a steel beam, column, or truss is compromised by stress fractures or corrosion, the risks are immense. This is where our disciplined approach and specialized techniques truly make a difference.

The energy landscape is changing, and so are the demands on infrastructure. As the world shifts toward renewable energy and electric vehicles (EVs), the need for specialized repair and maintenance services is growing exponentially. At Montoya Welding, we’re at the forefront of this evolution, providing highly-specialized welding solutions for Battery Energy Storage Systems (BESS) and EV batteries.

These are not traditional welding jobs. They are about precision, safety, and a deep understanding of complex, high-stakes systems. Our role is to ensure these critical components remain safe, functional, and efficient, extending their lifespan and keeping the new energy economy running smoothly.

Understanding the Challenge: BESS and EV Batteries

BESS are large-scale systems, often housed in metal containers or on racks, that store energy from renewable sources like solar and wind. They are essential for stabilizing the grid, providing backup power, and ensuring a consistent energy supply even when the sun isn’t shining or the wind isn’t blowing.

Similarly, EV batteries are the heart of electric vehicles. They are housed in robust casings, typically made of aluminum or steel, that protect the delicate internal components.

When these systems are damaged — whether by impact, corrosion, or a manufacturing defect — the structural integrity of their enclosures is compromised. A small crack or puncture can lead to major issues, from system failure to potential safety hazards. This is where a generic repair is not an option. The work requires a master welder with the knowledge to handle these unique materials and environments.

Our Specialized Approach: From Casing to Rack

At Montoya Welding, we provide a range of services designed to address the specific needs of BESS and EV battery systems.

  • Enclosure and Housing Repair: The container or casing is the first line of defense for the battery modules. We expertly repair cracks, punctures, and corrosion on these shells and their supporting frames. Our precision welding ensures the enclosure is fully sealed and structurally sound, restoring its protective function. This is often the most critical aspect of the repair, and it requires working with materials that are often thin-gauge and require careful heat management.

  • Rack and Tray Restoration: Inside the BESS container, the batteries are held in place by structural racks and trays. Over time, these can suffer from fatigue or damage. We restore these components, ensuring they can continue to securely hold the heavy battery modules. Our work here is about both strength and alignment, as any misalignment can put undue stress on the system.

  • Precision Welding for EV Battery Casings: EV battery repair is a true test of a welder’s skill. The casings are often made of aluminum, which requires specialized TIG welding (Gas Tungsten Arc Welding) to repair. We use this method for its clean, precise welds that can seamlessly mend damaged aluminum or steel casings without damaging the sensitive internal components. It’s a delicate process that requires a steady hand and decades of experience.

The Montoya Welding Difference: Safety and Expertise

Our four decades of experience have taught us that the most important part of any job is safety and reliability. For BESS and EV batteries, these factors are magnified. We understand the high-voltage nature of these systems and operate with the highest levels of caution and protocol.

By choosing Montoya Welding, our clients are not just getting a repair — they’re getting a solution that:

  • Extends the Life of Valuable Assets: We help you get more value from your BESS and EV battery systems by repairing them instead of replacing them.

  • Minimizes Downtime: Our rapid response and expert execution get your systems back online quickly.

  • Ensures Safety: A structurally sound enclosure is key to preventing major failures and protecting personnel and assets.

  • As the demand for energy storage continues to grow, so will the need for expert welders who can service this next generation of infrastructure. We are proud to be a trusted partner in this transition, offering the specialized skills and proven reliability that the new energy economy demands.

Facing a repair challenge with your BESS or EV battery infrastructure? 
Contact Montoya Welding LLC at ADMIN@MONTOYAWELDING.COM to discuss how we can help.
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