Maysteel fabricates custom renewable energy enclosures for energy storage, battery storage, generators, solar inverters and more!
Taking the wrong design approach can lead to serious scalability issues down the road. We specialize in design for manufacturing. That means our engineers collaborate with you to ensure you’ll have a buildable and scalable energy enclosure. When partnering with Maysteel you can expect
- Faster speed to market
- Buildable designs that can quickly and easily scale
- Fabrication support for changes in demand
- Enclosures that meet rigorous standards including NEMA 3R and NEMA 4 standards


Optimize your renewable energy project logistics with global fabrication support
We understand as the world adopts renewable energy technology at a faster pace, lead time is critical. Gain a competitive edge with improved project logistics and a solid manufacturing strategy for your energy enclosures. Our fabrication footprint includes Wisconsin, South Carolina, Virginia, Texas, California and Mexico—and we maintain fabrication partnerships in Europe.
Outdoor enclosures are the best defense for the critical technology inside of renewable energy solutions.
Maysteel designs and engineers durable renewable energy enclosures and electrical cabinets to protect from the outdoor climate and environmental stressors. From outdoor NEMA enclosures to robust finishing solutions proven cabinet durability means proven success.


In today’s fast-paced energy market, time to market for battery storage, energy storage, solar inverters and other outdoor NEMA enclosures is mission-critical.
Missing an installation deadline isn’t an option. Customers rely on Maysteel’s responsive engineers and sheet metal fabrication footprint to meet timelines. By combining prototyping and testing, our dedicated 5,000 sq. ft. Innovation Center for new product development and our engineering team, we help you be the first ones to the table.
We’ve Done This Before
One thing is necessary for all renewable energy enclosures, they need to be able to last in their environments. Maysteel provides custom energy cabinets to withstand security threats and destructive forces. We routinely develop custom enclosures that meet NEMA 3R or NEMA 4 standards. Maysteel’s enclosures are built to meet your standards, including UL, NEMA and ANSI standards.