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Steels for solar energy generation systems

Solar photovoltaic plants are designed to last at least 20 to 25 years. They are built in various type of climates (tropical, industrial…), of locations (sea shores, islands…) or geological soils (including the most aggressive).

The PV panels supporting structures must withstand these conditions while generating the minimal maintenance costs. These requirements are extremely demanding, and therefore ArcelorMittal offers Magnelis®, a steel with excellent corrosion resistance, at least three times better than traditional galvanised steel. Magnelis® exhibits a self-healing effect in case of scratches and which also improves edge protection.


With excellent in-use properties and wide range of feasibility, Magnelis® is one of the best in class and most cost-effective alternatives to post-galvanised steels. Since its launch in 2012, Magnelis® has been selected by many solar players around the world to provide superior protection for long-lasting mounting structures, even in the most adverse environments, and for several very large installations.


Magnelis® range is constantly improving and enriching, and the latest innovation is a new range specially created for rammed poles in soils.

And last but not least, the combination of Magnelis® with the new high strength steel grade S550GD Hyper® offers additional opportunities of structural improvement for solar structures leading to reduced weight and costs.


Related information

Visit our Magnelis® landing page
Our brochure on steel solutions for solar installations
  Magnelis® brochure for solar in the USA
Visit ArcelorMittal Distribution Solutions - Solar Projects

Video - Magnelis® for solar

Watch the replay of the webinar: reducing the environmental footprint of PV mounting structures

Success stories

Dutch steel decks now made with ArcelorMittal's low carbon-emissions steel
Steel partnership helps to make PV sector more sustainable
Magnelis® ZM800 enables Solarport to offer longer expected lifetimes for their PV installations
Gonvarri Solar Steel and Iberdrola to install 41 MWp of solar trackers made with ArcelorMittal's XCarb® recycled and renewably produced with Magnelis® coating, for a project in Portugal
Integrated photovoltaic roof uses low carbon-emission steel for aesthetics and clean energy
Magnelis® makes solar energy generation durable
ArcelorMittal announced as strategic supplier of XCarb® steel for BP2’s integrated photovoltaic roof
ArcelorMittal at Solar Power International, Los Angeles
Magnelis® helps Meko Metal to create durable profiles for a wide range of industries
How Magnelis® is helping to fuel Eastern Europe's increase in renewable energy
  Our most recent advert - Protected by Magnelis®
Magnelis® supports 1,500 solar panels on the roof of Industeel Charleroi
Innovative floating PV system uses Magnelis® for its environmental and corrosion resistance properties
Magnelis® protects the Kristal Solar Park, the biggest in the Benelux
Dubai’s massive solar project gets Magnelis® protection
Magnelis® PV frame by Hanwha Q CELLS wins 2017 Intersolar award
Magnelis® adds value to solar projects
Protecting steel structures in CSP plants: a different approach – Interview with Dörte Reinke
The El Romero Solar farm: Magnelis® shines in desert solar power

Copyright images:

ES_SO / shutterstock.com, Forming AG, PVH, CWF