In the United States, EVRAZ, a steel company, is commissioning a 300 MW solar farm which will power the world's largest solar-powered steel plant; Turkish steelmaker Tosyali uses a 140-MW rooftop PV array, one of the world's largest, to reduce its carbon. . In the United States, EVRAZ, a steel company, is commissioning a 300 MW solar farm which will power the world's largest solar-powered steel plant; Turkish steelmaker Tosyali uses a 140-MW rooftop PV array, one of the world's largest, to reduce its carbon. . The integration of solar energy is helping usher in a new era of more sustainable steel production, with facilities making the switch to renewable power. As the world becomes more and more focused on limiting the global temperature rise, industries across the planet are working to limit their. . The photovoltaic industry is quite literally built on steel. As a crucial component of racking and trackers for solar PV systems, a reliable steel supply is a necessity for the transition to solar-powered energy. These constructions can be either ground-mounted (placed directly on the ground) or roof-mounted (connected to a building's roof). Conventional steel production involves using fossil fuels, which emit significant amounts of CO2. Solar energy, however, offers a renewable alternative that can drastically reduce. . At the core of this framework is steel, beginning with sturdy racking systems used to secure and position solar panels, both on rooftops and solar farms.