Sieyuan Electric Co Ltd
Founded in 1993 and headquartered in Shanghai, Sieyuan Electric is a global leader in smart grids, ultra-high voltage (UHV) systems, renewable integration, and industrial automation. With 16 factories, over 9,500 employees, and annual revenue above USD 3.2 billion, Sieyuan delivers innovative energy solutions worldwide.
Its portfolio covers power transformers up to 500 kV (in partnership with Toshiba), high-voltage circuit breakers, GIS, switchgear, and instrument transformers—providing complete substation solutions. Committed to IEEE, CSA, and IEC standards, the company ensures reliable, efficient, and sustainable products through continuous investment in R&D and testing.
Serving utilities, renewable developers, and industries in 100+ countries, Sieyuan supports the transition to smarter, greener, and more resilient power systems.