Elprom Heavy Industries

Elprom Heavy Industries is a leading manufacturer of high-voltage equipment for the electric power industry. Formerly known as Hyundai Heavy Industries Bulgaria, we have a legacy spanning 75 years, providing our customers with innovative and reliable solutions. Our power transformers and tap changers are operational in power grids and industrial plants across more than 85 countries on 5 continents. At the core of our business are two main divisions specializing in the production of a wide range of power transformers and tap changers. We design and manufacture single and three-phase power transformers up to 275 MVA/400 kV, as well as furnace, phase-shifting, and mobile transformers. Our tap changer range includes models with ratings from 200 to A. All our products are tested and certified by internationally recognized laboratories, ensuring compliance with IEC and other relevant standards. We employ over 500 skilled and experienced professionals, including engineers, at our main facility in Sofia. Interested in joining our team? Explore career opportunities by visiting our website: