Mefta Green Transfo Energy Poland Sp. z o.o. (Poland)

Mefta Green Transfo Energy Poland Sp. z o.o. is a Polish manufacturer of medium-voltage distribution transformers, operating the Mikolow Transformer Factory. Its business includes the design and production of oil-immersed distribution transformers, transformers with on-load tap changers, special oil-filled and high-power transformers, and dry-type resin transformers including Trihal units manufactured under Schneider Electric licence. It also offers environmentally friendly transformers cooled with biodegradable fluids and provides technical support and after-sales service. The plant comprises around 15,000 square metres of production and storage halls and specialises in transformers up to 7 MVA and 36 kV for oil-filled units and up to 6 MVA and 36 kV for dry-type units, with all key components manufactured in-house. Products are supplied to power networks, industrial clients and individual customers worldwide, with exports supported by decades of brand heritage under AEG, Alstom, Areva and Schneider Electric. The company forms part of the Green Transfo group within the French Cahors power engineering group. Key assets include the Mefta Green Transfo brand, the SPHERA product families, longstanding manufacturing expertise and integration into the Cahors industrial network with certified quality and environmental management systems. Strategically, the company positions itself as a competence centre for medium-voltage transformers and an active contributor to the energy transition, emphasising product reliability, sustainable production and climate-neutral development.