- Business
- Admie Holding S.A. operates as a holding company primarily engaged in the electricity transmission sector in Greece. It controls, maintains, and develops the national electricity transmission system through its majority ownership (51%) of the Independent Power Transmission Operator (IPTO S.A.). The company’s core offerings include electricity transmission system operation, infrastructure development, maintenance services, transmission system data and performance reporting, and tariff management for new grid connections. Admie Holding conducts substantial investments in modernizing and expanding the electricity grid to support Greece’s energy transition and enhance supply security.
Founded in 2017 and headquartered in Athens, Greece, Admie Holding operates primarily in the Greek market, overseeing strategic projects such as the Crete-Peloponnese interconnection and the Ariadne Interconnection project connecting Greece with Italy. Its subsidiaries include Ariadne Interconnection Single Member S.p.S.A., Grid Telecom S.M.S.A., and Great Sea Interconnector S.M.S.A., underpinning specialized infrastructure ventures. The company’s recent strategic changes include the sale of a 20% minority stake in Ariadne Interconnection Single Member S.p.S.A. to State Grid International Development Belgium Ltd for €62 million, finalized in 2024. Additionally, it signed landmark agreements to advance major energy projects that enhance cross-border interconnections and electricity transmission capacity, aligning with its €5.4 billion investment program through 2030 focused on sustainable and reliable energy infrastructure development.
Admie Holding’s business model centers on energy transmission system operation and development in the electrical utilities industry, targeting electricity suppliers, grid users, and regulatory bodies in Greece and broader Europe. Its strategic initiatives exhibit a shift towards green energy projects and international grid connections, positioning it as a key facilitator in the European energy transition landscape. The company maintains a strong financial profile with expanding revenue and investment in innovative infrastructure, serving as a backbone for the national electricity network and cross-border energy integration in Southeast Europe.