Private company

Protergia

Logo: protergia.gr4

Greek utility service company

Protergia is the biggest private company for the production and supply of electricity and natural gas in Greece. It is a subsidiary and is 100% owned by the Metlen Energy & Metals.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

  • HeadquartersAthens1
  • Websitewww.protergia.gr
  • Legal formAnonymi Etaireia1
  • LEI213800DHU6PT1H6NEO593
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address8 ARTEMIDOS, 151 25 Amarousio, Greece3
  • Registered withUnion of Hellenic Chambers, 0090841010003

See how the biggest companies compare on our leaderboards

Protergia is the biggest private company for the production and supply of electricity and natural gas in Greece. It is a subsidiary and is 100% owned by the Metlen Energy & Metals.2

Corporate structure

Protergia is part of a group headed by METLEN ENERGY & METALS PLC. 28 entities, 9 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • METLEN ENERGY & METALS PLC London, United Kingdom
    • Metlen Energy & Metals Marousi, Greece
      • Protergia Amarousio, Greece
      • Sometra Copsa Mica, Romania
      • Aluminium of Greece Subsidiary · Marousi
        • DELPHI-DISTOMON Subsidiary
      • M&M Gas Subsidiary · Athens, Greece
      • METKA Subsidiary · Athens
      • AIOLIKI ANDROU TSIROVLIDI S.A. (ΑΙΟΛΙΚΗ ΑΝΔΡΟΥ ΤΣΙΡΟΒΛΙΔΙ ΑΝΩΝΥΜΗ ΕΤΑΙΡΕΙΑ) Subsidiary · Marousi, Greece
      • AIOLIKI TRIKORFON S.A.OF PRODUCTION AND TRADING OF ELECTRIC ENERGY Subsidiary · Marousi, Greece
      • EGNATIA EKMETALLEUSI KAI DIACHEIRISI AKINITON MONOPROSOPI ANONYMI ETAIREIA Subsidiary · Stavroupoli Thessaloniki, Greece
      • EGNATIA MECHANICAL CONSTRUCTIONS SOLE-PERSON COMPANY Subsidiary · Thessaloniki, Greece
      • EGNATIA WIND ENERGEIAKI MONOPROSOPI ANONYMI ETAIREIA (ΕΓΝΑΤΙΑ WIND ΕΝΕΡΓΕΙΑΚΗ ΜΟΝΟΠΡΟΣΩΠΗ ΑΝΩΝΥΜΗ ΕΤΑΙΡΕΙΑ) Subsidiary · Marousi, Greece
      • EOLIKI SIDIROKASTROU SOCIETE ANONYME (ΑΙΟΛΙΚΗ ΣΙΔΗΡΟΚΑΣΤΡΟΥ ΑΝΩΝΥΜΗ ΕΤΑΙΡΕΙΑ) Subsidiary · Marousi, Greece
      • EP.AL.ME S.A. (ΕΠΕΞΕΡΓΑΣΙΑ ΑΛΟΥΜΙΝΙΟΥ ΜΕΤΑΛΛΟΒΙΟΜΗΧΑΝΙΑ ΕΠ.ΑΛ.ΜΕ Α.Ε.) Subsidiary · Marousi, Greece
      • KORINTHOS POWER SOCIETE ANONYME OF GENERATION AND TRADING OF ELECTRICITY Subsidiary · Marousi, Greece
      • MC11 KATASKEVI KAI DIACHEIRISI ARDEFTIKOU DIKTYOU YPEREIAS - ORFANON EIDIKOU SKOPOU SOCIETE ANONYME Subsidiary · Karditsa, Greece
      • MC17 Kataskeyi kai Diacheirisi Scholeion Kentrikis Makedonias Anonymi Etairia Eidikou Skopou Subsidiary · Marousi, Greece
      • METKA - EGN LTD Subsidiary · Strovolos, Cyprus
      • METKA A.E. OMILOS EPICHEIRISEON S.A. (ΜΕΤΚΑ Α.Ε. ΟΜΙΛΟΣ ΕΠΙΧΕΙΡΗΣΕΩΝ) Subsidiary · Amarousiou, Greece
      • METKA EGN AUSTRALIA HOLDINGS TWO PTY LTD Subsidiary · Melbourne, Australia
      • METLEN INTERNATIONAL TRADING COMPANY AG Subsidiary · Baar, Switzerland
      • MYT ENERGY CLUSTER HOLDING S.R.L. Subsidiary · Milano, Italy
      • POWER PROJECTS SANAYI INSAAT TICARET LIMITED SIRKETI (POWER PROJECTS SANAYİ İNŞAAT TİCARET LİMİTED ŞİRKETİ) Subsidiary · Istanbul, Turkey
      • RENEWABLE SOURCES OF KARYSTIA SINGLE MEMBER SOCIETE ANONYME Subsidiary · Marousi, Greece
    • DEMETER SUN POWER PRIVATE LIMITED Subsidiary · Gurgaon, India

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Leadership

Who has led Protergia, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Parent company

Subsidiaries

Ultimate parent

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Jan 1, 2025Parent Directly consolidated by Metlen Energy & Metals3
  2. Oct 7, 2009Founded Protergia is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
  4. 4
    Company websiteProtergia logo