Hellenic Energy Exchange S.A.
Headquarters:110 Athinon Avenue,

104 42 Athens


Location(s):Athens, Greece
Date of foundation:2018
CEO:Dr. George Ioannou
Traded commodities and traded volumes in 2018:Day-ahead power market:

55.85 TWh

Current number of employees

(October 2019):

Annual report(s):HEnEx Annual Report 2019


Company General Information

Hellenic Energy Exchange S.A. (HEnEx) is part of the EnEx group and was founded on 18 June 2018 as a spin-off from the electricity market branch of LAGIE S.A.. Building upon experience gained over more than a decade, HEnEx has been designated by the Greek Regulatory Authority for Energy as the Nominated Electricity Market Operator (NEMO) and is operating the Greek day-ahead market, while working on the creation of an intraday electricity market and an energy derivatives market. HEnEx is also responsible for organising and operating Greek gas and environmental markets. Its subsidiary, EnEx Clearing House S.A. (EnExClear), is providing clearing and settlement services.

HEnEx is committed to providing high quality, transparent, and non-discriminatory services to all market participants, working towards the EU’s target model and coupling its market with neighbouring countries. To that end, HEnEx has become a full member of the Price Coupling of Regions initiative.

Member of the Europex General Assembly

Dr. George Ioannou, CEO

Europex contact person

Eirini Makri

  • Eirini.Makri@enexgroup.gr


General contact details

  • Hellenic Energy Exchange S.A.

    110, Athinon Avenue

    104 42 Athens


  • +30 210 336 6400
  • +30 210 336 6875
  • info@enexgroup.gr