EPİAŞ - Energy Exchange Istanbul

Energy Exchange Istanbul (EXIST) or Enerji Piyasaları İşletme A.Ş. (EPİAŞ) by its Turkish name is an energy exchange company legally incorporated under the Turkish Electricity Market Law and enforced by the Energy Markets Operation License granted by the Energy Markets Regulatory Authority (EMRA) of Turkey. EPİAŞ is responsible for managing and operating energy markets, including power and gas commodities. EPİAŞ ensures transparent, reliable and trustworthy market conditions as well as equal access for all market participants by providing a counterparty guarantee of the transactions.

Market settlement is performed by the market operator EPİAŞ in an efficient, reliable and transparent manner. Following settlement calculations and in line with market participants’ intraday balancing practices, EPİAŞ, in accordance with Takasbank, will notify participants of their daily down payments and the following day’s (day-ahead) market’s down-payment statements.

Shareholder Structure

  • TEIAŞ (TSO): 30%
  • Borsa İstanbul (BIST): 30%
  • Market Participants: 40%

Facts & Figures


Maslak Mahallesi Taşyoncası Sokak No:1/F F2 Blok, 34485 Sarıyer/İstanbul


Date of foundation

12 March 2015


Taha Meli Arvas

Number of employees (2022)


Annual report(s)


Traded commodities and traded volumes in 2022

Day Ahead Market

179,43 TWh

Intraday Market

17,60 TWh

Natural Gas Spot Market

2,096 billion Sm3

Renewable Energy GO Market

1,31 TWh

Europex GA member

Taha Meli Arvas


Europex contact person

Derya Erbay

Strategy Development Director

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General contact details


Enerji Piyasaları İşletme A.Ş.
Maslak Mahallesi Taşyoncası Sokak No:1/F F2 Blok
34485 Sarıyer/İstanbul