Information on natural gas and electricity

See more details about the market, associations and existing regulation


  • CNMC

    The National Commission on Markets and Competition (CNMC or Comisión Nacional de los Mercados y la Competencia in Spanish)

    An entity that promotes and defends the proper functioning of all markets, in the interest of consumers and businesses.


    Enagás, S.A. is the main transporter of natural gas in Spain and the technical manager of the Spanish Gas System.


    System Operator Information System

    Company responsible for high voltage transmission and for the operation of the national electricity system.

  • REE

    Spanish Electrical Network

    Spanish business group acting as operator of the electricity system in the Spanish electricity market.



    Non-profit association that brings together all corporations, bodies and individuals committed to the development of the piped gas industry.


    Spanish Cogeneration Association

    Resulting from the integration of the Electricity Self-generators Associations, the Catalan Cogenerators Association and the Galician Association for the Promotion of Cogeneration Plants.

  • EFET

    European Federation of Energy Traders

    Association of European energy traders in wholesale electricity and gas markets.


    Iberian Association of compressed natural gas (CNG) and liquefied natural gas (LNG) as alternative fuels for road, railway and maritime transport.



    Iberian Gas Market

    Responsible for the operational and financial management of the Organized Gas Market.

  • OMIE

    Iberian energy market operator

    It manages the wholesale electricity market, where buying and selling agents trade the necessary quantities (MWh) with public and transparent prices.