Omi Polo Español, S.A. (OMIE)

Omi Polo Español, S.A. (OMIE) is the Spanish market operator for the Iberian electricity market (MIBEL). It is the entity that carries out the market-operator functions on the Spanish side of the shared Spain–Portugal electricity market, running the day-ahead and intraday electricity auctions that match supply and demand and produce wholesale power prices for the Iberian peninsula. Its counterpart on the Portuguese side is the Portuguese pole of the Iberian market operator. The evidence available for this dossier is limited and concerns corporate succession: OMIE is described as the legal successor of OMEL as market operator by way of universal legal succession. In other words, the market-operator role previously held by OMEL was transferred to OMIE through a universal succession, meaning OMIE took over OMEL's legal position, rights and obligations as market operator rather than merely acquiring selected assets. This places OMIE at the centre of the institutional architecture of the Iberian electricity market. OMIE's core activity is the operation of wholesale electricity markets. It manages the day-ahead market, in which generators and suppliers submit bids for each hour of the following day, and the intraday markets, which allow participants to adjust their positions closer to real time. The prices formed in these auctions are reference prices for a large part of the electricity traded in Spain and Portugal and influence retail tariffs, hedging contracts and cross-border trade. As a market operator, OMIE is a regulated, market-infrastructure entity rather than a conventional commercial company selling goods to consumers. Its clients are the participants in the wholesale market: electricity generators, retailers, large consumers, traders and, indirectly, the final customers whose bills reflect wholesale prices. Its revenue model is based on fees charged to market participants and on the regulated framework established for market operators. OMIE is based in Spain and operates in the Spanish and Portuguese markets that together make up MIBEL. Because the Iberian market is integrated, OMIE works alongside its Portuguese counterpart and with the Spanish and Portuguese regulators and transmission system operators. Its public communication is technical and institutional, focused on market rules, auction results, price information and market monitoring. Given the sparse evidence supplied, this dossier deliberately avoids asserting details such as the exact founding year, shareholding structure, executives or financial figures. What is well supported is OMIE's identity as the Spanish electricity market operator and its status as the legal successor of OMEL through universal legal succession.

The documented history of Omi Polo Español, S.A. (OMIE) available in the supplied evidence centres on its role as the legal successor of OMEL as market operator by way of universal legal succession. This means that the market-operator function was not simply reassigned by contract but transferred through a universal succession, a legal mechanism under which one entity steps into the full legal position of another, taking over its rights, obligations and ongoing relationships as a whole. In the context of the Iberian electricity market, this succession matters because the market operator is a central piece of market infrastructure. The operator runs the auctions that determine wholesale electricity prices, admits and manages market participants, and provides the price signals on which suppliers, generators and traders rely. A change in the identity of the market operator therefore has to be handled in a way that preserves the continuity of the market, the validity of existing contracts and the integrity of the price-formation process. Universal legal succession is the mechanism that provides that continuity. OMIE operates on the Spanish side of MIBEL, the Iberian electricity market shared by Spain and Portugal. MIBEL was built as an integrated market in which the Spanish and Portuguese systems are coupled, with market-operator functions split between a Spanish pole and a Portuguese pole. OMIE is the Spanish pole. Its activities include the day-ahead market, where hourly prices for the following day are set, and the intraday markets, which allow participants to adjust their schedules in response to changing conditions such as weather, demand or outages. Because the market is regulated, OMIE's history is closely tied to the evolution of Spanish and European electricity-market regulation. Market operators in the European Union operate within a framework of network codes and market-coupling arrangements that link national and regional markets. OMIE's auctions feed into these wider coupling processes, and its published prices are used as references well beyond the immediate participants. The evidence supplied does not provide dates for OMIE's incorporation, the precise date of the succession from OMEL, or details of its ownership and governance. This dossier therefore records the succession as the key documented historical fact and refrains from asserting a chronology that the evidence does not support. What can be stated is that OMIE is an active market operator, that it is the Spanish pole of the Iberian market, and that it holds the market-operator role as the legal successor of OMEL through universal legal succession.

• OMIE is the legal successor of OMEL as market operator by way of universal legal succession.

Regulated market operator for the Spanish side of the Iberian electricity market, acting as legal successor to OMEL.

• Day-ahead electricity market

  Auction that sets hourly wholesale electricity prices for the following day on the Spanish side of the Iberian market.

• Intraday electricity market

  Auctions allowing market participants to adjust their positions closer to real time.

1. 1Omi Polo Espanol S.A. (Omie) — Wikidatawikidata.org
2. 2OMIE official websiteomie.es