Help

System requirements for the Workstation to view the website correctly

OMIE’s public websites may be accessed via desktop computers or using the most common mobile devices (smartphones, tablets...), with each one having its own customised display.

For a traditional desktop PC, use is recommended of the browsers listed below, with a minimum resolution of 1024 x 768.

  • Internet Explorer 9 and higher
  • FireFox 3
  • Google Chrome 2

When using resolutions higher than 1280x1024, improve the display by adjusting the size using the Page->Zoom settings (Internet Explorer) and adjusting the zoom to the size that best fits the screen.


A further requirement for viewing the Market Results application and the marquee (scroll text) with an overview of the results, located in the right-hand block on the home page, is to have Adobe Flash Player 11 installed.

The mobile display automatically adapts to each device by adjusting the content to the screen size. The mobile display is designed for the following types of devices:

  • Smartphones
  • Android tablets, iPads or similar

How to delete cookies and temporary internet files

When one of the error messages listed below appears after you have requested a report through the Market Results app, you are advised to delete the cookies and temporary files from your browser.

Possible error messages:

  • “An error has occurred when receiving data”
  • “M7D availability for report 239 is incorrectly configured”
  • “Data unavailable“, provided you know for certain that the report has been published and is accessible, as this message also appears when the data have not yet been published at the time the request is made.

The deleting of cookies and temporary files depends on the browser being used. In the specific case of Internet Explorer, proceed as follows:

Go to the menu 'Tools' -> Internet Properties, and on the General tab, click Delete under Browsing History, checking all the options except the first one (so as not to preserve favourites website data)

If any messages like the ones specified above appear when accessing the internet through a corporate network that uses ‘proxy’ devices to facilitate browsing, please contact your IT support to verify whether those devices are displaying information that has already expired (cached) on the OMIE website.

With a view to obtaining the latest data on future visits to the OMIE website, you are advised to configure the browser to check for newer versions of stored pages. For example, use the following set-up with Internet Explorer:

Go to the menu 'Tools' -> Internet Properties, and on the General tab, click Settings under Browsing History and check the first option “Every time I visit the webpage”, and then click “OK” to save the settings.

Organization structure, blocks and access menus to the information (in several languages)


Design structure for public websites consists of:


Main top menu: It’s the horizontal menu located in the top of the page and allows us to access the most important sections in the website. When we are over one of the links in the top secundary menu, just below main menu, shows us the different subsections in the selected option.


Main top menu options: Located just below main top menu, shows us the different sections that it’s divided the selected option in the main top menu. We can change section making click over the respective link.


Secondary top menu: Show us four links to: Publication (with all publications and reports published by OMEL), Links (interesting links in the sector), Trading System (market operation description) and Training (information about operation courses in OMEL).

Outstanding blocks: There are seven outstanding blocks in the main page of the OMEL public website. The carrousel, with the image and basic functions of the company. Market Results, where the frame shows outstanding values of the market (arithmetic average price in Spain and Portugal, trading energy volume and economic volume…) and the link to access to market reports. The access to the description of auctions made by OMEL’s subsidiary companies. The access to the guide to become an agent and participate in the market. The Information on the company, with last news about the company. The link Publications, where you can find all reports and information published by OMEL. And finally, a direct access to the information about Markets and Products.


Footer: Located in the bottom of the page, we can find access to this help, besides other links as Contact, Frequently asked questions (FAQs), information about necessary requirements to view the website correctly and information about how to view the content of OMEL public website in a mobile device.


Browsing structure has been designed according to the needs of accessibility and simplicity in the access to the published information.

Access to the market results and the kind of information that is able to consult.


In the information published by OMEL related to the results of the processes for daily and intradaily market of electric energy, it’s emphasized the application MARKET RESULTS, which shows visually the different reports published on an ongoing and immediate time by the Market Operator..


Accessing to the application, selecting the link Market Results located in the right block of the main webpage, it will be open a new window that shows daily market hourly prices for the last session, and it can be accessed to the rest of published reports from it.


The Market Results reports available at the website can be consulted in Spanish, Portuguese and English language. The language can be selected from the top menu 'language' option. The reports are shown in Euros, however, if the information is available in Pesetas, a message will show up at the bottom of the report indicating the possibility of accessing them in that currency.


These reports are shown grouped in four report groups: the daily market report group, the intraday market report group, the average final prices report group and the prices comparison report group.


Each report group contains reports from the daily, monthly, annual and interannual ambit. The reports in the daily ambit give hourly information pertaining to the day selected; the reports in the monthly ambit provide information for all hours of the month chosen or summaries of all the days of the selected month; the reports in the annual ambit provide information for all months of the year chosen; the reports in the interannual ambit provide information for all years.


***The next link allows to download the help for Market Result application "Documento uso aplicación Resultados del Mercado"***


We show you how to access queries whose location may be less obvious:


Border commercial capacities:
Border commercial capacities after daily and intradaily market sessions are in the queries selector of the options Daily/Daily M. and Daily/Intradaily M.


Aggregate supply and demand curves:
Aggregate supply and demand curves for daily and intradaily market are in the queries selector of the options Daily/Daily M. and Daily/Intradaily M.


Market share:
Monthly shares of market programs are published first day of the next month to the next month (1st October it’s published august shares).

Market shares of the programs result of the matching process (PBC) and final viable program (PVD) are in the queries selector of the option Monthly/Daily.M.


Market shares of final hourly program after the last intradaily market session are in the queries selector of the option Monthly/Intradaily M.


Market shares of final prices, as measured energy, are in the queries selector of the option Monthly/Final P. This information is published twice: (a) provisionally, first day of the next month to the next month in which shares are published about the settled hourly program and pending availability of full measures. (b) definitely, when OMEL receives and settles the full firm measures.

You can find the next information out of Market Results application. You can access from the main page in the OMEL public website with the options: Markets and Products ->Electricity market -> Calendars and periods:

  • Tariff periods for the purpose of homogeneous losses and capacity payments: Classification for each hour of the year as the 6 tariff periods .
  • State public holidays as capacity payments and homogeneous losses: state public holidays for year, as tariff period 6.
  • Coefficients for homogeneous transmission and distribution losses.
  • Coefficients for homogeneous export losses.

You can find the next information in the Market Results application, making click on the button Historical access:

  • Deviation and emergency management.
  • Secondary and tertiary regulation: complementary services market.
  • Extra charges for measured devations: Extra charges for measured devations: These data are only published with the firm settlement calculated with full firm measurements. In months the settlement is still provisionally the page contains null values.
  • Capacity payment.

Access to the documentation with the published information and file format


The document “Información pública proporcionada por el Operador del Mercado” describes the information that the Market Operator makes public about the market results and settlements, information that is published from July 1st 2001 under Real “Decreto-Ley 6/2000” and “Resoluciones del Secretario de Estado de Economía, de la Energía y de la Pequeña y Mediana Empresa” on April 5th 2001 and May 10th 2001. The information is identified in the document with the date of its publication.


The next document describes the information that is published about the market results and settlements in the market from July 1st 2001 under “Real Decreto-Ley 6/2000” and “Resoluciones del Secretario de Estado de Economía, de la Energía y de la Pequeña y Mediana Empresa” on April 5th 2001 and May 10th 2001 and with the changes result of Market Operating Rules came into effect and were approved by “Resolución de la Secretaría General de Energía” on June 26th 2007.



Public Information provided by the Market Operator

*** Historical access: the next link provides access to the formats used until June 30th 2007: Información pública proporcionada por el Operador del Mercado (versión 4.4) - Formato PDF (87 Kb)***

The document “Modelo de Ficheros para la distribución pública de información del Mercado de Electricidad” describes in detail the files formats to exchange public information that market agents and general people can download from the public servers of the Market Operator.


The next document describes the information and its format that is published from July 1st 2007 with the changes result of Market Operating Rules came into effect and were approved by “Resolución de la Secretaría General de Energía” on June 26th 2007 and that market agents and general people can download from the public servers of the Market Operator. Additionally, changes to take into account the prices publication in EUR/MWh are incorporated from June 1st 2010.


Modelo de Ficheros para la distribución pública de información del Mercado de Electricidad


***Historical access: The next link provides access to the formats used until June 30th 2007: Modelo de Ficheros para la distribución pública de información del Mercado de Electricidad (versión 10.01) - Formato PDF (344 Kb)***

Modelo de Ficheros para la distribución pública de información del Mercado de Electricidad