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 I-SEM Project 

 

The wholesale market on the island is due to change considerably to take account of the requirements of the European Network Codes and the Target Model, including a change to four market timeframes. Key elements of the new I-SEM (Integrated – Single Electricity Market) market design include:

  • Active participation by supplier companies – submitting bids to purchase energy in the day-ahead and intraday markets.
  • Suppliers and generators paying / being paid based on prices and quantities determined through ex-ante (forward, day-ahead and intraday) trading.
  • Cross-zonal power flows determined based on energy market trades and power flowing from the cheaper to the more expensive bidding zone.


    General Information

If you are new to the I-SEM Project and need to find out information, you will find background resources in the links:

 

SEMO is a joint venture between EirGrid PLC and SONI Limited