SEMO

The Single Electricity Market (SEM) is the wholesale electricity market operating in the Republic of Ireland and Northern Ireland. As a gross mandatory pool market operating with dual currencies and in multiple jurisdictions the SEM represents the first market of its kind in the world.

The Single Electricity Market provides for a competitive, sustainable and reliable wholesale market in electricity aimed to deliver long-term economic and social benefits that are mutually advantageous to Northern Ireland and the Republic of Ireland.