The UK’s withdrawal from the EU exposes existing issues with Ireland’s energy infrastructure and importantly, with the security of Ireland’s energy supply. While the impact of these issues on energy consumers is indeterminate, its impact on Ireland’s energy market is clear.

Despite this, Ireland’s energy sector has developed significantly in recent years. In 2007, Ireland transitioned to an integrated all-island energy market with the introduction of the Single Energy Market (SEM) and in 2018, Ireland began integration into the wider EU energy market with the introduction of the Integrated Single Electricity Market (I-SEM).

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