day-ahead

  • Low carbon generation

    Week-on-week day-ahead power price losses in the SEM

    The first reported week of February 2022 recorded week-on-week day-ahead power price losses in the SEM. Source: SEMO/Cornwall Insight Ireland Despite recent week-on-week price losses, day-ahead power prices remain significantly higher than the prices observed in the opening week of February last year, currently out turning 171.0% higher. Day-ahead power...

  • Low carbon generation

    SEMiversary: Analysing market volatility post I-SEM go-live

    On the first anniversary of the SEM market, we analyse how market volatility of the day-ahead power market has changed since go-live in October 2018, and what events have affected this. The day-ahead market has accounted for over 90% of ex-ante trades to date, with the remaining stake spread across...

  • Low carbon generation

    Under pressure: Price cannibalisation in the SEM

    After the publication of Project Ireland 2040 and Climate Action Plan 2019, it looks increasingly likely that renewables will be a significantly larger proportion of the generation mix. This development has and will increasingly see renewable projects look to the wholesale power market to underpin investment, a complicating factor of this...

  • Energy storage and flexibility

    All Along the Watchtower – pricing disputes in SEM

    As we enter the fourth month of the new SEM market, it is already starting to feel a little like business as usual. There are still indications of high balancing price volatility and the odd surprise in the day-ahead, not to mention continued liquidity issues in the intraday continuous market....

  • Low carbon generation

    Swan Lake… or choppy waters ahead? Credit risk management in I-SEM

    As the SEM market moves towards its Swan Song we consider the implications of risk in the new markets we are joining. Although most of us are familiar with the concepts of credit risk and protecting oneself from the failure of others to pay us, I-SEM introduces a level of...