Monthly market report
Ireland (SEM) IE-SEM — December 2023
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
88.97 €/MWh
-33.93 vs previous month
Negative prices
31 hours
31 settlement periods below 0
Avg daily spread
99.22 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
50.17 €/MWh
Extremes
- Cheapest period
- -10.19 €/MWh Dec 24, 05:00 UTC
- Priciest period
- 278.81 €/MWh Dec 1, 17:00 UTC
Top spike days
- 2023-12-01max 278.81 €/MWh
- 2023-12-29max 230 €/MWh
- 2023-12-05max 229.08 €/MWh
Work with this data
- → Full 15-minute history via API (2015 onwards)
- → Battery arbitrage backtest against this month's prices
- → Live forecast accuracy for IE-SEM
- → Embed the live price chart on your site — free
Data source: ENTSO-E Transparency Platform (transparency.entsoe.eu). Data source: SMARD.de, Bundesnetzagentur | CC BY 4.0. Derived statistics are Voltcast own-IP output.