Monthly market report
Ireland (SEM) IE-SEM — June 2025
Day-ahead auction, 720 settlement periods, computed from the same data the API serves.
Average price
95.24 €/MWh
-13.2 vs previous month
Negative prices
4 hours
4 settlement periods below 0
Avg daily spread
97.58 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
38.78 €/MWh
Extremes
- Cheapest period
- -5.17 €/MWh Jun 1, 13:00 UTC
- Priciest period
- 224 €/MWh Jun 24, 21:00 UTC
Top spike days
- 2025-06-24max 224 €/MWh
- 2025-06-01max 212 €/MWh
- 2025-06-08max 205 €/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.