Monthly market report
Ireland (SEM) IE-SEM — July 2025
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
99.61 €/MWh
+4.37 vs previous month
Negative prices
0 hours
0 settlement periods below 0
Avg daily spread
57.6 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
22.43 €/MWh
Extremes
- Cheapest period
- 10.87 €/MWh Jul 4, 13:00 UTC
- Priciest period
- 191.7 €/MWh Jul 1, 18:00 UTC
Top spike days
- 2025-07-01max 191.7 €/MWh
- 2025-07-18max 174.5 €/MWh
- 2025-07-06max 172 €/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.