Monthly market report
Ireland (SEM) IE-SEM — March 2026
Day-ahead auction, 742 settlement periods, computed from the same data the API serves.
Average price
128.72 €/MWh
+20.75 vs previous month
Negative prices
0 hours
0 settlement periods below 0
Avg daily spread
134.36 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
59.49 €/MWh
Extremes
- Cheapest period
- 0 €/MWh Mar 29, 13:00 UTC
- Priciest period
- 348.88 €/MWh Mar 20, 19:00 UTC
Top spike days
- 2026-03-20max 348.88 €/MWh
- 2026-03-06max 301.96 €/MWh
- 2026-03-09max 293.43 €/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.