Monthly market report
Ireland (SEM) IE-SEM — May 2021
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
96.71 €/MWh
+11.21 vs previous month
Negative prices
15 hours
15 settlement periods below 0
Avg daily spread
93.74 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
42.36 €/MWh
Extremes
- Cheapest period
- -12.02 €/MWh May 9, 05:00 UTC
- Priciest period
- 300 €/MWh May 12, 07:00 UTC
Top spike days
- 2021-05-12max 300 €/MWh
- 2021-05-14max 258.87 €/MWh
- 2021-05-13max 251.01 €/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.