Monthly market report
Ireland (SEM) IE-SEM — September 2021
Day-ahead auction, 720 settlement periods, computed from the same data the API serves.
Average price
195.57 €/MWh
+64.09 vs previous month
Negative prices
0 hours
0 settlement periods below 0
Avg daily spread
168.7 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
65.41 €/MWh
Extremes
- Cheapest period
- 0 €/MWh Sep 30, 01:00 UTC
- Priciest period
- 500 €/MWh Sep 6, 17:00 UTC
Top spike days
- 2021-09-06max 500 €/MWh
- 2021-09-09max 464.9 €/MWh
- 2021-09-13max 440 €/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.