Monthly market report
Ireland (SEM) IE-SEM — December 2021
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
250.4 €/MWh
+45.74 vs previous month
Negative prices
0 hours
0 settlement periods below 0
Avg daily spread
192.3 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
83.6 €/MWh
Extremes
- Cheapest period
- 0 €/MWh Dec 31, 03:00 UTC
- Priciest period
- 495.67 €/MWh Dec 22, 17:00 UTC
Top spike days
- 2021-12-22max 495.67 €/MWh
- 2021-12-20max 492.36 €/MWh
- 2021-12-23max 471 €/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.