Monthly market report
Great Britain GB — September 2024
Day-ahead auction, 1,440 settlement periods, computed from the same data the API serves.
Average price
77.2 €/MWh
+19.61 vs previous month
Negative prices
18 hours
36 settlement periods below 0
Avg daily spread
67.06 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
24.3 €/MWh
Extremes
- Cheapest period
- -25.71 €/MWh Sep 14, 11:30 UTC
- Priciest period
- 147.86 €/MWh Sep 16, 06:30 UTC
Top spike days
- 2024-09-16max 147.86 €/MWh
- 2024-09-07max 137.82 €/MWh
- 2024-09-28max 125.98 €/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 GB
- → 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.