Monthly market report
Great Britain GB — June 2026
Day-ahead auction, 1,440 settlement periods, computed from the same data the API serves.
Average price
96.2 €/MWh
-8.68 vs previous month
Negative prices
32 hours
64 settlement periods below 0
Avg daily spread
100.29 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
47.36 €/MWh
Extremes
- Cheapest period
- -42.02 €/MWh Jun 4, 14:30 UTC
- Priciest period
- 560.81 €/MWh Jun 23, 19:30 UTC
Top spike days
- 2026-06-23max 560.81 €/MWh
- 2026-06-24max 239.51 €/MWh
- 2026-06-22max 170.72 €/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.