Monthly market report
Great Britain GB — July 2026
Day-ahead auction, 1,482 settlement periods, computed from the same data the API serves.
Average price
106.24 €/MWh
+10.04 vs previous month
Negative prices
38 hours
76 settlement periods below 0
Avg daily spread
87.61 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
40.24 €/MWh
Extremes
- Cheapest period
- -20.05 €/MWh Jul 26, 09:00 UTC
- Priciest period
- 194.72 €/MWh Jul 29, 19:30 UTC
Top spike days
- 2026-07-29max 194.72 €/MWh
- 2026-07-16max 194.6 €/MWh
- 2026-07-09max 180 €/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.