Monthly market report
Great Britain GB — April 2026
Day-ahead auction, 1,440 settlement periods, computed from the same data the API serves.
Average price
82.19 €/MWh
-13.34 vs previous month
Negative prices
40 hours
80 settlement periods below 0
Avg daily spread
90.3 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
39.53 €/MWh
Extremes
- Cheapest period
- -58.54 €/MWh Apr 5, 13:00 UTC
- Priciest period
- 186.39 €/MWh Apr 13, 07:30 UTC
Top spike days
- 2026-04-13max 186.39 €/MWh
- 2026-04-01max 155.12 €/MWh
- 2026-04-08max 141 €/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.