Monthly market report
Portugal PT — July 2025
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
70.03 €/MWh
-4.35 vs previous month
Negative prices
13 hours
13 settlement periods below 0
Avg daily spread
98.85 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
43.16 €/MWh
Extremes
- Cheapest period
- -1.01 €/MWh Jul 20, 14:00 UTC
- Priciest period
- 175.49 €/MWh Jul 16, 19:00 UTC
Top spike days
- 2025-07-16max 175.49 €/MWh
- 2025-07-10max 170 €/MWh
- 2025-07-21max 169.2 €/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 PT
- → 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.