Monthly market report
Portugal PT — April 2025
Day-ahead auction, 720 settlement periods, computed from the same data the API serves.
Average price
25.75 €/MWh
-26.86 vs previous month
Negative prices
104 hours
104 settlement periods below 0
Avg daily spread
82.9 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
32.02 €/MWh
Extremes
- Cheapest period
- -5 €/MWh Apr 27, 09:00 UTC
- Priciest period
- 170.01 €/MWh Apr 7, 19:00 UTC
Top spike days
- 2025-04-07max 170.01 €/MWh
- 2025-04-21max 160 €/MWh
- 2025-04-01max 159.37 €/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.