Monthly market report
Portugal PT — April 2026
Day-ahead auction, 2,880 settlement periods, computed from the same data the API serves.
Average price
42.69 €/MWh
+1.92 vs previous month
Negative prices
110.3 hours
441 settlement periods below 0
Avg daily spread
99.14 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
41.04 €/MWh
Extremes
- Cheapest period
- -7.51 €/MWh Apr 5, 13:00 UTC
- Priciest period
- 157.47 €/MWh Apr 16, 06:00 UTC
Top spike days
- 2026-04-16max 157.47 €/MWh
- 2026-04-15max 143.34 €/MWh
- 2026-04-08max 137.61 €/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.