Monthly market report
Portugal PT — June 2026
Day-ahead auction, 2,880 settlement periods, computed from the same data the API serves.
Average price
70.31 €/MWh
+16.26 vs previous month
Negative prices
56.5 hours
226 settlement periods below 0
Avg daily spread
132.08 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
51.46 €/MWh
Extremes
- Cheapest period
- -2 €/MWh Jun 7, 14:00 UTC
- Priciest period
- 185.9 €/MWh Jun 22, 20:00 UTC
Top spike days
- 2026-06-22max 185.9 €/MWh
- 2026-06-23max 185.01 €/MWh
- 2026-06-15max 165.2 €/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.