Monthly market report
Portugal PT — March 2026
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
40.77 €/MWh
+30.08 vs previous month
Negative prices
115 hours
460 settlement periods below 0
Avg daily spread
96.03 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
45.38 €/MWh
Extremes
- Cheapest period
- -10 €/MWh Mar 29, 13:30 UTC
- Priciest period
- 200 €/MWh Mar 16, 19:30 UTC
Top spike days
- 2026-03-16max 200 €/MWh
- 2026-03-10max 193.87 €/MWh
- 2026-03-04max 186.56 €/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.