Monthly market report
Portugal PT — September 2023
Day-ahead auction, 720 settlement periods, computed from the same data the API serves.
Average price
104.17 €/MWh
+6.26 vs previous month
Negative prices
0 hours
0 settlement periods below 0
Avg daily spread
71.03 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
26.19 €/MWh
Extremes
- Cheapest period
- 4.08 €/MWh Sep 17, 11:00 UTC
- Priciest period
- 170 €/MWh Sep 27, 18:00 UTC
Top spike days
- 2023-09-27max 170 €/MWh
- 2023-09-18max 164.12 €/MWh
- 2023-09-26max 163.77 €/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.