Monthly market report
Spain ES — January 2026
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
71.53 €/MWh
-6.4 vs previous month
Negative prices
12.5 hours
50 settlement periods below 0
Avg daily spread
71.3 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
41.87 €/MWh
Extremes
- Cheapest period
- -0.5 €/MWh Jan 31, 10:45 UTC
- Priciest period
- 200 €/MWh Jan 19, 17:45 UTC
Top spike days
- 2026-01-19max 200 €/MWh
- 2026-01-14max 184.58 €/MWh
- 2026-01-18max 180.48 €/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 ES
- → 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.