Monthly market report
Bulgaria BG — August 2025
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
75.79 €/MWh
-25.33 vs previous month
Negative prices
32 hours
32 settlement periods below 0
Avg daily spread
173.02 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
51.63 €/MWh
Extremes
- Cheapest period
- -60.57 €/MWh Aug 10, 11:00 UTC
- Priciest period
- 304.92 €/MWh Aug 14, 18:00 UTC
Top spike days
- 2025-08-14max 304.92 €/MWh
- 2025-08-12max 276.02 €/MWh
- 2025-08-13max 249.03 €/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 BG
- → 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.