Monthly market report
Bulgaria BG — May 2026
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
101.14 €/MWh
+10.22 vs previous month
Negative prices
24.5 hours
98 settlement periods below 0
Avg daily spread
214.21 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
64.54 €/MWh
Extremes
- Cheapest period
- -10.25 €/MWh May 3, 11:45 UTC
- Priciest period
- 400 €/MWh May 8, 20:45 UTC
Top spike days
- 2026-05-08max 400 €/MWh
- 2026-05-12max 300.01 €/MWh
- 2026-05-14max 286.55 €/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.