Negative electricity prices in Slovenia
230.5
negative hours in 2026 (898 periods)
-500.00
all-time record €/MWh · Jul 2, 2023
13.0h
longest negative streak · from Jul 2, 2023
922
negative hours all-time (history to 2015)
Monthly negative hours — last 18 months
Most negative days on record
| Date | Negative hours | Deepest price (€/MWh) |
|---|---|---|
| 2026-07-05 | 18.5 | -0.52 |
| 2023-07-02 | 13.0 | -500.00 |
| 2019-03-17 | 11.0 | -20.23 |
| 2024-10-13 | 11.0 | -11.65 |
| 2026-04-05 | 10.0 | -73.80 |
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Negative prices are an opportunity — if you see them coming.
Our negative-price risk API gives P(price<0) per 15-minute period up to 14 days ahead, Brier-scored publicly. The negative_prices webhook fires seconds after the auction.
Data: ENTSO-E Transparency Platform · SMARD.de, Bundesnetzagentur. Zone-local time (Europe/Ljubljana). Updated 10 minutes ago.