Negative electricity prices in Portugal
511.0
negative hours in 2026 (2,044 periods)
-10.00
all-time record €/MWh · Mar 29, 2026
10.5h
longest negative streak · from Mar 29, 2026
906
negative hours all-time (to 2015)
Monthly negative hours — last 18 months
Most negative days on record
14.5 h
-4.00 €
12.5 h
-0.50 €
12.3 h
-0.40 €
10.5 h
-10.00 €
10.0 h
-1.05 €
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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/Lisbon). Updated 0 seconds ago.