Negative price hours

Sweden had more hours below zero than any country in Europe in 2024 and 2025. This table keeps score for every Nordic zone and Romania: hours so far this year, the same period last year, the full previous year, and the cumulative curve for any zone.

SE4 leads 2026 with 335 hours below zero through 15 Nov 2026, against 423 in the same period of 2025. Hours are day-ahead hours with a price under 0 EUR/MWh; quarter-hours count as 0.25 h.

#Zone2026 YTDShare Same period 2025ChangeFull 2025Lowest priceSince
1SE4
335.0 h
1.6%423.0 h-21%541 h-15.6 EUR/MWh2019
2SE2
293.5 h
1.4%924.0 h-68%968 h-11.7 EUR/MWh2019
3SE3
257.5 h
1.3%395.0 h-35%507 h-14.5 EUR/MWh2019
4DK1
207.8 h
2.7%115.0 h+81%115 h-42.1 EUR/MWh2024
5SE1
179.8 h
0.9%504.0 h-64%727 h-29.5 EUR/MWh2019
6NO4
174.0 h
2.3%138.0 h+26%147 h-25.4 EUR/MWh2024
7RO
171.8 h
2.3%179.5 h-4%180 h-99.8 EUR/MWh2024
8DK2
92.8 h
1.2%66.0 h+41%66 h-15.8 EUR/MWh2024
9FI
57.0 h
0.8%439.0 h-87%457 h-9.6 EUR/MWh2024
10NO2
55.0 h
0.7%36.0 h+53%36 h-31.5 EUR/MWh2024
11NO1
13.0 h
0.2%57.0 h-77%57 h-11.6 EUR/MWh2024
12NO3
2.0 h
0.0%82.0 h-98%82 h-0.5 EUR/MWh2024
13NO5
0.0 h
0.0%34.0 h-100%34 h0.0 EUR/MWh2024
SE4 · cumulative negative hours2026 vs 2025

Click a row above to switch zone. Dashed line is the previous year.

Operate assets against these markets

Evora is the operating layer that connects batteries and flexible assets to day-ahead and ancillary markets — price forecasting, spike attribution, prequalification, and automated operations on top of the data you see here.