The most extreme hours recorded since Grid Poet started watching the German grid.
Top 3 for each category — updated hourly as new data arrives.
The Spike
Highest day-ahead electricity price
#1
266.8 €/MWh
4 May 2026, 20:00
#2
250.9 €/MWh
18 May 2026, 20:00
#3
245.1 €/MWh
10 April 2026, 20:00
Free Power
Lowest day-ahead electricity price
#1
-413.8 €/MWh
26 April 2026, 13:00
#2
-413.2 €/MWh
26 April 2026, 14:00
#3
-260.0 €/MWh
26 April 2026, 12:00
Coal Hour
Highest carbon intensity
#1
560 gCO₂/kWh
23 March 2026, 05:00
#2
550 gCO₂/kWh
23 March 2026, 19:00
#3
550 gCO₂/kWh
23 March 2026, 02:00
Clean Hour
Lowest carbon intensity
#1
43 gCO₂/kWh
13 March 2026, 10:00
#2
45 gCO₂/kWh
25 April 2026, 13:00
#3
47 gCO₂/kWh
25 April 2026, 14:00
Helle Brise
Highest renewable energy share
#1
94.8%
13 March 2026, 10:00
#2
94.3%
12 March 2026, 12:00
#3
93.4%
25 April 2026, 13:00
Fossil Hour
Lowest renewable energy share
#1
18.6%
23 March 2026, 19:00
#2
18.8%
1 April 2026, 06:00
#3
19.1%
23 March 2026, 20:00
Wild Ride
Biggest day-ahead price spread in a single day
#1
672.3 €/MWh
1 May 2026, 20:00 (2026-05-01)
#2
571.6 €/MWh
26 April 2026, 20:00 (2026-04-26)
#3
325.5 €/MWh
2 May 2026, 20:00 (2026-05-02)
Dead Calm
Smallest day-ahead price spread in a single day
#1
58.1 €/MWh
11 May 2026, 00:00 (2026-05-11)
#2
66.2 €/MWh
5 May 2026, 17:00 (2026-05-05)
#3
67.6 €/MWh
6 May 2026, 09:00 (2026-05-06)
Storm Force
Highest wind speed
#1
23 km/h
23 February 2026, 12:00
#2
23 km/h
25 March 2026, 11:00
#3
22 km/h
25 March 2026, 13:00
Furnace Hour
Hottest hour recorded
#1
25.7°C
2 May 2026, 17:00
#2
25.5°C
2 May 2026, 18:00
#3
24.9°C
2 May 2026, 19:00
Ice Hour
Coldest hour recorded
#1
-1.5°C
18 March 2026, 08:00
#2
-1.4°C
21 March 2026, 07:00
#3
-1.4°C
19 March 2026, 07:00
Import Peak
Highest net electricity import
#1
31.0 GW
9 March 2026, 18:00
#2
30.5 GW
12 March 2026, 11:00
#3
27.7 GW
10 March 2026, 04:00
Export Champion
Highest net electricity export
#1
21.9 GW
3 May 2026, 15:00
#2
20.9 GW
11 April 2026, 13:00
#3
19.9 GW
11 April 2026, 14:00