The most extreme hours recorded since Grid Poet started watching the German grid.
Top 3 for each category — updated as new readings arrive.
The Spike
Highest day-ahead electricity price
#1
665.8 EUR/MWh
24 June 2026, 20:00
#2
660.2 EUR/MWh
24 June 2026, 21:00
#3
545.5 EUR/MWh
23 June 2026, 20:00
Free Power
Lowest day-ahead electricity price
#1
-413.8 EUR/MWh
26 April 2026, 13:00
#2
-413.2 EUR/MWh
26 April 2026, 14:00
#3
-260.0 EUR/MWh
26 April 2026, 12:00
Coal Hour
Highest carbon intensity
#1
787 gCO2/kWh
22 March 2026, 20:00
#2
561 gCO2/kWh
23 March 2026, 04:00
#3
557 gCO2/kWh
23 March 2026, 05:00
Clean Hour
Lowest carbon intensity
#1
27 gCO2/kWh
13 June 2026, 13:00
#2
28 gCO2/kWh
13 June 2026, 14:00
#3
28 gCO2/kWh
13 June 2026, 15:00
Helle Brise
Highest renewable energy share
#1
95.9%
13 June 2026, 14:00
#2
95.9%
13 June 2026, 13:00
#3
95.8%
13 June 2026, 15:00
Fossil Hour
Lowest renewable energy share
#1
1.6%
22 March 2026, 20:00
#2
18.6%
23 March 2026, 19:00
#3
19.1%
23 March 2026, 20:00
Wild Ride
Biggest day-ahead price spread in a single day
#1
672.3 EUR/MWh
1 May 2026, 20:00
#2
594.8 EUR/MWh
24 June 2026, 20:00
#3
571.6 EUR/MWh
26 April 2026, 20:00
Dead Calm
Smallest day-ahead price spread in a single day
#1
58.1 EUR/MWh
11 May 2026, 00:00
#2
66.2 EUR/MWh
5 May 2026, 17:00
#3
67.6 EUR/MWh
6 May 2026, 09:00
Storm Force
Highest wind speed
#1
34 km/h
30 March 2026, 03:00
#2
34 km/h
30 March 2026, 02:00
#3
33 km/h
5 April 2026, 19:00
Furnace Hour
Hottest hour recorded
#1
38.7C
27 June 2026, 15:00
#2
37.8C
27 June 2026, 14:00
#3
37.6C
30 July 2026, 14:00
Ice Hour
Coldest hour recorded
#1
-2.4C
2 April 2026, 07:00
#2
-2.0C
2 April 2026, 08:00
#3
-1.8C
2 April 2026, 06:00
Import Peak
Highest net electricity import
#1
38.8 GW
20 April 2026, 15:00
#2
33.2 GW
17 April 2026, 19:00
#3
33.2 GW
1 April 2026, 19:00
Export Champion
Highest net electricity export
#1
38.8 GW
5 April 2026, 13:00
#2
38.5 GW
5 April 2026, 12:00
#3
37.1 GW
5 April 2026, 14:00