Finland grid frequency

Grid frequency · 25 September 2026

Name: Finland grid frequency, 2026-09-25
Creator: Volton
License: https://creativecommons.org/licenses/by/4.0/

Real-time AC frequency on the Finnish grid, part of the Nordic synchronous area (Finland, Sweden, Norway and eastern Denmark), a different synchronous area from the Baltics, which joined Continental Europe in February 2025. Sourced from Fingrid, downsampled to 5-min mean and refreshed hourly.

Frequency stayed in the 49.878–50.120 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.122 Hz at 16:10.

Source: Fingrid Open Data via Volton, CC-BY-4.0.

Daily stats

Avg	Min	Max	Samples
49,999 Hz	49,878	50,120	288

Per 15-minute interval

15-minute MTU clearing prices for 25 September 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,965
00:05	49,974
00:10	49,955
00:15	49,963
00:20	49,978
00:25	50,000
00:30	49,949
00:35	49,966
00:40	49,991
00:45	49,994
00:50	50,003
00:55	50,018
01:00	49,973
01:05	49,974
01:10	49,970
01:15	49,985
01:20	50,003
01:25	49,995
01:30	49,979
01:35	49,985
01:40	49,994
01:45	50,019
01:50	50,013
01:55	49,999
02:00	49,999
02:05	50,021
02:10	50,015
02:15	50,009
02:20	50,005
02:25	49,994
02:30	49,992
02:35	49,986
02:40	49,997
02:45	49,978
02:50	49,998
02:55	50,011
03:00	50,001
03:05	50,008
03:10	50,006
03:15	50,009
03:20	50,002
03:25	50,003
03:30	50,011
03:35	50,009
03:40	49,986
03:45	49,984
03:50	49,982
03:55	49,980
04:00	50,004
04:05	50,002
04:10	50,011
04:15	50,022
04:20	50,015
04:25	50,013
04:30	50,009
04:35	49,993
04:40	49,996
04:45	50,007
04:50	50,002
04:55	50,007
05:00	49,999
05:05	50,007
05:10	49,996
05:15	50,017
05:20	50,001
05:25	49,996
05:30	50,012
05:35	50,002
05:40	50,002
05:45	50,004
05:50	49,996
05:55	50,023
06:00	50,021
06:05	50,004
06:10	50,018
06:15	50,031
06:20	50,030
06:25	49,998
06:30	50,003
06:35	49,978
06:40	49,996
06:45	50,005
06:50	49,979
06:55	50,001
07:00	50,013
07:05	49,981
07:10	49,997
07:15	49,999
07:20	49,995
07:25	50,019
07:30	50,030
07:35	49,982
07:40	50,009
07:45	50,010
07:50	49,987
07:55	50,043
08:00	50,044
08:05	50,010
08:10	50,002
08:15	50,001
08:20	49,989
08:25	50,021
08:30	49,989
08:35	49,981
08:40	50,000
08:45	50,021
08:50	50,003
08:55	49,987
09:00	49,989
09:05	49,998
09:10	50,009
09:15	49,981
09:20	49,994
09:25	49,986
09:30	49,995
09:35	49,998
09:40	50,015
09:45	50,009
09:50	49,994
09:55	50,001
10:00	50,003
10:05	49,993
10:10	49,998
10:15	49,999
10:20	49,993
10:25	49,994
10:30	50,007
10:35	49,989
10:40	50,006
10:45	49,996
10:50	49,974
10:55	49,995
11:00	50,025
11:05	49,999
11:10	50,032
11:15	49,974
11:20	49,991
11:25	49,999
11:30	49,990
11:35	49,960
11:40	49,981
11:45	49,997
11:50	50,008
11:55	50,011
12:00	50,011
12:05	50,011
12:10	50,008
12:15	49,988
12:20	49,997
12:25	49,999
12:30	49,994
12:35	49,975
12:40	49,966
12:45	49,963
12:50	49,946
12:55	49,981
13:00	49,982
13:05	49,968
13:10	49,983
13:15	49,999
13:20	50,019
13:25	50,001
13:30	50,014
13:35	50,019
13:40	50,023
13:45	50,021
13:50	50,040
13:55	50,044
14:00	50,046
14:05	50,041
14:10	50,037
14:15	50,010
14:20	50,017
14:25	49,989
14:30	49,983
14:35	49,998
14:40	50,001
14:45	49,991
14:50	49,981
14:55	49,974
15:00	49,966
15:05	49,975
15:10	50,004
15:15	49,992
15:20	49,986
15:25	49,999
15:30	49,994
15:35	49,978
15:40	49,987
15:45	50,005
15:50	49,990
15:55	49,965
16:00	49,928
16:05	49,905
16:10	49,878
16:15	49,928
16:20	49,933
16:25	49,961
16:30	50,021
16:35	50,003
16:40	50,008
16:45	50,011
16:50	50,001
16:55	50,028
17:00	50,040
17:05	50,023
17:10	50,046
17:15	50,042
17:20	50,048
17:25	50,016
17:30	50,007
17:35	50,005
17:40	50,003
17:45	50,034
17:50	50,003
17:55	50,011
18:00	50,002
18:05	49,994
18:10	49,989
18:15	50,003
18:20	49,986
18:25	50,018
18:30	49,991
18:35	50,012
18:40	50,005
18:45	50,014
18:50	49,998
18:55	50,025
19:00	50,061
19:05	50,066
19:10	50,074
19:15	50,117
19:20	50,120
19:25	50,072
19:30	50,017
19:35	49,990
19:40	50,000
19:45	49,965
19:50	49,994
19:55	50,031
20:00	50,070
20:05	50,066
20:10	50,054
20:15	49,941
20:20	49,920
20:25	49,916
20:30	49,913
20:35	49,921
20:40	49,955
20:45	50,004
20:50	49,994
20:55	49,994
21:00	49,969
21:05	49,947
21:10	49,955
21:15	49,960
21:20	49,973
21:25	49,994
21:30	49,998
21:35	50,001
21:40	50,013
21:45	50,006
21:50	49,998
21:55	50,005
22:00	49,993
22:05	50,006
22:10	49,989
22:15	50,009
22:20	49,999
22:25	50,005
22:30	50,006
22:35	50,007
22:40	50,006
22:45	50,001
22:50	50,008
22:55	50,007
23:00	49,993
23:05	50,004
23:10	50,007
23:15	49,998
23:20	49,999
23:25	49,991
23:30	49,999
23:35	50,003
23:40	49,958
23:45	49,980
23:50	50,002
23:55	49,990

Source: Fingrid Open Data via Volton, CC-BY-4.0. · Hub: 7-day chart and methodology →