Finland grid frequency

Grid frequency · 13 September 2026

Name: Finland grid frequency, 2026-09-13
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 49.917–50.109 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.109 Hz at 20:05.

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

Daily stats

Avg	Min	Max	Samples
49,997 Hz	49,917	50,109	288

Per 15-minute interval

15-minute MTU clearing prices for 13 September 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,979
00:05	49,993
00:10	50,000
00:15	49,995
00:20	50,004
00:25	50,011
00:30	50,000
00:35	49,995
00:40	50,008
00:45	50,006
00:50	49,997
00:55	49,976
01:00	49,929
01:05	49,954
01:10	49,979
01:15	49,973
01:20	49,993
01:25	49,990
01:30	49,966
01:35	49,982
01:40	49,997
01:45	49,981
01:50	50,004
01:55	50,009
02:00	50,010
02:05	50,004
02:10	49,989
02:15	49,982
02:20	50,007
02:25	50,014
02:30	50,005
02:35	49,998
02:40	49,989
02:45	49,962
02:50	49,992
02:55	49,983
03:00	50,008
03:05	49,997
03:10	49,998
03:15	50,028
03:20	50,002
03:25	49,990
03:30	49,982
03:35	49,984
03:40	49,996
03:45	49,992
03:50	49,985
03:55	49,977
04:00	49,989
04:05	49,998
04:10	50,010
04:15	50,007
04:20	49,994
04:25	49,988
04:30	49,990
04:35	49,996
04:40	50,001
04:45	50,001
04:50	49,984
04:55	49,980
05:00	49,997
05:05	49,995
05:10	49,990
05:15	49,997
05:20	50,016
05:25	50,016
05:30	50,008
05:35	50,004
05:40	49,973
05:45	49,982
05:50	49,985
05:55	49,978
06:00	49,988
06:05	49,982
06:10	49,988
06:15	50,002
06:20	49,984
06:25	50,005
06:30	50,024
06:35	50,039
06:40	50,046
06:45	50,035
06:50	50,019
06:55	50,007
07:00	49,968
07:05	49,981
07:10	49,984
07:15	49,996
07:20	50,004
07:25	49,994
07:30	50,033
07:35	50,032
07:40	50,034
07:45	50,042
07:50	50,017
07:55	50,005
08:00	50,006
08:05	50,004
08:10	50,000
08:15	50,020
08:20	49,993
08:25	50,025
08:30	49,999
08:35	49,966
08:40	49,983
08:45	49,982
08:50	49,951
08:55	49,966
09:00	49,973
09:05	49,973
09:10	49,985
09:15	49,948
09:20	49,977
09:25	50,009
09:30	49,995
09:35	49,974
09:40	49,989
09:45	49,981
09:50	49,982
09:55	49,987
10:00	49,994
10:05	49,981
10:10	50,002
10:15	49,987
10:20	49,993
10:25	49,984
10:30	49,990
10:35	49,983
10:40	50,009
10:45	50,002
10:50	49,980
10:55	49,999
11:00	49,996
11:05	49,974
11:10	49,975
11:15	49,974
11:20	49,997
11:25	50,016
11:30	49,990
11:35	50,000
11:40	49,996
11:45	49,997
11:50	49,979
11:55	50,010
12:00	50,002
12:05	49,999
12:10	50,012
12:15	50,036
12:20	50,031
12:25	50,003
12:30	49,995
12:35	49,989
12:40	49,977
12:45	49,991
12:50	49,987
12:55	49,986
13:00	49,983
13:05	49,985
13:10	49,977
13:15	49,977
13:20	49,995
13:25	49,996
13:30	50,004
13:35	50,007
13:40	49,983
13:45	49,998
13:50	49,972
13:55	49,991
14:00	49,994
14:05	49,988
14:10	50,005
14:15	50,015
14:20	49,984
14:25	50,003
14:30	49,985
14:35	49,975
14:40	49,982
14:45	49,996
14:50	49,987
14:55	49,997
15:00	49,982
15:05	50,002
15:10	49,995
15:15	49,980
15:20	49,984
15:25	50,027
15:30	49,989
15:35	49,993
15:40	49,990
15:45	49,986
15:50	49,992
15:55	49,968
16:00	49,932
16:05	49,917
16:10	49,953
16:15	49,988
16:20	49,976
16:25	50,005
16:30	49,999
16:35	49,993
16:40	50,014
16:45	50,033
16:50	50,010
16:55	50,035
17:00	50,048
17:05	50,029
17:10	50,035
17:15	50,012
17:20	50,000
17:25	49,992
17:30	50,001
17:35	49,990
17:40	49,987
17:45	49,989
17:50	49,970
17:55	50,015
18:00	49,990
18:05	49,961
18:10	49,933
18:15	49,950
18:20	49,930
18:25	49,927
18:30	49,978
18:35	49,967
18:40	49,959
18:45	49,981
18:50	49,980
18:55	50,000
19:00	50,016
19:05	50,004
19:10	49,987
19:15	50,000
19:20	49,998
19:25	49,994
19:30	50,007
19:35	50,005
19:40	50,020
19:45	50,010
19:50	50,022
19:55	50,053
20:00	50,106
20:05	50,109
20:10	50,100
20:15	50,065
20:20	50,066
20:25	50,042
20:30	50,016
20:35	50,008
20:40	49,988
20:45	49,984
20:50	49,982
20:55	49,986
21:00	49,999
21:05	49,991
21:10	49,990
21:15	50,000
21:20	49,997
21:25	50,011
21:30	50,012
21:35	50,020
21:40	50,030
21:45	50,025
21:50	50,040
21:55	50,031
22:00	50,009
22:05	50,020
22:10	50,022
22:15	49,991
22:20	50,005
22:25	49,995
22:30	49,981
22:35	50,009
22:40	50,013
22:45	50,015
22:50	50,032
22:55	50,016
23:00	49,979
23:05	49,992
23:10	49,991
23:15	49,973
23:20	50,010
23:25	50,001
23:30	50,002
23:35	50,024
23:40	50,016
23:45	49,980
23:50	50,010
23:55	50,012

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