Finland grid frequency

Grid frequency · 23 September 2026

Name: Finland grid frequency, 2026-09-23
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 49.942–50.072 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.072 Hz at 01:05.

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

Daily stats

Avg	Min	Max	Samples
49,996 Hz	49,942	50,072	288

Per 15-minute interval

15-minute MTU clearing prices for 23 September 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,990
00:05	50,013
00:10	49,998
00:15	49,992
00:20	49,998
00:25	49,980
00:30	49,951
00:35	49,967
00:40	49,990
00:45	50,003
00:50	50,012
00:55	50,022
01:00	50,051
01:05	50,072
01:10	50,062
01:15	50,036
01:20	50,039
01:25	50,013
01:30	49,970
01:35	49,992
01:40	49,948
01:45	49,956
01:50	49,987
01:55	50,001
02:00	49,992
02:05	50,000
02:10	50,005
02:15	50,006
02:20	50,006
02:25	49,995
02:30	50,004
02:35	49,993
02:40	49,991
02:45	49,979
02:50	49,994
02:55	49,997
03:00	49,997
03:05	50,000
03:10	50,007
03:15	50,008
03:20	50,003
03:25	50,017
03:30	50,012
03:35	50,033
03:40	50,023
03:45	50,002
03:50	49,982
03:55	49,996
04:00	49,984
04:05	49,991
04:10	49,999
04:15	50,000
04:20	49,985
04:25	49,990
04:30	49,989
04:35	49,993
04:40	50,006
04:45	49,995
04:50	50,003
04:55	50,023
05:00	50,010
05:05	49,995
05:10	50,011
05:15	50,033
05:20	50,020
05:25	50,028
05:30	50,010
05:35	49,987
05:40	49,980
05:45	49,993
05:50	49,979
05:55	49,974
06:00	49,987
06:05	49,987
06:10	49,996
06:15	49,988
06:20	49,980
06:25	49,993
06:30	50,027
06:35	49,985
06:40	50,005
06:45	49,995
06:50	49,988
06:55	49,994
07:00	49,989
07:05	49,973
07:10	49,983
07:15	50,009
07:20	49,987
07:25	49,987
07:30	50,014
07:35	49,995
07:40	49,998
07:45	49,995
07:50	49,975
07:55	49,990
08:00	49,995
08:05	49,973
08:10	49,965
08:15	50,007
08:20	50,001
08:25	50,015
08:30	50,003
08:35	49,991
08:40	49,985
08:45	50,000
08:50	49,990
08:55	49,990
09:00	49,971
09:05	49,964
09:10	49,968
09:15	49,971
09:20	49,958
09:25	49,969
09:30	50,005
09:35	49,986
09:40	49,993
09:45	50,008
09:50	49,995
09:55	49,991
10:00	50,008
10:05	50,018
10:10	50,004
10:15	50,004
10:20	49,992
10:25	49,998
10:30	49,989
10:35	49,991
10:40	49,996
10:45	49,985
10:50	49,975
10:55	49,979
11:00	49,980
11:05	50,005
11:10	50,012
11:15	50,003
11:20	50,000
11:25	50,013
11:30	49,991
11:35	50,014
11:40	50,009
11:45	50,006
11:50	49,987
11:55	50,022
12:00	49,975
12:05	49,981
12:10	50,001
12:15	49,999
12:20	49,989
12:25	49,987
12:30	50,003
12:35	49,979
12:40	50,002
12:45	50,007
12:50	49,989
12:55	50,023
13:00	49,979
13:05	49,988
13:10	50,018
13:15	49,982
13:20	50,001
13:25	49,973
13:30	49,979
13:35	49,967
13:40	49,964
13:45	49,961
13:50	49,958
13:55	49,977
14:00	49,992
14:05	49,981
14:10	50,015
14:15	50,022
14:20	49,987
14:25	50,001
14:30	49,990
14:35	50,002
14:40	49,998
14:45	49,995
14:50	49,998
14:55	50,037
15:00	50,012
15:05	50,000
15:10	50,003
15:15	50,023
15:20	50,012
15:25	50,014
15:30	49,998
15:35	49,993
15:40	49,997
15:45	50,004
15:50	49,989
15:55	50,007
16:00	50,014
16:05	50,018
16:10	49,995
16:15	49,981
16:20	49,984
16:25	49,987
16:30	49,984
16:35	49,986
16:40	49,969
16:45	49,974
16:50	49,995
16:55	49,993
17:00	49,976
17:05	49,989
17:10	49,977
17:15	49,952
17:20	49,942
17:25	49,972
17:30	50,013
17:35	49,995
17:40	49,987
17:45	50,009
17:50	50,006
17:55	50,002
18:00	50,002
18:05	50,014
18:10	49,979
18:15	49,987
18:20	49,968
18:25	49,986
18:30	49,986
18:35	49,977
18:40	49,982
18:45	49,968
18:50	49,966
18:55	49,984
19:00	50,000
19:05	50,016
19:10	50,004
19:15	50,005
19:20	49,985
19:25	49,983
19:30	49,982
19:35	49,965
19:40	49,966
19:45	49,979
19:50	49,979
19:55	49,983
20:00	49,986
20:05	49,990
20:10	49,999
20:15	50,013
20:20	50,023
20:25	50,009
20:30	50,029
20:35	50,011
20:40	50,030
20:45	50,020
20:50	50,058
20:55	50,031
21:00	50,017
21:05	50,020
21:10	50,014
21:15	50,009
21:20	50,017
21:25	50,005
21:30	50,015
21:35	50,015
21:40	50,010
21:45	49,997
21:50	50,011
21:55	50,006
22:00	49,952
22:05	49,969
22:10	49,972
22:15	49,975
22:20	49,992
22:25	50,010
22:30	50,019
22:35	50,012
22:40	50,009
22:45	49,986
22:50	50,011
22:55	49,994
23:00	49,994
23:05	50,012
23:10	49,987
23:15	50,000
23:20	49,991
23:25	49,993
23:30	50,002
23:35	50,017
23:40	50,010
23:45	49,993
23:50	50,016
23:55	49,995

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