Finland grid frequency

Grid frequency · 28 September 2026

Name: Finland grid frequency, 2026-09-28
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 49.919–50.091 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.091 Hz at 18:15.

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

Daily stats

Avg	Min	Max	Samples
49,999 Hz	49,919	50,091	288

Per 15-minute interval

15-minute MTU clearing prices for 28 September 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	50,008
00:05	50,019
00:10	49,996
00:15	49,982
00:20	50,015
00:25	50,000
00:30	50,000
00:35	50,002
00:40	50,008
00:45	49,983
00:50	50,001
00:55	49,976
01:00	49,981
01:05	50,008
01:10	50,004
01:15	49,992
01:20	50,010
01:25	49,996
01:30	49,986
01:35	50,004
01:40	50,002
01:45	49,988
01:50	49,994
01:55	49,987
02:00	49,981
02:05	50,003
02:10	50,002
02:15	49,975
02:20	49,971
02:25	49,989
02:30	49,970
02:35	49,974
02:40	49,979
02:45	49,990
02:50	50,012
02:55	50,002
03:00	50,011
03:05	50,014
03:10	50,014
03:15	50,014
03:20	50,012
03:25	50,023
03:30	49,993
03:35	50,003
03:40	49,982
03:45	49,975
03:50	49,998
03:55	49,991
04:00	49,986
04:05	49,998
04:10	50,008
04:15	50,002
04:20	50,004
04:25	49,983
04:30	50,009
04:35	50,001
04:40	49,996
04:45	49,994
04:50	50,019
04:55	50,002
05:00	50,012
05:05	50,004
05:10	49,993
05:15	50,002
05:20	50,019
05:25	49,994
05:30	49,984
05:35	49,998
05:40	49,999
05:45	49,998
05:50	50,005
05:55	49,993
06:00	50,033
06:05	50,011
06:10	50,019
06:15	50,017
06:20	50,002
06:25	50,014
06:30	50,023
06:35	50,023
06:40	50,061
06:45	50,051
06:50	50,014
06:55	50,021
07:00	49,979
07:05	49,972
07:10	50,007
07:15	50,011
07:20	49,984
07:25	50,009
07:30	50,054
07:35	50,027
07:40	50,026
07:45	50,042
07:50	50,012
07:55	50,000
08:00	50,029
08:05	50,025
08:10	49,986
08:15	49,980
08:20	49,982
08:25	49,980
08:30	50,025
08:35	49,990
08:40	49,988
08:45	49,987
08:50	49,986
08:55	50,003
09:00	50,000
09:05	49,992
09:10	49,993
09:15	50,018
09:20	49,992
09:25	49,985
09:30	49,975
09:35	50,004
09:40	49,997
09:45	50,001
09:50	49,974
09:55	49,996
10:00	50,014
10:05	49,989
10:10	49,995
10:15	50,033
10:20	50,031
10:25	49,977
10:30	49,986
10:35	49,981
10:40	49,996
10:45	50,009
10:50	50,004
10:55	50,010
11:00	50,055
11:05	50,028
11:10	49,997
11:15	49,976
11:20	50,001
11:25	49,977
11:30	49,998
11:35	50,002
11:40	50,017
11:45	49,995
11:50	49,986
11:55	49,989
12:00	49,984
12:05	49,986
12:10	50,015
12:15	49,988
12:20	49,981
12:25	50,007
12:30	49,990
12:35	49,995
12:40	49,981
12:45	49,960
12:50	49,953
12:55	49,934
13:00	49,921
13:05	49,922
13:10	49,919
13:15	49,972
13:20	50,000
13:25	49,995
13:30	50,016
13:35	50,005
13:40	50,028
13:45	50,018
13:50	50,004
13:55	50,042
14:00	49,998
14:05	49,978
14:10	49,973
14:15	49,977
14:20	49,966
14:25	49,964
14:30	49,984
14:35	49,996
14:40	50,000
14:45	49,997
14:50	49,990
14:55	49,975
15:00	50,005
15:05	49,983
15:10	49,995
15:15	50,041
15:20	50,028
15:25	50,048
15:30	50,058
15:35	50,034
15:40	50,014
15:45	49,971
15:50	49,978
15:55	49,992
16:00	50,012
16:05	49,990
16:10	49,997
16:15	50,034
16:20	50,004
16:25	49,980
16:30	49,979
16:35	49,981
16:40	50,013
16:45	50,015
16:50	49,982
16:55	50,023
17:00	50,017
17:05	50,022
17:10	50,011
17:15	49,990
17:20	49,990
17:25	49,975
17:30	49,976
17:35	49,967
17:40	49,958
17:45	49,995
17:50	49,996
17:55	50,022
18:00	50,057
18:05	50,056
18:10	50,061
18:15	50,091
18:20	50,065
18:25	50,041
18:30	50,018
18:35	50,009
18:40	50,011
18:45	50,026
18:50	50,029
18:55	50,024
19:00	50,010
19:05	49,980
19:10	49,990
19:15	50,005
19:20	49,971
19:25	49,980
19:30	50,005
19:35	49,985
19:40	49,978
19:45	49,999
19:50	49,976
19:55	49,988
20:00	50,017
20:05	49,995
20:10	50,001
20:15	50,003
20:20	50,014
20:25	50,036
20:30	50,055
20:35	50,055
20:40	50,027
20:45	49,987
20:50	49,979
20:55	50,005
21:00	50,023
21:05	50,021
21:10	50,008
21:15	49,987
21:20	49,992
21:25	49,987
21:30	49,995
21:35	49,993
21:40	49,996
21:45	49,957
21:50	49,988
21:55	49,967
22:00	49,977
22:05	49,980
22:10	49,998
22:15	49,993
22:20	50,013
22:25	49,993
22:30	50,009
22:35	49,978
22:40	49,987
22:45	49,991
22:50	49,992
22:55	49,999
23:00	50,027
23:05	50,030
23:10	50,002
23:15	49,959
23:20	49,978
23:25	49,975
23:30	49,953
23:35	49,963
23:40	49,982
23:45	49,985
23:50	49,954
23:55	49,952

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