Finland grid frequency

Grid frequency · 17 September 2026

Name: Finland grid frequency, 2026-09-17
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 49.904–50.101 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.101 Hz at 17:15.

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

Daily stats

Avg	Min	Max	Samples
49,999 Hz	49,904	50,101	288

Per 15-minute interval

15-minute MTU clearing prices for 17 September 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,965
00:05	49,957
00:10	49,983
00:15	49,959
00:20	49,982
00:25	49,980
00:30	49,941
00:35	49,957
00:40	49,969
00:45	49,965
00:50	49,973
00:55	50,036
01:00	50,072
01:05	50,084
01:10	50,084
01:15	50,066
01:20	50,055
01:25	50,035
01:30	49,990
01:35	50,000
01:40	49,995
01:45	50,008
01:50	50,031
01:55	50,005
02:00	49,984
02:05	50,012
02:10	49,994
02:15	49,988
02:20	49,997
02:25	50,007
02:30	50,006
02:35	50,006
02:40	50,003
02:45	50,003
02:50	50,021
02:55	50,021
03:00	49,987
03:05	50,008
03:10	50,010
03:15	50,019
03:20	50,008
03:25	49,990
03:30	50,004
03:35	49,992
03:40	49,998
03:45	50,008
03:50	50,018
03:55	50,020
04:00	50,013
04:05	50,017
04:10	50,002
04:15	49,993
04:20	49,996
04:25	50,000
04:30	50,007
04:35	49,991
04:40	49,999
04:45	49,999
04:50	50,000
04:55	50,001
05:00	50,006
05:05	49,994
05:10	50,021
05:15	50,013
05:20	50,004
05:25	50,023
05:30	50,010
05:35	49,993
05:40	49,985
05:45	50,004
05:50	50,014
05:55	49,992
06:00	49,986
06:05	49,983
06:10	50,002
06:15	50,022
06:20	49,987
06:25	50,012
06:30	49,993
06:35	49,986
06:40	50,008
06:45	49,989
06:50	49,956
06:55	49,981
07:00	50,004
07:05	49,963
07:10	49,994
07:15	50,004
07:20	49,996
07:25	50,012
07:30	50,029
07:35	49,998
07:40	49,993
07:45	50,038
07:50	49,980
07:55	50,034
08:00	50,075
08:05	50,048
08:10	50,025
08:15	50,044
08:20	50,018
08:25	50,002
08:30	50,012
08:35	50,004
08:40	50,016
08:45	50,016
08:50	49,994
08:55	49,989
09:00	50,004
09:05	49,992
09:10	49,991
09:15	49,994
09:20	49,992
09:25	50,008
09:30	49,993
09:35	49,982
09:40	49,979
09:45	49,992
09:50	50,016
09:55	49,987
10:00	49,990
10:05	50,018
10:10	50,034
10:15	50,029
10:20	50,027
10:25	50,050
10:30	49,975
10:35	50,009
10:40	50,025
10:45	49,991
10:50	50,020
10:55	50,018
11:00	49,983
11:05	50,000
11:10	49,990
11:15	50,002
11:20	49,995
11:25	49,999
11:30	49,989
11:35	50,010
11:40	50,047
11:45	50,048
11:50	50,003
11:55	50,010
12:00	50,008
12:05	50,008
12:10	50,002
12:15	49,990
12:20	50,014
12:25	50,012
12:30	50,020
12:35	50,003
12:40	49,973
12:45	49,960
12:50	49,966
12:55	49,956
13:00	49,992
13:05	49,997
13:10	49,995
13:15	50,015
13:20	49,998
13:25	49,989
13:30	49,995
13:35	49,991
13:40	50,003
13:45	50,004
13:50	49,994
13:55	49,993
14:00	49,992
14:05	49,975
14:10	49,971
14:15	50,005
14:20	50,003
14:25	49,996
14:30	49,996
14:35	49,976
14:40	49,994
14:45	50,001
14:50	50,000
14:55	50,036
15:00	50,017
15:05	50,014
15:10	49,997
15:15	49,962
15:20	49,994
15:25	49,968
15:30	49,946
15:35	49,904
15:40	49,945
15:45	49,976
15:50	49,992
15:55	49,993
16:00	49,977
16:05	49,953
16:10	49,949
16:15	49,961
16:20	49,935
16:25	49,989
16:30	50,015
16:35	49,994
16:40	49,993
16:45	49,981
16:50	49,972
16:55	49,960
17:00	49,929
17:05	49,981
17:10	50,051
17:15	50,101
17:20	50,072
17:25	50,063
17:30	50,049
17:35	50,031
17:40	50,027
17:45	50,037
17:50	49,983
17:55	49,984
18:00	50,022
18:05	50,009
18:10	49,989
18:15	49,997
18:20	49,993
18:25	49,992
18:30	50,003
18:35	50,003
18:40	49,985
18:45	50,017
18:50	49,980
18:55	49,994
19:00	49,988
19:05	49,952
19:10	49,918
19:15	49,941
19:20	49,946
19:25	49,967
19:30	49,972
19:35	49,968
19:40	50,006
19:45	50,056
19:50	50,032
19:55	50,021
20:00	50,038
20:05	50,007
20:10	50,020
20:15	49,996
20:20	49,994
20:25	50,000
20:30	50,013
20:35	50,021
20:40	49,997
20:45	49,990
20:50	49,980
20:55	50,008
21:00	50,014
21:05	50,009
21:10	50,008
21:15	50,015
21:20	50,035
21:25	50,024
21:30	50,007
21:35	49,987
21:40	50,009
21:45	50,012
21:50	49,994
21:55	50,003
22:00	50,002
22:05	49,995
22:10	49,986
22:15	50,004
22:20	50,001
22:25	49,993
22:30	50,009
22:35	49,978
22:40	49,998
22:45	49,997
22:50	50,011
22:55	50,012
23:00	49,992
23:05	49,993
23:10	49,988
23:15	49,966
23:20	49,975
23:25	49,974
23:30	49,954
23:35	49,966
23:40	49,979
23:45	49,972
23:50	50,002
23:55	49,995

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