Estonia grid frequency

Grid frequency · 22 May 2026

Name: Estonia grid frequency — 2026-05-22
Creator: Volton
License: https://creativecommons.org/licenses/by/4.0/

Real-time AC frequency on the Estonian grid, which has been part of the Continental European Synchronous Area since 9 February 2025. The whole CESA shares one frequency in real time — Estonia and Portugal see the same number. Sourced from Elering, downsampled to 5-min mean and refreshed hourly.

Frequency stayed in the 49.920–50.040 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.080 Hz at 01:00.

Source: Elering via Volton, CC-BY-4.0.

Daily stats

Avg	Min	Max	Samples
49,997 Hz	49,920	50,040	288

Per 15-minute interval

15-minute MTU clearing prices for 22 May 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,940
00:05	50,010
00:10	50,010
00:15	49,970
00:20	50,010
00:25	50,020
00:30	49,970
00:35	50,000
00:40	50,020
00:45	49,990
00:50	50,010
00:55	50,010
01:00	49,920
01:05	49,980
01:10	50,000
01:15	50,000
01:20	50,000
01:25	50,000
01:30	49,980
01:35	50,010
01:40	50,010
01:45	49,990
01:50	49,980
01:55	50,000
02:00	49,960
02:05	50,010
02:10	50,010
02:15	50,000
02:20	50,000
02:25	49,990
02:30	49,980
02:35	50,010
02:40	50,000
02:45	49,980
02:50	50,010
02:55	50,010
03:00	49,950
03:05	50,000
03:10	50,010
03:15	50,000
03:20	50,000
03:25	50,020
03:30	50,010
03:35	49,990
03:40	50,000
03:45	49,980
03:50	50,000
03:55	49,990
04:00	49,990
04:05	50,000
04:10	50,000
04:15	50,000
04:20	49,980
04:25	50,000
04:30	49,990
04:35	50,000
04:40	49,990
04:45	50,000
04:50	50,000
04:55	50,000
05:00	49,980
05:05	49,980
05:10	49,980
05:15	49,990
05:20	49,990
05:25	50,000
05:30	49,990
05:35	50,000
05:40	50,000
05:45	49,990
05:50	49,990
05:55	49,990
06:00	49,980
06:05	49,970
06:10	49,990
06:15	49,990
06:20	49,990
06:25	50,000
06:30	50,000
06:35	50,000
06:40	50,000
06:45	50,020
06:50	50,000
06:55	50,000
07:00	50,010
07:05	49,970
07:10	49,980
07:15	50,020
07:20	50,010
07:25	50,010
07:30	50,000
07:35	50,010
07:40	50,000
07:45	50,000
07:50	50,010
07:55	49,990
08:00	49,990
08:05	49,980
08:10	49,990
08:15	49,980
08:20	50,020
08:25	50,030
08:30	49,970
08:35	50,030
08:40	50,020
08:45	49,980
08:50	50,030
08:55	50,020
09:00	49,960
09:05	49,980
09:10	50,010
09:15	49,970
09:20	50,020
09:25	50,040
09:30	49,970
09:35	50,000
09:40	50,010
09:45	49,980
09:50	50,010
09:55	50,020
10:00	49,940
10:05	49,980
10:10	50,010
10:15	49,960
10:20	49,970
10:25	49,990
10:30	49,970
10:35	50,000
10:40	50,010
10:45	49,970
10:50	50,000
10:55	50,020
11:00	49,980
11:05	49,990
11:10	50,010
11:15	49,970
11:20	50,000
11:25	50,020
11:30	49,980
11:35	50,000
11:40	50,010
11:45	49,980
11:50	50,000
11:55	50,020
12:00	49,990
12:05	50,010
12:10	50,020
12:15	49,990
12:20	50,000
12:25	50,020
12:30	49,980
12:35	50,010
12:40	50,010
12:45	50,010
12:50	50,020
12:55	50,020
13:00	50,010
13:05	50,020
13:10	50,010
13:15	50,000
13:20	50,020
13:25	49,990
13:30	49,990
13:35	50,000
13:40	49,990
13:45	49,980
13:50	50,010
13:55	50,010
14:00	50,010
14:05	50,010
14:10	50,010
14:15	49,990
14:20	50,020
14:25	50,020
14:30	50,000
14:35	50,000
14:40	50,030
14:45	50,020
14:50	50,020
14:55	50,020
15:00	50,010
15:05	50,000
15:10	50,010
15:15	50,030
15:20	49,990
15:25	49,990
15:30	50,010
15:35	49,990
15:40	49,990
15:45	50,020
15:50	50,010
15:55	49,990
16:00	50,000
16:05	50,000
16:10	50,020
16:15	50,030
16:20	49,980
16:25	49,990
16:30	50,020
16:35	49,990
16:40	49,980
16:45	49,990
16:50	49,990
16:55	50,000
17:00	50,000
17:05	49,990
17:10	49,990
17:15	50,010
17:20	50,000
17:25	49,980
17:30	49,990
17:35	49,970
17:40	49,970
17:45	50,020
17:50	50,000
17:55	49,990
18:00	50,020
18:05	49,990
18:10	49,980
18:15	50,000
18:20	49,970
18:25	49,970
18:30	50,030
18:35	49,980
18:40	49,970
18:45	50,010
18:50	50,000
18:55	50,000
19:00	50,030
19:05	49,990
19:10	49,960
19:15	50,010
19:20	49,970
19:25	49,960
19:30	50,010
19:35	49,970
19:40	49,970
19:45	50,040
19:50	49,960
19:55	49,990
20:00	50,040
20:05	49,990
20:10	49,980
20:15	50,020
20:20	49,970
20:25	49,960
20:30	50,030
20:35	49,980
20:40	49,980
20:45	50,030
20:50	49,990
20:55	49,990
21:00	50,020
21:05	49,980
21:10	49,980
21:15	50,010
21:20	49,980
21:25	50,000
21:30	50,000
21:35	49,990
21:40	49,990
21:45	50,000
21:50	49,990
21:55	50,010
22:00	50,010
22:05	49,990
22:10	50,000
22:15	49,980
22:20	49,990
22:25	50,000
22:30	49,970
22:35	50,000
22:40	50,010
22:45	49,970
22:50	50,010
22:55	50,010
23:00	49,960
23:05	50,000
23:10	50,000
23:15	49,980
23:20	50,010
23:25	50,020
23:30	49,960
23:35	50,010
23:40	50,020
23:45	49,990
23:50	50,000
23:55	49,990

Concepts

CESA (Continental European Synchronous Area)System imbalance / FRCE FCR (Frequency Containment Reserve)

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

Grid frequency · 22 May 2026

Frequency stayed in the 49.920–50.040 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.080 Hz at 01:00.

Avg

Min

Max

Samples

49,997 Hz

49,920

50,040

288

Per 15-minute interval

15-minute MTU clearing prices for 22 May 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,940
00:05	50,010
00:10	50,010
00:15	49,970
00:20	50,010
00:25	50,020
00:30	49,970
00:35	50,000
00:40	50,020
00:45	49,990
00:50	50,010
00:55	50,010
01:00	49,920
01:05	49,980
01:10	50,000
01:15	50,000
01:20	50,000
01:25	50,000
01:30	49,980
01:35	50,010
01:40	50,010
01:45	49,990
01:50	49,980
01:55	50,000
02:00	49,960
02:05	50,010
02:10	50,010
02:15	50,000
02:20	50,000
02:25	49,990
02:30	49,980
02:35	50,010
02:40	50,000
02:45	49,980
02:50	50,010
02:55	50,010
03:00	49,950
03:05	50,000
03:10	50,010
03:15	50,000
03:20	50,000
03:25	50,020
03:30	50,010
03:35	49,990
03:40	50,000
03:45	49,980
03:50	50,000
03:55	49,990
04:00	49,990
04:05	50,000
04:10	50,000
04:15	50,000
04:20	49,980
04:25	50,000
04:30	49,990
04:35	50,000
04:40	49,990
04:45	50,000
04:50	50,000
04:55	50,000
05:00	49,980
05:05	49,980
05:10	49,980
05:15	49,990
05:20	49,990
05:25	50,000
05:30	49,990
05:35	50,000
05:40	50,000
05:45	49,990
05:50	49,990
05:55	49,990
06:00	49,980
06:05	49,970
06:10	49,990
06:15	49,990
06:20	49,990
06:25	50,000
06:30	50,000
06:35	50,000
06:40	50,000
06:45	50,020
06:50	50,000
06:55	50,000
07:00	50,010
07:05	49,970
07:10	49,980
07:15	50,020
07:20	50,010
07:25	50,010
07:30	50,000
07:35	50,010
07:40	50,000
07:45	50,000
07:50	50,010
07:55	49,990
08:00	49,990
08:05	49,980
08:10	49,990
08:15	49,980
08:20	50,020
08:25	50,030
08:30	49,970
08:35	50,030
08:40	50,020
08:45	49,980
08:50	50,030
08:55	50,020
09:00	49,960
09:05	49,980
09:10	50,010
09:15	49,970
09:20	50,020
09:25	50,040
09:30	49,970
09:35	50,000
09:40	50,010
09:45	49,980
09:50	50,010
09:55	50,020
10:00	49,940
10:05	49,980
10:10	50,010
10:15	49,960
10:20	49,970
10:25	49,990
10:30	49,970
10:35	50,000
10:40	50,010
10:45	49,970
10:50	50,000
10:55	50,020
11:00	49,980
11:05	49,990
11:10	50,010
11:15	49,970
11:20	50,000
11:25	50,020
11:30	49,980
11:35	50,000
11:40	50,010
11:45	49,980
11:50	50,000
11:55	50,020
12:00	49,990
12:05	50,010
12:10	50,020
12:15	49,990
12:20	50,000
12:25	50,020
12:30	49,980
12:35	50,010
12:40	50,010
12:45	50,010
12:50	50,020
12:55	50,020
13:00	50,010
13:05	50,020
13:10	50,010
13:15	50,000
13:20	50,020
13:25	49,990
13:30	49,990
13:35	50,000
13:40	49,990
13:45	49,980
13:50	50,010
13:55	50,010
14:00	50,010
14:05	50,010
14:10	50,010
14:15	49,990
14:20	50,020
14:25	50,020
14:30	50,000
14:35	50,000
14:40	50,030
14:45	50,020
14:50	50,020
14:55	50,020
15:00	50,010
15:05	50,000
15:10	50,010
15:15	50,030
15:20	49,990
15:25	49,990
15:30	50,010
15:35	49,990
15:40	49,990
15:45	50,020
15:50	50,010
15:55	49,990
16:00	50,000
16:05	50,000
16:10	50,020
16:15	50,030
16:20	49,980
16:25	49,990
16:30	50,020
16:35	49,990
16:40	49,980
16:45	49,990
16:50	49,990
16:55	50,000
17:00	50,000
17:05	49,990
17:10	49,990
17:15	50,010
17:20	50,000
17:25	49,980
17:30	49,990
17:35	49,970
17:40	49,970
17:45	50,020
17:50	50,000
17:55	49,990
18:00	50,020
18:05	49,990
18:10	49,980
18:15	50,000
18:20	49,970
18:25	49,970
18:30	50,030
18:35	49,980
18:40	49,970
18:45	50,010
18:50	50,000
18:55	50,000
19:00	50,030
19:05	49,990
19:10	49,960
19:15	50,010
19:20	49,970
19:25	49,960
19:30	50,010
19:35	49,970
19:40	49,970
19:45	50,040
19:50	49,960
19:55	49,990
20:00	50,040
20:05	49,990
20:10	49,980
20:15	50,020
20:20	49,970
20:25	49,960
20:30	50,030
20:35	49,980
20:40	49,980
20:45	50,030
20:50	49,990
20:55	49,990
21:00	50,020
21:05	49,980
21:10	49,980
21:15	50,010
21:20	49,980
21:25	50,000
21:30	50,000
21:35	49,990
21:40	49,990
21:45	50,000
21:50	49,990
21:55	50,010
22:00	50,010
22:05	49,990
22:10	50,000
22:15	49,980
22:20	49,990
22:25	50,000
22:30	49,970
22:35	50,000
22:40	50,010
22:45	49,970
22:50	50,010
22:55	50,010
23:00	49,960
23:05	50,000
23:10	50,000
23:15	49,980
23:20	50,010
23:25	50,020
23:30	49,960
23:35	50,010
23:40	50,020
23:45	49,990
23:50	50,000
23:55	49,990