Estonia grid frequency

Grid frequency · 20 May 2026

Name: Estonia grid frequency — 2026-05-20
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 49.950–50.060 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.060 Hz at 00:55.

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

Daily stats

Avg	Min	Max	Samples
50,005 Hz	49,950	50,060	288

Per 15-minute interval

15-minute MTU clearing prices for 20 May 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,960
00:05	50,010
00:10	50,030
00:15	49,990
00:20	50,020
00:25	50,030
00:30	49,980
00:35	50,020
00:40	50,030
00:45	50,000
00:50	50,030
00:55	50,060
01:00	49,980
01:05	49,980
01:10	50,000
01:15	49,990
01:20	50,000
01:25	50,000
01:30	50,000
01:35	50,020
01:40	50,010
01:45	50,000
01:50	50,000
01:55	50,020
02:00	49,980
02:05	49,990
02:10	50,000
02:15	50,010
02:20	50,020
02:25	50,010
02:30	49,990
02:35	50,010
02:40	50,010
02:45	50,010
02:50	50,000
02:55	50,010
03:00	50,000
03:05	50,030
03:10	50,010
03:15	50,010
03:20	50,010
03:25	50,000
03:30	49,990
03:35	50,000
03:40	50,020
03:45	50,010
03:50	50,000
03:55	50,020
04:00	50,020
04:05	50,020
04:10	50,030
04:15	50,010
04:20	50,010
04:25	50,000
04:30	50,000
04:35	50,010
04:40	50,010
04:45	50,000
04:50	50,010
04:55	50,010
05:00	49,990
05:05	50,000
05:10	50,000
05:15	50,010
05:20	50,000
05:25	50,010
05:30	50,020
05:35	50,010
05:40	50,000
05:45	50,020
05:50	50,010
05:55	50,010
06:00	50,010
06:05	50,010
06:10	50,010
06:15	50,010
06:20	49,990
06:25	50,000
06:30	50,020
06:35	49,990
06:40	49,990
06:45	50,010
06:50	49,990
06:55	50,000
07:00	50,010
07:05	49,970
07:10	50,000
07:15	50,020
07:20	50,010
07:25	50,010
07:30	50,010
07:35	49,990
07:40	50,000
07:45	50,010
07:50	50,000
07:55	49,990
08:00	49,990
08:05	49,990
08:10	49,990
08:15	50,010
08:20	50,010
08:25	49,990
08:30	50,000
08:35	50,010
08:40	50,030
08:45	50,010
08:50	50,030
08:55	50,010
09:00	49,950
09:05	49,990
09:10	50,000
09:15	49,970
09:20	50,010
09:25	50,010
09:30	49,960
09:35	50,010
09:40	50,000
09:45	49,980
09:50	50,010
09:55	50,010
10:00	49,950
10:05	50,010
10:10	50,020
10:15	50,000
10:20	50,010
10:25	50,040
10:30	49,990
10:35	49,990
10:40	50,000
10:45	49,970
10:50	50,020
10:55	50,020
11:00	49,970
11:05	49,990
11:10	50,010
11:15	50,000
11:20	50,010
11:25	50,030
11:30	50,000
11:35	50,010
11:40	50,040
11:45	50,010
11:50	50,020
11:55	50,020
12:00	50,000
12:05	50,010
12:10	50,020
12:15	50,020
12:20	50,010
12:25	50,030
12:30	50,010
12:35	50,010
12:40	49,990
12:45	50,000
12:50	50,030
12:55	50,030
13:00	49,970
13:05	49,970
13:10	50,000
13:15	50,000
13:20	50,020
13:25	50,030
13:30	50,040
13:35	50,040
13:40	50,020
13:45	49,950
13:50	50,010
13:55	50,020
14:00	49,990
14:05	50,000
14:10	50,010
14:15	50,000
14:20	50,010
14:25	50,010
14:30	49,990
14:35	50,000
14:40	50,010
14:45	49,990
14:50	50,020
14:55	50,020
15:00	50,000
15:05	50,000
15:10	50,020
15:15	50,000
15:20	50,020
15:25	50,010
15:30	50,000
15:35	50,010
15:40	50,020
15:45	50,030
15:50	50,010
15:55	50,020
16:00	50,000
16:05	49,980
16:10	49,980
16:15	50,010
16:20	49,980
16:25	49,980
16:30	50,040
16:35	49,990
16:40	49,980
16:45	50,010
16:50	50,020
16:55	50,030
17:00	50,010
17:05	49,980
17:10	49,990
17:15	50,000
17:20	49,990
17:25	49,990
17:30	50,000
17:35	50,000
17:40	50,010
17:45	49,990
17:50	49,990
17:55	50,000
18:00	50,010
18:05	49,990
18:10	50,010
18:15	50,050
18:20	50,010
18:25	49,990
18:30	50,030
18:35	49,990
18:40	49,970
18:45	50,000
18:50	49,980
18:55	49,990
19:00	50,050
19:05	50,010
19:10	49,980
19:15	50,010
19:20	49,980
19:25	49,970
19:30	50,040
19:35	50,000
19:40	49,970
19:45	50,030
19:50	50,000
19:55	50,010
20:00	50,020
20:05	49,990
20:10	49,980
20:15	50,010
20:20	49,980
20:25	49,990
20:30	50,040
20:35	49,990
20:40	49,980
20:45	50,030
20:50	50,000
20:55	49,990
21:00	50,010
21:05	50,010
21:10	50,010
21:15	50,000
21:20	49,990
21:25	50,000
21:30	49,990
21:35	50,000
21:40	49,990
21:45	50,000
21:50	49,990
21:55	50,010
22:00	50,000
22:05	50,010
22:10	49,990
22:15	50,000
22:20	50,020
22:25	50,010
22:30	49,980
22:35	50,020
22:40	50,030
22:45	50,000
22:50	50,020
22:55	50,020
23:00	49,960
23:05	50,010
23:10	50,010
23:15	49,990
23:20	50,030
23:25	50,030
23:30	50,000
23:35	50,030
23:40	50,020
23:45	49,990
23:50	50,020
23:55	50,020

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 · 20 May 2026

Frequency stayed in the 49.950–50.060 Hz band (288 samples).

The largest deviation from the 50.000 Hz nominal was 0.060 Hz at 00:55.

Avg

Min

Max

Samples

50,005 Hz

49,950

50,060

288

Per 15-minute interval

15-minute MTU clearing prices for 20 May 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,960
00:05	50,010
00:10	50,030
00:15	49,990
00:20	50,020
00:25	50,030
00:30	49,980
00:35	50,020
00:40	50,030
00:45	50,000
00:50	50,030
00:55	50,060
01:00	49,980
01:05	49,980
01:10	50,000
01:15	49,990
01:20	50,000
01:25	50,000
01:30	50,000
01:35	50,020
01:40	50,010
01:45	50,000
01:50	50,000
01:55	50,020
02:00	49,980
02:05	49,990
02:10	50,000
02:15	50,010
02:20	50,020
02:25	50,010
02:30	49,990
02:35	50,010
02:40	50,010
02:45	50,010
02:50	50,000
02:55	50,010
03:00	50,000
03:05	50,030
03:10	50,010
03:15	50,010
03:20	50,010
03:25	50,000
03:30	49,990
03:35	50,000
03:40	50,020
03:45	50,010
03:50	50,000
03:55	50,020
04:00	50,020
04:05	50,020
04:10	50,030
04:15	50,010
04:20	50,010
04:25	50,000
04:30	50,000
04:35	50,010
04:40	50,010
04:45	50,000
04:50	50,010
04:55	50,010
05:00	49,990
05:05	50,000
05:10	50,000
05:15	50,010
05:20	50,000
05:25	50,010
05:30	50,020
05:35	50,010
05:40	50,000
05:45	50,020
05:50	50,010
05:55	50,010
06:00	50,010
06:05	50,010
06:10	50,010
06:15	50,010
06:20	49,990
06:25	50,000
06:30	50,020
06:35	49,990
06:40	49,990
06:45	50,010
06:50	49,990
06:55	50,000
07:00	50,010
07:05	49,970
07:10	50,000
07:15	50,020
07:20	50,010
07:25	50,010
07:30	50,010
07:35	49,990
07:40	50,000
07:45	50,010
07:50	50,000
07:55	49,990
08:00	49,990
08:05	49,990
08:10	49,990
08:15	50,010
08:20	50,010
08:25	49,990
08:30	50,000
08:35	50,010
08:40	50,030
08:45	50,010
08:50	50,030
08:55	50,010
09:00	49,950
09:05	49,990
09:10	50,000
09:15	49,970
09:20	50,010
09:25	50,010
09:30	49,960
09:35	50,010
09:40	50,000
09:45	49,980
09:50	50,010
09:55	50,010
10:00	49,950
10:05	50,010
10:10	50,020
10:15	50,000
10:20	50,010
10:25	50,040
10:30	49,990
10:35	49,990
10:40	50,000
10:45	49,970
10:50	50,020
10:55	50,020
11:00	49,970
11:05	49,990
11:10	50,010
11:15	50,000
11:20	50,010
11:25	50,030
11:30	50,000
11:35	50,010
11:40	50,040
11:45	50,010
11:50	50,020
11:55	50,020
12:00	50,000
12:05	50,010
12:10	50,020
12:15	50,020
12:20	50,010
12:25	50,030
12:30	50,010
12:35	50,010
12:40	49,990
12:45	50,000
12:50	50,030
12:55	50,030
13:00	49,970
13:05	49,970
13:10	50,000
13:15	50,000
13:20	50,020
13:25	50,030
13:30	50,040
13:35	50,040
13:40	50,020
13:45	49,950
13:50	50,010
13:55	50,020
14:00	49,990
14:05	50,000
14:10	50,010
14:15	50,000
14:20	50,010
14:25	50,010
14:30	49,990
14:35	50,000
14:40	50,010
14:45	49,990
14:50	50,020
14:55	50,020
15:00	50,000
15:05	50,000
15:10	50,020
15:15	50,000
15:20	50,020
15:25	50,010
15:30	50,000
15:35	50,010
15:40	50,020
15:45	50,030
15:50	50,010
15:55	50,020
16:00	50,000
16:05	49,980
16:10	49,980
16:15	50,010
16:20	49,980
16:25	49,980
16:30	50,040
16:35	49,990
16:40	49,980
16:45	50,010
16:50	50,020
16:55	50,030
17:00	50,010
17:05	49,980
17:10	49,990
17:15	50,000
17:20	49,990
17:25	49,990
17:30	50,000
17:35	50,000
17:40	50,010
17:45	49,990
17:50	49,990
17:55	50,000
18:00	50,010
18:05	49,990
18:10	50,010
18:15	50,050
18:20	50,010
18:25	49,990
18:30	50,030
18:35	49,990
18:40	49,970
18:45	50,000
18:50	49,980
18:55	49,990
19:00	50,050
19:05	50,010
19:10	49,980
19:15	50,010
19:20	49,980
19:25	49,970
19:30	50,040
19:35	50,000
19:40	49,970
19:45	50,030
19:50	50,000
19:55	50,010
20:00	50,020
20:05	49,990
20:10	49,980
20:15	50,010
20:20	49,980
20:25	49,990
20:30	50,040
20:35	49,990
20:40	49,980
20:45	50,030
20:50	50,000
20:55	49,990
21:00	50,010
21:05	50,010
21:10	50,010
21:15	50,000
21:20	49,990
21:25	50,000
21:30	49,990
21:35	50,000
21:40	49,990
21:45	50,000
21:50	49,990
21:55	50,010
22:00	50,000
22:05	50,010
22:10	49,990
22:15	50,000
22:20	50,020
22:25	50,010
22:30	49,980
22:35	50,020
22:40	50,030
22:45	50,000
22:50	50,020
22:55	50,020
23:00	49,960
23:05	50,010
23:10	50,010
23:15	49,990
23:20	50,030
23:25	50,030
23:30	50,000
23:35	50,030
23:40	50,020
23:45	49,990
23:50	50,020
23:55	50,020