Estonia grid frequency

Grid frequency · 5 September 2026

Name: Estonia grid frequency, 2026-09-05
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 49.960–50.030 Hz band (84 samples).

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

Daily stats

Avg	Min	Max	Samples
50,007 Hz	49,960	50,030	84

Per 15-minute interval

15-minute MTU clearing prices for 5 September 2026 (Europe/Tallinn).
Time (Europe/Tallinn)	Grid frequency
00:00	49,960
00:05	50,010
00:10	50,010
00:15	49,990
00:20	50,010
00:25	50,010
00:30	50,000
00:35	50,010
00:40	50,010
00:45	50,000
00:50	50,020
00:55	50,030
01:00	50,000
01:05	49,960
01:10	49,990
01:15	49,980
01:20	50,010
01:25	50,010
01:30	49,990
01:35	50,010
01:40	50,000
01:45	50,000
01:50	50,030
01:55	50,010
02:00	50,010
02:05	50,020
02:10	50,010
02:15	50,000
02:20	50,010
02:25	50,000
02:30	49,970
02:35	50,020
02:40	50,020
02:45	50,010
02:50	50,000
02:55	50,010
03:00	50,000
03:05	50,000
03:10	50,010
03:15	49,990
03:20	50,000
03:25	50,010
03:30	50,010
03:35	50,010
03:40	50,010
03:45	50,000
03:50	50,020
03:55	50,020
04:00	50,000
04:05	50,010
04:10	50,000
04:15	50,000
04:20	50,010
04:25	50,010
04:30	50,010
04:35	50,020
04:40	50,010
04:45	50,000
04:50	50,010
04:55	50,010
05:00	49,990
05:05	50,020
05:10	50,010
05:15	50,010
05:20	50,020
05:25	50,020
05:30	50,010
05:35	50,010
05:40	50,010
05:45	50,020
05:50	50,010
05:55	50,010
06:00	50,010
06:05	50,010
06:10	50,020
06:15	50,020
06:20	50,010
06:25	50,020
06:30	50,000
06:35	50,020
06:40	50,010
06:45	50,020
06:50	50,010
06:55	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 →