Interconnector trip FR - UK

Sep 05, 2023 19:00 On 01 September 2023, an interconnector trip between France and UK resulted in a massive frequency drop. The increasing PV infeed during the period of the trip secured the UK against larger consequences for the suppliers and consuments. (Picture by Jonathan Billinger under license CC BY-SA 2.0: : Sellindge Converter Station of the IFA2 Interconnector)

Don't stop a running interconnector


Jun 15, 2023 16:15 On 08 June 2023, theinterconnector NSL between the Nordics and the UK stopped operation. In consequence, a power flow of 1290 MW has been interrupted and frequency in the Nordic system jumped 400 mHz up while frequency in the UK system nosedived by 500 mHz.

Nordics undervoltage and frequency drop on 26.04.2023


May 10, 2023 15:00 Scandinavia faced power supply problems at 04:40 UTC on April 26. As a result, there was a power outage in the Stockholm region and a drop in the grid frequency to 49.3 Hz in the entire grid area.

Grid Frequency Drop to 49.84 Hz on 28/03/2023


Mar 31, 2023 22:00 On 03/28/2023 starting at 16:00 UTC, a strong and prolonged underfrequency event occurred in the UCTE network area. The event is unusual in several respects: (1) The UCTE network frequency drops below 49.84 Hz. (2) The system takes over three minutes to return to above 49.9 Hz. (3) The power supply between Western/Central Europe and Eastern Europe drifts sharply apart.

System split due to the Earthquake in Ecuador


Mar 19, 2023 20:00 Following the heavy earthquake in the region between Ecuador and Peru on 18 March 2023 there was a system split between Ecuador and Columbia. (Origin of the picture: Sageo, CC3.0)

Load Shedding in South Africa


Feb 23, 2023 14:12 At the beginning of 2023, the number of references regarging load sheeding in South Africa, also in metropolitan areas such as Johannesburg, Cape Town and Pretoria, in some cases lasting up to 11 hours.