On May 9, the needs of consumers were covered by domestic generation, commercial imports and emergency supplies from the power systems of Poland, Romania and Slovakia. The total volume of emergency supply was about 3% of daily electricity consumption.
Also, during daytime hours, Ukraine received surplus electricity on an emergency basis at Poland’s request.
On May 10, at Ukraine’s request, emergency electricity supplies were made from Poland, Romania and Slovakia.
Due to network restrictions on the transmission system operator’s lines, outage schedules were in place for all consumers in Kharkiv region and for industry in Kryvyi Rih.
From 18:00 on May 9 to 7:00 on May 10, restrictions were imposed on industrial consumers in all regions except Kherson region. At the same time, electricity supply to household consumers was not restricted.
In the southern regions, to prevent overloading of equipment at one of the high-voltage substations, the transmission system operator limited electricity generation from renewable sources during daytime hours.
In Dnipropetrovsk region, shelling damaged an overhead line, de-energised a power company substation, and cut off power to household consumers (all of whom were supplied with electricity).
In Kharkiv region, the shelling disrupted the overhead line, power supply to power company substations and household consumers.
In Chernihiv region, 600 consumers were simultaneously cut off from power due to damage to an overhead line.
In the southern region, an explosion occurred near one of the high-voltage substations as a result of a UAV crash.
A high-voltage substation in the southern region was out of service due to a technological failure. The substation is now powered, the cause of the outage is being investigated. (Government portal)