A significant power outage affecting Tartu and nearby regions on June 9th was caused by a combination of factors, according to Elering, Estonia’s transmission system operator. The incident stemmed from ongoing maintenance operations coupled with a technical malfunction within the power grid. Human error also contributed to the widespread disruption. Elering revealed the details on Thursday, following an investigation into the cause of the blackout. The outage impacted residents and businesses across the area, though specific details regarding the extent of the disruption were not immediately available. Elering has not released information regarding preventative measures to avoid similar incidents in the future.