Overview

• Ukraine’s Energy Ministry said external power to Chernobyl’s New Safe Confinement was cut, while the IAEA reported energy fluctuations, operation on emergency diesel generators, and restoration of the external supply after about 16 hours.
• President Volodymyr Zelenskyy blamed Russian strikes on the Slavutych substation for the outage affecting monitoring and containment systems; Kremlin officials disputed Ukrainian attribution.
• Ukrainian authorities reported a mass assault of roughly 381 drones and 35 missiles aimed largely at gas and power facilities in regions including Kharkiv and Poltava, with Naftogaz calling it the largest attack on its gas production infrastructure since the war began.
• Russia’s Defense Ministry said it targeted military-industrial sites along with energy infrastructure, while Ukrainian officials reported damage, injuries, emergency shutdowns, and deployment of repair crews and backup generators to critical services.
• The Zaporizhzhia nuclear plant remains disconnected from the grid and is using diesel generators, with the IAEA saying there is no immediate danger but urging a prompt reconnection.