Overview
- Grid operator Ukrenergo scheduled eight to sixteen hours of outages across most regions, and state producer Centrenergo said its generation temporarily fell to zero after hits on thermal plants.
- Ukraine reported 458 drones and 45 rockets were launched in the overnight barrage, with air defenses downing 406 drones and nine missiles.
- Kyiv said drones struck substations serving the Khmelnytskyi and Rivne nuclear plants, prompting a call for an IAEA board session over nuclear safety risks.
- Ukraine countered with drone attacks on Russian border regions, with authorities in Belgorod, Voronezh and Kursk reporting fires, damaged energy facilities and tens of thousands briefly without power or heat.
- Open‑source analysis indicated fresh Russian advances near Pokrovsk and Myrnohrad, while Ukrainian prosecutors moved against an officer accused of ordering a prohibited awards ceremony later struck by Russia.