An explosion occurred at the Kalininskaya power substation in Yekaterinburg, Russia, which supplies power to three defense facilities: the Kalinin Machine-Building Plant, Turbine Motor Plant, and Uralmash. Reports conflict on whether it was caused by a malfunction, an IED, or other means.

An explosion occurred on the night of 1-2 March at the Kalininskaya power substation, which supplies power to three defence facilities, in the Russian city of Yekaterinburg.

The substation supplies energy to three defence facilities: the Kalinin Machine-Building Plant, Turbine Motor Plant and Uralmash.

Russian media claim that a short circuit could cause the explosion.

Russia's National Antiterrorism Committee stated it was a 'malfunction of electrical equipment accompanied by a bang.'

Mash reported that an improvised explosive device was triggered.

An explosion occurred at the Kalinin power substation in Yekaterinburg on the night of March 2, 2024, affecting energy supply to three defense plants.

Russian media reported conflicting causes for the explosion, with TASS citing a short circuit and Mash reporting an IED detonation.