Power supply of the energy unit of the Almaty restored


At 2:44 pm on 24 September 2012, during scheduled maintenance of busbar system no.1 at 220 kV Almaty substation, busbar system no.2 was de-enegrgised by the protection system addressing the emergency conditions. The resulting huge power deficit (up to 500 MW) in Almaty power region caused load shedding and considerable loss of generation in the region. At 2:57 pm the system operator put busbar system no.1 into operation at 220 kV Almaty substation; the voltage was applied, and the power plants were instructed to gain the power generation rate and connection of the consumers commenced. At 3:30 pm all power plants reached their scheduled load profile; at 3:50 pm power supply to all main consumers was restored.