KARACHI/HYDERABAD: As the mercury rose to 40 level Celsius in the city on Wednesday, the fragile transmission system of the K-Electric collapsed loading sufferings on people, the majority of them remaining outdoors for hrs to beat the searing weather condition.

A technical mistake in 500kV grid station of the National Transmission as well as Despatch Business (NTDC) was stated to be the main reason for the extended outage not just in the metropolitan area yet additionally in 12 districts of the Hyderabad Electric Supply Company (Hesco).

Some reports suggested that the searing weather condition increased the demand of power that caused power failing as the power energy’s transmission system could not deal with the enhanced lots.

The power failure additionally caused a water scarcity in Karachi as the power supply to Dhabeji, Gharo and Pipri pumping terminals was suspended as well.

80pc Karachi without power

Almost 80 per cent of the city continued to be without power in the mid-day and also the electrical energy was not restored till late in a number of areas including Malir, Landhi, Korangi, Shah Faisal Swarm, Gulistan-i-Jauhar, Gulshan-i-Iqbal, Federal B. Location, Liaquatabad, Nazimabad, North Nazimabad, Surjani Town, North Karachi, New Karachi, Saddar, Lyari, Support and also Clifton.

Hyderabad and also 11 other Sindh areas encounter hours-long failures as a result of mistake at NTDC grid near Jamshoro

Residents of several areas called Dawn workplaces to notify that the power supply was disrupted between 4.10 pm to 4.20 pm. A lot of them said that the power was not recovered in their locations till 8pm.

KE resources stated that over 1,400, out of total 1,900, feeders in the city stumbled.

The KE stated tripping in the EHT transmission line created a disconnection between the power energy and also NTDC circuits. This tripping was brought on by a lightning strike on the NTDC’s 220kV Jamshoro circuit, it said.

A KE agent said: “Our connection with the NTDC has been totally recovered. Power supply to major parts of the city has actually additionally been completely renewed. We are slowly energising feeders in numerous areas. Reports of occasional rain throughout the city also reduced our progress as we had to start our security procedures.”

Failure in Hyderabad, other areas

Power supply to 12 areas of Hesco was influenced due to the technical fault in 500kV grid station of NTDC.

Hesco representative Sadiq Kubar confirmed that the fault at the NTDC’s grid had caused the power breakdown in the whole Hesco area that generally covers all reduced Sindh districts right from Hyderabad to Tharparkar.

Rainfalls paired with rapid winds created the tripping at 4.10 pm at the grid station. It caused discontinuation of electrical energy to 2 circuits of Tando Mohammad Khan and also Hala Naka grid stations. 4 circuits providing power to KE were additionally affected.

Hesco’s 71 grid stations, out of 78, continued to be without power for a number of hours.

“The mistake generally established in the lawn of 500kV in [one of] the system’s isolators that created disruption in the power supply,” the Hesco spokesperson claimed.

“We provide electricity through 11kV transmission lines that emanate from our 132kV grid stations,” he explained, including that 61 grid stations were energised at 6.49 pm.

At around 10pm the entire system of Hesco was functioning, he declared.

Nevertheless, variations continued till late in the night in different parts of Hyderabad. Grievances were received that electrical supply can not be restored in numerous areas. The Hesco spokesman said it was as a result of loadshedding strategy of the power energy.

The NTDC handles 500kV and also 220kV grid stations that provide power to distribution business of the Water and Power Development Authority. The distribution firms manage their 132kV grid stations which are fed by NTDC’s prior two systems.

Previously on June 30, 2020 a big power trigger in the NTDC’s grid station– situated at a little distance from Jamshoro Thermal Power House– had interrupted electrical supply to 13 districts of reduced Sindh falling in the Hesco jurisdiction.