The Hub Power Company Limited (HUBCO) has reported a major electrical fault at Unit 1 of China Power Hub Generation Company Limited (CPHGC), forcing the power generation unit out of service while investigations and repair work are carried out.
In a disclosure submitted to the Pakistan Stock Exchange (PSX) on October 21, 2026, HUBCO confirmed that the fault occurred in the main transformer of Unit 1. The company said the affected unit would remain offline while the issue is investigated and necessary repairs are undertaken.
The development concerns a significant power generation facility in Pakistan’s energy sector. CPHGC operates two coal-fired power generation units with a combined installed capacity of approximately 660 megawatts (MW), according to the company’s disclosure.
The outage of Unit 1 means that the affected generating unit is temporarily unavailable for electricity production. However, the available information does not specify the duration of the outage or confirm when the unit is expected to return to service.
A main transformer plays a critical role in a power plant by adjusting voltage levels for the transmission and distribution of electricity. A serious fault in this equipment can require detailed technical assessments, safety checks and repair work before normal operations can resume.
HUBCO’s disclosure indicates that the fault is being investigated. Further information about the extent of the damage, the repair timeline and the expected date for restarting Unit 1 will depend on the findings of the technical assessment.
The incident has drawn attention to the operational reliability of major power generation facilities in Pakistan. Large generating units contribute to the country’s electricity supply, making unexpected outages an important development for energy sector stakeholders.
The combined capacity of CPHGC’s two coal-fired units is approximately 660 MW. However, the precise amount of generation currently unavailable cannot be confirmed from the information provided, as the individual capacity of Unit 1 has not been specified.
The impact of the outage on Pakistan’s overall electricity supply will depend on several factors, including the duration of the shutdown, available generation from other power plants and demand across the national grid. No confirmed information has been provided to establish whether the incident will result in electricity shortages or load-shedding.
Investors and market participants may also monitor further disclosures from HUBCO for updates on the plant’s operational status. Details about repair costs, insurance implications or any financial impact have not been confirmed in the available information.
For now, the key development is that Unit 1 at China Power Hub Generation Company Limited has been taken out of service following a fault in its main transformer. The company’s investigation and repair efforts will determine the next steps toward restoring the unit to operation.
Further updates from HUBCO and the Pakistan Stock Exchange are expected to clarify the extent of the fault, the repair schedule and the timeline for the unit’s return to service.