(MENAFN- The Peninsula) An apparent rebel attack on a key power line plunged around 80 percent of Pakistan into darkness on Sunday, the latest reminder of the country's crippling energy crisis.
The power failure, one of the worst Pakistan has experienced, caused electricity to be cut in major cities nationwide, including the capital Islamabad, and even affected one of the country's international airports.
It came as a fuel crisis grips the country, forcing Prime Minister Nawaz Sharif to cancel his trip to the World Economic Forum in Davos.
Consumers often fail to pay already low state-mandated power prices in Pakistan, meaning state utilities lose money and cannot upgrade infrastructure.
The latest power failure began after midnight when a transmission line connected to the national grid was damaged in an explosion, officials said, apparently carried out by a separatist group in restive Baluchistan province.
A senior official at the national grid station in Islamabad said around 80 percent of the country was hit by the power outage, while an AFP reporter in the eastern city of Lahore said the city's international airport also suffered a blackout, though flights were not affected.
"The fault in the system was caused by a main transmission line being blown up in Baluchistan," Minister of State for Water and Power Abid Sher Ali said.
Ali apologised for the outage, and blamed rebels in Baluchistan's Naseerabad district, in the country's southwest.
Baluchistan, Pakistan's largest but least developed and most sparsely populated province, has been wracked for decades by a separatist insurgency that was revived in 2004.
The separatists believe that locals do not receive a fair share of the province's energy and mineral wealth, while rights groups accuse the government of extra-judicial detentions and killings of activists.
Electricity was later restored across the country, a spokesman for the national power company said, with all power grids online except for two nuclear power plants which would be fully operational by the end of the day.
- 'Act of sabotage' -
"The blowing up of two power pylons in Naseerabad last night created a backward surge which affected the system," the spokesman said. "It was an act of sabotage."
Pakistan's electricity distribution system is a complex - and delicate - web and a major fault at one section often leads to chain reactions and breakdowns of power generation and transmission.
Younas Dhaga, the top bureaucrat in the water and power ministry, said the power lines were also blown up on January 13 and January 22, but the department had kept the grid functioning on those occasions.
Dhaga added the government was investing in improvements in the distribution system to avoid future blackouts, but it would take up to three years to complete the task.
"We have increased the generation, but did not invest in transmission nor developed any alternate system to divert the load," Dhaga said.
In addition to chronic infrastructure problems, the energy sector is also trapped into a vicious cycle of "circular debt" brought on by the dual effect of the government setting low electricity prices and customers failing to pay for it.
State utilities therefore lose money, and cannot pay private power generating companies, which in turn cannot pay the oil and gas suppliers, who cut off the supply.
The fuel crisis began last week when Pakistan State Oil was forced to slash imports because banks refused to extend any more credit to the government-owned company, which supplies 80 percent of the country's oil.
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