India | Updated May 10, 2006 at 04:24pm IST

Drop in demand may cause power trip

Neha SethNeha Seth, CNN-IBN

New Delhi: The Northern region was saved from a major grid failure on Monday night, but surprisingly it was not an increase in demand of power that caused this.

If you thought an increase in the demand for power is the only threat to the Northern grid, think again. A sharp decline in the demand can cause a major grid failure too.

And that could have happened on Monday night as unexpected showers lead to a sudden dip in demand for power. The Northern grid almost collapsed.

R P Singh, Chairman, Power Grid Corporation of India, says, “There is a problem of plenty along with a problem of scarcity."

The northern grid was supplying 20,000 megawatts of power when the demand dropped to 12,000 megawatts. This caused the frequency to go up to an alarming 51 hertz, which could have lead to a grid failure.

S K Soonee, Executive director, northern grid says, "Because of this storm not only do people start switching off their AC's and coolers but many states and constituents switch of power. This leads to a sharp decline in demand for power."

If the Northern grid collapses, it takes 12 hours to restore power completely. The next few days are crucial to this lifeline of the northern states where the weather gods can play havoc.

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