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External supplies being routed into the State have not been fully restored, a day after the massive failure in the north, east and northeast grids.
The shortage was estimated to be to the order of 400 MW on Wednesday, a much better position relative to the previous day when it was as high as 900 MW.
TALCHER SUPPLIES
Tripping of the Talcher thermal project in Odisha had deprived the State of as much as 620 MW straightaway. The Talcher-Kolar line, a 2,500-MW high-voltage direct current (HVDC) carrier, is the lifeline for the southern grid.
Putting the situation in perspective, a KSEB official said the load in the Kerala State Electricity Board system had shot up to the range of 3,100 to 3,200 MW in recent weeks.
During the last two days, however, KSEB could not sustain it beyond 2,500 MW because of a steep drop in the supply of power from outside.
The power outage in the north and east had necessitated load-shedding as the flows from the Central grid came down.
LOAD-SHEDDING
KSEB has had to resort to cyclical load-shedding both during daytime and late evening hours to manage the situation.
The schedule varied for periods ranging from 30 minutes to one hour and in some areas it had to be done more than once.
“We had to ramp up hydro power generation to the maximum extent in the last two days to minimise the impact of the outage,” the official said.
Already, the indifferent monsoon had forced the KSEB to retain to the extent possible water level in its hydroelectric reservoirs.
It had jacked up daily generation from the hydel stations to more than 20 million units from the threshold level of 12 million units.
> vinson.kurian@thehindu.co.in
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