Tamil Nadu, Karnataka, Kerala and Andhra Pradesh and the Union Territory
of Puducherry would now have better access to electricity supply as the
region has been synchronised with the national transmission network of
electricity (commonly known as the National Electricity Grid).
The development took place on December 31, nearly five months ahead of schedule in May.”Synchronous integration of the Southern grid with the rest of the
national grid will not only augment the inter-regional power transfer
capacity of the Southern region but also relieve the congestion being
experienced in a few transmission corridors. This would be a boost for
the further economic growth of the country. It is likely to take a few
months before power flow over this line is stabilised," the Ministry of
Power said in a statement on Wednesday.
The entire country is divided into five regional electricity grids —
Northern, Eastern, Western, North-Eastern and Southern. Till now, four
grids (excepting Southern) were operating in a synchronous mode. This
means, electricity across these regions flows seamlessly in line with
the demand and supply matrix. Since the Southern grid was not connected, the States in the region
faced problems in the import of electricity from the rest of the
country. Neither could they supply power to States outside the grid when
there was excess supply.
The national integration of grids has been achieved following the
commissioning of the Raichur-Solapur 765 kV single circuit transmission
line by the Power Grid Corporation of India Ltd (PGCIL). This line of 208 circuit kilometres (ckm) and 765-400 kV substations at
Raichur and Sholapur, has been commissioned five months ahead of its
contractual schedule at a cost of approximately Rs 815 crore, the
Ministry said.
With this interconnection, the Indian power system has become one of the
largest synchronous grids with about 232,000 MW of installed power
generation capacity.
Good information for south India as this will explore more opportunities for power trading.
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