Ministry of Power

POWERGRID celebrates anniversary of One Nation-One Grid-One Frequency today

70 Sub-stations across India along with Regional Headquarters lit up in tricolour to mark this day

Posted On: 31 DEC 2021 4:29PM by PIB Delhi

As part of the Azadi Ka Amrit Mahotsav, POWERGRIID is commemorating landmark achievement of completion of One Nation-One Grid-One Frequency.

POWERGRID celebrated the anniversary of this momentous occasion on 31st December, 2021 by organizing a number of events. 70 Sub-stations across India along with Regional Headquarters have been lit up in tricolour to mark this momentous achievement. As part of the celebrations, people witnessed the projection of a video film, which captures benefits of One Nation One Grid One Frequency for the common man, encapsulating views of eminent personalities of the power sector on this achievement. On this occasion an outreach activity was undertaken to make people aware about the Azadi ka Amrit Mahotsav celebrations marking the 75th anniversary of India’s independence and the progress made by the nation ever-since.  


Medical camps have been organized for communities living in vicinity of these 70 Sub-stations spread across the country. The local population benefited from these medical camps through free health checkups. Apart from this, blood donation camps were also organized at various places.


About One Nation One Grid One Frequency

Grid management in the country, on a regional basis started in the sixties. At the beginning, state grids were interconnected to form a regional grid and India was demarcated into 5 regions namely Northern, Eastern, Western, North Eastern and Southern regions. With time each grid was connected to the other, to allow greater availability and transfer of power. It all came together when the Southern Region was connected to the Central Grid, with commissioning of 765 kV Raichur-Solapur Transmission Line, thereby achieving ‘ONE NATION-ONE GRID-ONE FREQUENCY’. The Srinagar Leh Transmission System was connected to the National Grid, and was dedicated to the nation by Hon’ble Prime Minister, Shri Narendra Modi in 2019.



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