Arunachal News

PGCIL Completes 220 kV Kathalguri-Namsai Transmission Line Early in Arunachal Pradesh

Power Grid Corporation finishes Kathalguri-Namsai 220 kV double circuit transmission project five months ahead, boosting Arunachal Pradesh’s power network.

Sentinel Digital Desk

OUR CORRESPONDENT

ITANAGAR: In a significant step toward strengthening the power network in Arunachal Pradesh, Power Grid Corporation of India Limited (PGCIL) has completed the 220 kV double circuit Kathalguri-Namsai transmission system five months before its scheduled deadline. The line was energized late Saturday night, a communiqué from the PGCIL informed here on Monday. The project, carried out under the Tariff-Based Competitive Bidding (TBCB) model, enhances the reliability of electricity supply across the region. Stretching 71 kilometres, the new line connects the Assam gas-based power plant operated by NEEPCO at Kathalguri to a modern 220 kV gas-insulated substation (GIS) at Namsai in Arunachal Pradesh.

A bay extension at the Kathalguri end has also been completed to improve system operations. The infrastructure upgrade allows smoother power flow from the national grid into Arunachal Pradesh while also improving voltage stability and providing critical system backup, essential for a dependable year-round electricity supply.

It is expected to significantly support the region’s development initiatives, the communiqué said.

Arunachal Pradesh Deputy Chief Minister Chowna Mein praised the accomplishment.

“Kudos to PGCIL for their exemplary execution and unwavering commitment to the Northeast. This project is a cornerstone in our journey toward robust and reliable energy infrastructure,” he said in a social media post.

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