380-ckm Mainpuri–Bara and 194-ckm Mainpuri–Unnao high-capacity corridors strengthen the Northern Grid and enable large-scale power evacuation across the state

Bangalore : The Tata Power Company Limited (Tata Power) , one of India’s largest integrated power companies, has successfully commissioned two critical 765 kV Extra High Voltage (EHV) transmission corridors in Uttar Pradesh, marking a major step in strengthening the northern region’s power transmission network and improving grid reliability across the state.

The newly commissioned corridors – Mainpuri–Bara spanning 380 circuit kilometres and Mainpuri–Unnao- covering 194 circuit kilometres have been developed under the South East UP Power Transmission Company Limited (SEUPPTCL) project and form part of Tata Power’s expanding national transmission portfolio. Together, the lines form a critical backbone for reliable power flow within Uttar Pradesh and across the northern grid.

The project, acquired by Resurgent Power Ventures Pte. Ltd., a joint venture led by Tata Power, ICICI Bank and global investors, is part of the resolution of previously stressed power assets. Once operational, the two corridors will facilitate the evacuation of over 3,000 MW of thermal power generated within the state, significantly improving grid stability and supporting Uttar Pradesh’s long-term energy security objectives

The execution of the project involved complex engineering and large-scale deployment of resources. Construction required over 42,000 metric tonnes of tower steel, 6,900 kilometres of conductor stringing, and the completion of more than 100 major crossings, including railway lines, rivers and existing transmission corridors. The lines also traverse forest stretches and were built in strict compliance with environmental and regulatory requirements.

Despite these challenges, the project was delivered in line with Tata Power’s benchmarks for operational excellence, quality execution and stringent safety standards, reinforcing the company’s credentials as a leading transmission infrastructure developer.

With the commissioning of these two 765 kV corridors, Tata Power now has 5,312 circuit kilometres of transmission lines operational, with an additional 1,997 circuit kilometres under construction. The expanding portfolio underscores the company’s growing role in building and modernising India’s high-voltage transmission backbone at a time when grid capacity is critical to sustaining economic growth.