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National, March 25, 2026: Tata Power today announced the successful commissioning of two transmission lines - 400 Kilovolt (Kv) Tanda–Gonda and 400kV Gonda–Basti double circuit spanning 154 circuit kilometres (Ckm) in Uttar Pradesh. With this milestone, the Company’s has now successfully commissioned all Extra High Voltage (EHV) transmission lines and substations under South East UP Power Transmission Company Limited (SEUPPTCL) project. The network now comprises three 765 kV lines comprising 951 Ckm, fourteen 400 kV lines comprising 566 Ckm, and three 765/400 kV substations with 3460 MVA Transformation capacity across the state.
The commissioning of four transmission assets namely 765 kV Mainpuri–Bara Single Circuit Line, 765 kV Mainpuri–Unnao Single Circuit Line, 400 kV Tanda–Gonda and 400Kv Gonda–Basti double circuit line will enable the safe and reliable evacuation of over 4,000 MW of thermal power generated within Uttar Pradesh. The project will support the state’s growing electricity demand while enhancing grid stability and ensuring long-term energy security.
SEUPPTCL is part of Resurgent Power Ventures Pte. Limited, a joint venture led by Tata Power along with ICICI Bank and global investors. The project was acquired as part of the resolution of stressed assets in the power sector.
The project commissioning of 765 kV Mainpuri–Bara Single Circuit Line (380 Ckm), 765 kV Mainpuri–Unnao Single Circuit Line (194 Ckm), 400 kV Tanda–Gonda and 400kV Gonda–Basti double circuit spanning 154 circuit kilometres (Ckm) involved extensive planning and execution, including: Deployment of over 45,000 metric tonnes of tower steel; Stringing of more than 8,600 kilometres of conductors; Execution of 139 critical crossings, including existing transmission lines, railway tracks, gas pipelines, highways, and rivers; Construction across forest areas in full compliance with environmental and statutory norms
The successful completion of these projects marks a significant step in strengthening Uttar Pradesh’s transmission infrastructure and ensuring reliable and efficient power supply across the region.
With the commissioning of these seventeen 765 kV and 400 kV corridors spanning 1,517 circuit kilometres, Tata Power’s total operational transmission network has expanded to 5,466 circuit kilometres, with an additional 1,863 circuit kilometres currently under construction. This growing portfolio highlights the company’s strengthening role in building and modernising India’s high-voltage transmission backbone—at a time when robust grid capacity is essential to sustaining the country’s economic growth.
About Tata Power:
The Tata Power Company Limited, a leading integrated power company and a part of the Tata Group, India's largest multinational business conglomerate, owns a diversified portfolio of 16.3 GW. This portfolio spans the entire power value chain, from renewable and conventional energy generation to transmission, distribution, trading, storage solutions, and solar cell and module manufacturing. As a pioneer in India's clean energy transition, Tata Power has 7.5 GW of clean energy generation, constituting 46% of its total capacity. Committed to achieving Net Zero by 2045, Tata Power has successfully partnered with public and private entities across India's generation, transmission, and distribution sectors, serving ~13 million customers nationwide.
Disclaimer:
The following press release/announcement may contain forward-looking statements within the meaning of applicable securities laws and regulations. These statements are based on management's current views, expectations, assumptions, and projections regarding the Company's future performance, business plans, growth prospects, competitive and regulatory environment, and other related matters. Such forward-looking statements are subject to various risks and uncertainties, which may cause actual results to differ materially from those expressed or implied in the statements. Factors that could cause actual results to differ materially from those contemplated in the forward-looking statements are not limited to changes in economic conditions affecting demand/supply and price conditions in the domestic and overseas markets in which the Company operates, alterations in the business environment, fluctuations in Government regulations, laws, statutes, judicial pronouncements, and other incidental factors. The Company does not undertake any obligation to publicly update or revise any forward-looking statements based on subsequent events, information, or developments, except as required by applicable laws and regulations
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