Top Power Transmission Companies in India with Market Cap & FY26 Outlook

India’s power transmission sector is a crucial backbone of the country’s electricity infrastructure, ensuring smooth flow of power from generation units to end users. Driven by rapid urbanization, industrial demand, and renewable energy expansion, the sector is witnessing strong long-term growth. Major PSU and private companies are continuously investing in high-voltage transmission networks, smart grids, and advanced technologies. This guide highlights the top Indian power transmission companies with market cap details and FY26 growth outlook.

1. Power Grid Corporation of India Limited (POWERGRID)

Company history: POWERGRID was established in 1989 as India’s central transmission utility. It operates interstate and interregional transmission networks across India. It plays a key role in national power evacuation and grid stability.
Market cap: Large-cap PSU (₹2,50,000+ crore)
Net profit FY26: ~₹15,000–₹16,500 crore (steady regulated earnings growth)

2. Adani Energy Solutions Limited

Company history: Formerly Adani Transmission, part of Adani Group. It operates power transmission and distribution networks across multiple states. It is rapidly expanding its transmission infrastructure in India.
Market cap: Large-cap (₹1,20,000–₹1,50,000 crore range)
Net profit FY26: ~₹3,000–₹4,200 crore (strong expansion-driven growth)

3. Sterlite Technologies Limited (STL)

Company history: STL focuses on power transmission products and digital network solutions. It provides optical fiber, telecom infrastructure, and energy connectivity solutions. It serves both domestic and global markets.
Market cap: Mid-cap (₹8,000–₹12,000 crore range)
Net profit FY26: ~₹150–₹250 crore (recovery phase growth)

4. KEC International Limited

Company history: Part of RPG Group, established in 1945. It is a global EPC company in transmission towers and infrastructure. It operates in over 100+ countries.
Market cap: Mid-cap (₹15,000–₹20,000 crore range)
Net profit FY26: ~₹600–₹850 crore (stable EPC-driven growth)

5. Kalpataru Projects International Limited

Company history: Established in 1981, it is a global EPC infrastructure company. It works in power transmission, railways, and civil infrastructure. It has a strong international project portfolio.
Market cap: Mid-cap (₹18,000–₹25,000 crore range)
Net profit FY26: ~₹700–₹950 crore (steady global execution growth)

6. Techno Electric & Engineering Company Limited

Company history: Founded in 1963, it specializes in power transmission and engineering services. It develops smart grid and energy infrastructure projects. It also invests in power assets.
Market cap: Mid-cap (₹5,000–₹7,000 crore range)
Net profit FY26: ~₹350–₹500 crore (stable infrastructure earnings)

7. Skipper Limited

Company history: Established in 1981, Skipper manufactures transmission towers and engineering products. It supplies infrastructure materials for power transmission projects. It has strong export presence.
Market cap: Small to mid-cap (₹4,000–₹6,000 crore range)
Net profit FY26: ~₹120–₹200 crore (moderate growth trend)

8. Genus Power Infrastructures Limited

Company history: Genus Power focuses on smart metering and power infrastructure solutions. It plays a key role in India’s smart grid modernization. It is expanding rapidly in energy management systems.
Market cap: Mid-cap (₹6,000–₹9,000 crore range)
Net profit FY26: ~₹300–₹450 crore (high growth segment)

9. Transformers and Rectifiers India Limited

Company history: Established in 1994, it manufactures transformers and electrical equipment. It supplies power transmission and distribution infrastructure. It supports India’s grid expansion projects.
Market cap: Small to mid-cap (₹3,000–₹5,000 crore range)
Net profit FY26: ~₹80–₹140 crore (cyclical improvement)

10. Hitachi Energy India Limited

Company history: Formerly ABB Power Grids India, part of Hitachi Energy global group. It specializes in HVDC systems, transformers, and grid automation. It supports advanced power transmission technologies.
Market cap: Mid to large-cap (₹25,000–₹35,000 crore range)
Net profit FY26: ~₹500–₹750 crore (technology-led stable growth)