Press Release Tiled "Tata Power Renewables Utility Portfolio'' Scales to 12.3 GW Surpasses 7 GW Operational Capacity with the Commissioning of 100 MW Project at Kayathar, Tamil Nadu."

August 31, 2026 BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Dalal Street Bandra (East) Mumbai – 400 001. Mumbai – 400 051. Scrip Code: 500400 Symbol: TATAPOWER Dear Sir/Madam, Sub.: Press Release Please find enclosed the press release titled “Tata Power Renewables’ Utility Portfolio Scales to 12.3 GW; Surpasses 7 GW Operational Capacity with Commissioning of 100 MW Project at Kayathar, Tamil Nadu”. This is for your reference and records and is not a disclosure in terms of the requirements of Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Yours Sincerely, For The Tata Power Company Limited Vispi S. Patel Company Secretary FCS 7021 Encl: As above Tata Power Renewables’ Utility Portfolio Scales to 12.3 GW; Surpasses 7 GW Operational Capacity with Commissioning of 100 MW Project at Kayathar, Tamil Nadu • 7 GW, Operational Capacity comprises 5.7 GW solar + 1.3 GW wind assets; an additional 5.3 GW pipeline is slated for commissioning over the next 6 to 24 months. • Project advances solar innovation with India’s first-of-its-kind FTC Single Axis Tracker deployment; powered by 261,660 Mono PERC bifacial modules. • To generate 240.63 MUs of clean energy and offset 1.5 lakh tonnes of CO₂ annually for TP Solar, Tata Electronics and Tata Realty Infrastructure combined advancing the Tata Group's decarbonisation goals. National, August 31, 2026: Tata Power Renewable Energy Limited (TPREL), one of India's leading renewable energy companies, a subsidiary of The Tata Power Company Limited, has successfully commissioned its 100 MW Group Captive Solar Project (TNGC-2) at Vellalankottai and Nalandhula villages in Kayathar, Tamil Nadu. With this commissioning, TPREL utility portfolio now grows to 12.3 GW and has surpassed the landmark 7 GW operational capacity milestone, reinforcing its position as a leading force in India's clean energy transition. The project will supply clean power to TP Solar Limited (40.625 MW), Tata Power's solar manufacturing arm producing high-efficiency solar cells and modules, Tata Electronics Private Limited (53.125 MW), a leading electronics manufacturing company focused on semiconductors, precision engineering and advanced electronics and Tata Realty And Infrastructure Limited (6.25 MW), Tata Group's real estate and infrastructure development company, reinforcing Tata Group Companies' commitment to sustainable operations and accelerating India's clean energy transition. The project is designed to generate 240.63 million units (MUs) of clean electricity annually and is expected to offset approximately 1.5 lakh tonnes of CO₂ emissions per annum. One of the key highlights of the project is the first-of-its-kind deployment of the Flexible Terrain Compatible (FTC) Single Axis Tracker technology in India for a Tata project. Equipped with 2,61,660 Mono PERC bifacial solar modules, the project is engineered to maximise energy generation while improving operational efficiency across varying terrain conditions. The project highlights TPREL's expertise in executing large-scale solar projects through engineering excellence, best-in-class construction practices and a steadfast focus on quality. The power generated will be transmitted through the Kayathar 400 kV Grid Substation (GSS), ensuring reliable evacuation and efficient delivery of renewable energy to the beneficiary companies. The Company’s 7 GW operational capacity comprise more than 5.7 GW of solar and 1.3 GW of wind energy assets. Further strengthening its growth trajectory, TPREL has an additional 5.3 GW under various stages of development, including 2.2 GW of solar and 3.1 GW of wind projects, which are slated for phased commissioning over the next 6 to 24 months. This project further reinforces TPREL's position as a leader in India's renewable energy transition and reflects its continued commitment to delivering innovative, high-quality renewable energy solutions that support the country's target of achieving 500 GW of non-fossil fuel capacity by 2030. With extensive expertise in large scale renewable energy assets, the company operates a broad portfolio of large-scale projects encompassing utility-scale solar, floating solar, and Battery Energy Storage System (BESS) projects. About Tata Power: The Tata Power Company Limited, a vertically integrated power company and part of the Tata Group, India’s largest multinational business conglomerate, has built a diversified portfolio across the entire power value chain, with its total operational and under-construction capacity surpassing 26 GW. This includes approximately 17.7 GW of clean and green energy capacity (including projects under construction) and around 8.8 GW of thermal generation capacity, ensuring a balanced and resilient energy mix. The Company also has a strong transmission and distribution footprint, with over 7,800 circuit kilometres of transmission lines, including pipeline projects, and serves over 13 million customers across its distribution businesses, making it one of India’s largest private power distribution companies. Further strengthening its leadership in future-ready energy solutions, Tata Power has established 4.9 GW of integrated solar cell and module manufacturing capacity, signed 2.8 GW of pumped hydro storage projects, and expanded its EV charging network to over 7,000 public charging points across 717 cities and towns in India. As a pioneer in India’s clean energy transition, Tata Power remains committed to achieving Net Zero by 2045 and continues to partner with public and private stakeholders to deliver reliable, sustainable, and technology-led energy solutions across the country. 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 matter. 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 factor. 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. For further information, please contact: Jyoti Kumar Bansal, Chief – Branding & Communications, Tata Adfactors PR: Power Siddharth Kumar Email: jyotikumar.bansal@tatapower.com 9902929187 Siddharth Gaur – Head Public Relations, Tata Power Email: siddharth.kumar@adfactorspr.com E-mail: siddharth.gaur@tatapower.com