India is rapidly expanding its renewable energy sector while strengthening access to global sustainable finance, creating one of the world’s largest clean energy investment opportunities.
According to a new report from the Institute for Energy Economics and Financial Analysis (IEEFA), India had installed 263 GW of renewable energy capacity by January 2026 and is targeting 500 GW by 2030. Achieving this milestone will require an estimated $1.5 trillion in energy transition investment between 2026 and 2035, making affordable long-term financing and international capital markets critical to the country’s decarbonization strategy.
The IEEFA report highlights that renewable energy expansion, grid modernization, and supporting infrastructure will depend on attracting large-scale domestic and international investment through sustainable finance instruments, including green bonds and sustainable debt issuance.
India’s public and private sector companies are already demonstrating strong confidence in the clean energy market through significant capital commitments. State-owned power producer NTPC plans to invest approximately $80 billion in capital expenditure through 2032, with around 40 percent of the investment allocated to renewable energy projects. The investment will support the expansion of solar, wind, and other renewable energy assets while strengthening India’s long-term energy security and low-carbon electricity generation.
Private renewable energy company ReNew further strengthened investor confidence by successfully raising $600 million through a green bond issuance in February 2026. The transaction reflects growing global investor demand for Indian sustainable finance assets and highlights the increasing maturity of India’s green bond market.
The report also points to London’s growing role in financing India’s energy transition. Following the implementation of the UK-India trade agreement on July 15, 2026, London is positioning itself as a leading international hub for Indian sustainable debt through stronger economic cooperation and the UK-India Infrastructure Financing Bridge. The initiative aims to connect Indian renewable energy developers and infrastructure companies with global institutional investors, improving access to international capital while reducing financing costs for clean energy projects.
The UK-India Infrastructure Financing Bridge is designed to strengthen collaboration between financial institutions, project developers, policymakers, and investors from both countries. The platform promotes higher sustainability standards, improves transparency, and creates more efficient channels for cross-border investment into renewable energy, electricity transmission, and climate-related infrastructure projects across India.
IEEFA identifies several major Indian financial institutions that are expected to play a larger role in global sustainable finance markets. Alongside NTPC, organizations including Power Finance Corporation and the Indian Renewable Energy Development Agency (IREDA) are well positioned to expand international sustainable debt issuance, providing global investors with broader exposure to India’s fast-growing renewable energy sector while deepening the country’s green finance ecosystem.
The report emphasizes that affordable capital will determine the pace of India’s energy transition. Lower borrowing costs can significantly improve renewable energy project economics, accelerate deployment of solar and wind capacity, expand transmission infrastructure, and support the country’s broader climate objectives. As international investors continue increasing allocations toward sustainable assets, India stands to benefit from greater access to long-term climate-focused investment.
The analysis was prepared by Kevin Leung, Sustainable Finance Analyst, Debt Markets, Europe at IEEFA, and Saurabh Trivedi, Lead Specialist, Sustainable Finance and Carbon Markets at IEEFA. Their research concludes that stronger international financial partnerships, expanding sustainable debt markets, and continued green bond issuance will be essential to mobilizing the $1.5 trillion required between 2026 and 2035. With 263 GW of renewable energy already installed, a 500 GW target by 2030, $80 billion in planned NTPC investment, 40 percent of that investment earmarked for renewables, and $600 million raised through ReNew’s green bond, India is reinforcing its position as one of the world’s most attractive destinations for clean energy and sustainable finance investment.
SHAFANA FAZAL