For investors navigating India’s crowded renewable energy landscape, a new study offers a roadmap. Andhra Pradesh, Uttar Pradesh, and Rajasthan have emerged as the most investor-friendly destinations for clean energy capital, according to The Institute for Energy Economics and Financial Analysis (IEEFA)’s annual Indian States’ Electricity Transition (SET) 2026 study.
IEEFA evaluated 21 Indian states on their preparedness to navigate the next phase of electricity transition, scoring them across regulatory initiatives, market enablers, infrastructure readiness, and demand-side factors. The verdict: India’s clean energy story is being written unevenly, and the gap between leading and lagging states is widening in ways that matter deeply to where private capital flows.
The study’s authors, Saloni Sachdeva Michael, IEEFA’s Lead Energy Specialist for India Clean Energy Transition, and Tanya Rana, Energy Analyst for South Asia, are direct about what drives the divergence. “The pace and effectiveness of electricity transition will ultimately be shaped at the subnational level, where policy implementation, infrastructure development, and demand-side realities intersect,” they write, a conclusion that makes state-level performance not just a policy question but an investment one.
The study is clear on what sets the leaders apart. “Andhra Pradesh, Uttar Pradesh, and Rajasthan do well under market enablers -- regulatory initiatives that accelerate renewable energy adoption, such as up-to-date policies, adoption of green tariffs and green open access mechanism, and progress on solar-hour-aligned time-of-day tariffs,” it notes.
Rajasthan makes perhaps the most compelling case on pure cost grounds. The desert state offers the lowest green tariff premium in the country -- just Rs 0.05 per kilowatt-hour -- a number that reflects both its renewable resource abundance and its deliberate policy choices to keep the cost of clean power competitive. Its renewable energy policy landscape is among the most well-established in India, giving investors the regulatory predictability they prize above almost everything else.
Uttar Pradesh presents a different kind of investment case. It is built around scale and momentum. India’s most populous state has set itself an ambitious solar capacity target of 22 gigawatts by FY27 and is already showing results, with an electric vehicle adoption rate of 10 per cent in FY25, among the highest in the country. It has introduced solar-hour-aligned time-of-day tariffs and is making early moves in green hydrogen, with a target of 1 million tonnes by 2028. This is a market that global investors are increasingly circling.
Its green tariff premium for FY26 stands at Rs 0.34 per kWh, lower than the previous year, signalling a direction of travel that investors will find encouraging. The study notes, however, that the state “could benefit from accelerating its efforts to install storage capacity to facilitate reliability of renewable energy sources”.
Andhra Pradesh rounds out the leading trio with perhaps the most diversified clean energy profile of the three. The southern state has 1.44 gigawatts of pumped hydro storage either operational or under construction. This is a strategic asset that sets it apart from most Indian states and directly addresses the intermittency problem that remains renewable energy’s central challenge for investors. It has adopted the Green Energy Open Access Rules of 2022, easing the path for large consumers to directly procure renewable power, and is actively deploying smart meters to implement solar-hour-aligned tariffs.
This diversified approach has had a measurable effect on investor confidence. As the study notes, Andhra Pradesh’s progress across multiple dimensions “has attracted significant investments across energy storage, green hydrogen production and exports, and renewable energy projects”.
Beyond the top three, Bihar and Assam have caught IEEFA’s attention as states making meaningful strides. The study singles them out as standing apart, “driven by improvement in their electric vehicle ecosystem, availability of attractive green tariffs, introduction of solar-hour-aligned ToD tariffs and updates to their renewable energy policies in 2025”. Both states signal that the field of serious clean energy destinations in India is widening, even if the leaders retain a clear edge for now.
Published on June 14, 2026
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