Why Is India's Renewable Energy Transition Running at Three Different Speeds?

Evaluating India's renewable energy growth requires looking beyond headline figures to understand the trade-offs between rapid capacity additions and long-term grid reliability. While solar provides immediate volumetric growth, the overall system depends on complementary technologies to maintain balanced power generation.

Solar energy currently leads national additions by generating clean electricity at low cost during daylight hours. To prevent power shortages when sunlight is unavailable, wind power generates during evening peaks and seasonal monsoon periods. Meanwhile, green hydrogen serves as a long-term energy carrier, taking clean power from solar and wind to replace fossil fuels in heavy manufacturing sectors that cannot be easily electrified directly.

• Solar added close to 38 GW out of roughly 48 GW of total renewable additions in 2025, driven by low tariffs and rooftop initiatives like PM Surya Ghar.
• Annual wind additions of 6.3 GW in 2025 fell short of national benchmarks but remain essential for grid balancing.
• Initial green hydrogen capacity reached about 8,000 tonnes per year by early 2026 against a broader 2030 policy goal.
• Early competitive bidding under the SIGHT program has yielded green ammonia prices below global benchmark averages.
• Solar and wind function as electron generators, while green hydrogen serves to store and transport that clean energy into industrial supply chains.

Because these technologies are interconnected across the power grid, sector benchmarks are increasingly evaluated together at industry platforms like the Renewable Energy India Expo.

How can power system planners balance the immediate cost advantages of solar against the long-term infrastructure investments needed for wind and green hydrogen?