India's Renewable Energy Expansion: Policy Successes and Grid Stability Challenges

The Hindu - Opinion · 5 Jun 2026 · 2 min read
Prelims · Environment Mains · GS3 Environment and biodiversity High relevance

India's renewable energy capacity has surged to 279.25 GW by 2026, with solar leading at 154.24 GW, but grid stability and storage infrastructure must evolve to sustain this growth.

Key points

Solar Energy Dominance: India's solar capacity grew from 2.8 GW in 2014 to 154.24 GW by 2026, making it the largest contributor to the country's renewable energy mix, with ground-mounted projects (117.36 GW) and rooftop systems (26.75 GW).

Wind Energy Complementarity: Wind power capacity reached 52 GW, with major corridors in Gujarat, Tamil Nadu, Karnataka, Rajasthan, and Maharashtra, providing evening and monsoon generation to balance solar's daytime output.

Policy Architecture: Government initiatives like solar parks, production-linked incentives, Green Energy Corridors, and mandates by the Solar Energy Corporation of India have driven this growth, enhancing energy sovereignty.

Grid Stability Challenges: Solar's intermittency creates a mismatch between midday oversupply and evening demand peaks, leading to transmission congestion, renewable curtailment, and reliance on thermal power for balancing.

Energy Storage Imperative: The National Electricity Plan, 2023 projects storage needs of 411.4 GWh by 2031-32, with Battery Energy Storage Systems (BESS) and Pumped Storage Projects (PSP) critical for grid reliability.

Hybrid Systems: Combining solar, wind, and storage is emerging as the most resilient pathway, with the Ministry of Power Energy Storage Obligation mandating 4% storage by FY30.

[GS3-Economy] The renewable expansion aligns with India's climate goals under the Paris Agreement and supports domestic manufacturing, reducing import dependence on fossil fuels.

Long-Term Planning: By 2035-36, India aims for 509 GW solar, 155 GW wind, and 174 GW/888 GWh storage capacity, retaining coal strategically for baseload support.

Way Forward: India must accelerate investments in grid modernization, storage infrastructure, and demand-side management, while strengthening domestic manufacturing and R&D for advanced renewable technologies.

Key terms

Solar Energy Corporation of India (SECI)

A public sector undertaking under the Ministry of New and Renewable Energy (MNRE), SECI is responsible for implementing solar energy projects, conducting competitive bidding, and facilitating renewable energy adoption. It plays a pivotal role in India's renewable energy transition by driving large-scale solar park development and hybrid projects.

National Electricity Plan (NEP)

A statutory document under the Electricity Act, 2003, prepared by the Central Electricity Authority (CEA), the NEP outlines India's power sector roadmap, including capacity addition, transmission planning, and renewable integration. The 2023 edition emphasizes storage and grid stability as critical for India's energy future.

Battery Energy Storage Systems (BESS)

Technologies that store electrical energy in batteries for later use, BESS are essential for managing renewable intermittency. They provide short-duration balancing, frequency regulation, and peak shaving, making them indispensable for India's grid as solar penetration increases.

Pumped Storage Projects (PSP)

Hydroelectric storage systems that pump water to a higher reservoir during low demand and release it to generate power during peak demand. PSPs offer long-duration storage (6-10 hours) and are crucial for India's renewable integration, especially in hilly regions with suitable topography.