Solar Market

Solar Market

Context

According to data released by the International Renewable Energy Agency (IRENA) and the Ministry of New and Renewable Energy (MNRE), India surpassed the United States to become the world's second-largest market for annual solar capacity additions in 2025. India added a historic 37 gigawatts (GW) of solar capacity over the year, solidifying its position as a primary engine of global green energy expansion.

Global and National Standings

Global Rankings

• Annual Growth Leaderboard: India secured second place globally by adding over 37 GW of solar capacity in 2025, moving ahead of the United States (34 GW). China continues to hold the absolute leading position, adding approximately 315 GW during the same period.
• Total Renewable Footprint: India ranks third globally in total cumulative renewable energy installed capacity, trailing only China and the USA. It has also overtaken Japan to become the world’s third-largest producer of solar power.
• Generation Milestones: Renewable energy generation reached historic peaks, temporarily meeting 51.5% of India's total electricity demand (supplying 203 GW) during peak generation periods.

Exponential Scaling Path

The speed of India's infrastructure deployment reflects a steep upward trajectory, showcasing a massive scale-up over the last decade:

Primary Drivers of Solar Growth

Natural and Geographic Advantages

• High Solar Insolation: India benefits from its tropical location, experiencing 300 to 330 peak sunny days annually. This geography provides intense solar radiation that guarantees highly efficient solar photovoltaic (PV) generation potential across most states.

Aggressive Domestic Policy Frameworks

• PM Surya Ghar: Muft Bijli Yojana: A flagship rooftop solar integration program backed by massive budgetary allocations. It has successfully powered over 40 lakh households, driving a 72% year-on-year explosion in the domestic residential solar segment.
• PM-KUSUM: A targeted agricultural initiative that enables farmers to set up standalone solar pumps and grid-connected solar power plants, clean-powering the rural irrigation sectors.
• Solar Park Scheme: Provides plug-and-play clear land parcels, extensive road connectivity, and robust power evacuation infrastructure to de-risk large-scale utility-scale projects for private developers.
• Production Linked Incentive (PLI) Scheme: Incentivizes domestic solar cell and module manufacturing. It has expanded India's module manufacturing capacity from 15 GW in 2021 to over 60 GW, systematically insulating the market from global supply chain shocks.

International and Grid Governance

• Global Alliances: India co-leads international green networks via the International Solar Alliance (ISA) and pushes the One Sun One World One Grid (OSOWOG) initiative to build multi-national connected grids that transmit solar power across time zones.
• Regulatory Reforms: The introduction of the Renewable Energy Equipment Import Monitoring System (REEIMS) portal ensures supply chain transparency, while specialized Inter-State Transmission System (ISTS) waivers incentivize early project execution.

Challenges and Bottlenecks

• Grid Integration and Balancing: Managing a grid where intermittent solar capacity shifts rapidly requires advanced balancing mechanisms, as high solar injection can cause transmission congestion during peak sunshine hours.
• Storage Infrastructure Deficits: The slower deployment of commercial Battery Energy Storage Systems (BESS) and Pumped Hydro Storage limits the grid's ability to store afternoon solar surges for peak night-time consumption.
• Upstream Supply Chain Vulnerabilities: While local module assembly has scaled rapidly, domestic manufacturing remains heavily dependent on imports for raw materials like solar ingots, wafers, and polysilicon chips.

Way Forward

Strengthening Grid Resilience

• Expand and speed up the creation of the Green Energy Corridors project to transport power from generation hubs in states like Gujarat and Rajasthan to heavy industrial load centers.
• Enforce non-solar hour connectivity frameworks and set up Virtual Power Purchase Agreements (VPPAs) to maximize grid space efficiency.

Fast-Tracking Advanced Manufacturing

• Fully implement long-term manufacturing targets under the Approved List of Models and Manufacturers (ALMM) pathways for advanced components to achieve true end-to-end technological self-reliance.
• Deploy large-scale financial incentives to bring commercial energy storage systems online alongside existing utility solar fields.

Conclusion

Surpassing the United States to become the world’s second-largest solar growth market represents a defining shift in India's industrial identity. By combining localized policies like PM Surya Ghar with ambitious cross-border initiatives like OSOWOG, India is proving that high-speed economic growth and aggressive decarbonization can scale hand in hand, positioning clean energy as the cornerstone of its modern economy.