PM Surya Sarovar Yojana: Significanc & Challenges

The Union Cabinet approved the ₹5,070 crore Pradhan Mantri Surya Sarovar Yojana (PMSSY) to promote floating solar power on reservoirs and ponds.

Key Facts & Figures

• Target Capacity: 5,000 MW floating solar with 10,000 MWh battery storage.
• Current Capacity: Around 700 MW installed floating solar capacity.
• Potential: India has 102.18 GWp floating solar potential across reservoirs and inland water bodies.
• Employment: Expected to create 16,000–17,000 job equivalents.
• Climate Benefit: May reduce nearly 10 million tonnes of CO₂ emissions annually.

About PM Surya Sarovar Yojana

• Objective: Develop 5,000 MW of floating solar capacity with minimum two-hour Battery Energy Storage Systems (BESS).
• Scheme Duration: Projects sanctioned during 2026–27 to 2030–31; financial support till 2032–33.
• Financial Assistance: ₹1 crore/MW Central Financial Assistance (CFA) after commissioning.
• Feasibility Support: Up to ₹50 lakh/project for bathymetry, hydrography, and environmental studies.
• Nodal Basis: Based on National Institute of Solar Energy (NISE) geospatial assessment estimating 102.18 GWp floating solar potential across India’s inland water bodies.

Significance of Pradhan Mantri Surya Sarovar Yojana

• Land Conservation: Harnesses reservoirs, unlocking India’s 102.18 GWp floating solar potential without acquiring additional land.
• Energy Security: Adds 5,000 MW floating solar with 10,000 MWh battery storage, ensuring reliable renewable power.
• Climate Action: Expected to reduce nearly 10 million tonnes of CO₂ emissions annually, advancing India’s Net Zero pathway.
• Water Conservation: Floating panels reduce reservoir evaporation while natural water cooling enhances solar module efficiency.
• Domestic Manufacturing: Expected to create 16,000–17,000 job equivalents, boosting indigenous manufacturing of floats, modules, and BESS components.

Challenges in Scaling Floating Solar

• Technical Standards: No globally accepted standards exist; the 22 MW O’Mega-1 (France) fire (2022) highlighted design vulnerabilities.
• Ecological Concerns: NISE permits up to 20% reservoir coverage, raising concerns over aquatic biodiversity and fisheries.
• Higher Costs: Floating solar requires floats, anchoring systems, and corrosion-resistant components, making it costlier than ground-mounted solar.
• Regulatory Complexity: Projects require approvals from water resources, forest, pollution control, and power authorities, delaying implementation.
• Engineering Constraints: Despite 102.18 GWp potential, site-specific anchoring, water-level variations, and grid evacuation remain major hurdles.

Way Forward for Floating Solar Development

• Standardise Infrastructure: Develop Indian technical and safety standards, drawing lessons from the 22 MW O’Mega-1 incident in France.
• Ecological Sustainability: Mandate scientific EIAs, biodiversity monitoring, and reservoir-specific carrying capacity assessments before project approval.
• Innovative Financing: Complement the ₹1 crore/MW Central Financial Assistance with green bonds, VGF, and blended finance.
• Inclusive Development: Protect fishing livelihoods through stakeholder consultations, compensation, and community benefit-sharing mechanisms.
• Strengthen Infrastructure: Expand grid connectivity, Battery Energy Storage Systems (10,000 MWh target), and reservoir-specific engineering for reliable power evacuation.

“Float Green, Power Clean.” Floating solar can transform reservoirs into sustainable energy hubs, advancing energy security and climate resilience.

Reference: Down to Earth

PMF IAS Pathfinder for Mains – Question 773

Q. Floating solar power can reconcile India’s renewable energy ambitions with land conservation goals. Discuss the significance of the Pradhan Mantri Surya Sarovar Yojana, the challenges in scaling floating solar projects, and measures for sustainable implementation. (250 Words) (15 Marks)

Approach

• Introduction: Write a Contextual introduction about floating solar power in India.
• Body: Write about the significance of the Pradhan Mantri Surya Sarovar Yojana, the challenges in scaling floating solar projects, and measures for sustainable implementation.
• Conclusion: Emphasize floating solar to ensure energy security, land conservation, climate resilience, and sustainable green growth.