Cabinet approves Rs 5,070 crore floating solar scheme
The Union Cabinet approved the Pradhan Mantri Surya Sarovar Yojana (PM-SSY) on 31 July 2026, with a total outlay of Rs 5,070 crore
The scheme targets development of 5,000 MW (5 GW) of Floating Solar Photovoltaic (FSPV) capacity on reservoirs, ponds, and other suitable water bodies, paired with battery energy storage systems of at least two hours' duration (10,000 MWh nationally)
Project sanctions will run from 2026-27 to 2030-31, with financial support continuing until 2032-33
Central Financial Assistance of Rs 1 crore per MW will be released on commissioning, with up to Rs 50 lakh per project available for feasibility studies and environmental assessments
The scheme is expected to cut nearly 10 million tonnes of CO2 emissions annually and generate about 16,000-17,000 job equivalents across the value chain
Floating Solar Photovoltaic (FSPV) Technology
Floating solar involves mounting photovoltaic panels on pontoons or floats anchored on water bodies such as reservoirs, irrigation canals, and industrial ponds, instead of on land. It has emerged as a complementary pathway to ground-mounted solar in land-scarce or water-abundant regions.
Key Details
- Water's cooling effect on panels typically improves energy yield by roughly 5-15% compared to equivalent ground-mounted systems, since PV efficiency declines as panel temperature rises
- FSPV installations reduce reservoir water evaporation, with panel shading cutting evaporation losses by roughly 20-33% depending on coverage and site conditions
- The National Institute of Solar Energy estimated India's floating solar potential at approximately 102 GW-peak across the country's water bodies
- India's largest operating example is the Omkareshwar Floating Solar Power Park on the Narmada river in Madhya Pradesh, envisaged to scale up to 600 MW
PM-SSY is the first dedicated national scheme to scale floating solar with attached storage, moving the technology from isolated state-level projects (like Omkareshwar) to a nationally funded, reservoir-by-reservoir rollout.
India's Renewable Energy and Non-Fossil Capacity Targets
India's Nationally Determined Contribution (NDC) under the Paris Agreement commits to 500 GW of installed electric capacity from non-fossil sources by 2030, a target announced at COP26 (Glasgow, 2021).
Key Details
- India's non-fossil fuel share of installed power capacity crossed 50% in mid-2025, five years ahead of the 2030 NDC deadline
- Total renewable energy capacity stood at roughly 288 GW as of June 2026, with solar alone contributing about 162 GW
- The 500 GW non-fossil target sits alongside India's broader NDC goals: a 45% reduction in emissions intensity of GDP by 2030 (from 2005 levels) and creation of an additional carbon sink of 2.5-3 billion tonnes of CO2 equivalent through forest and tree cover
- Floating solar contributes to this target without requiring additional land acquisition, a persistent bottleneck for ground-mounted solar parks
PM-SSY's 5 GW target is a incremental but land-neutral contribution toward India's 500 GW non-fossil capacity goal, using water-body surfaces that don't compete with agricultural or forest land.
Battery Energy Storage Systems (BESS) and Grid Integration
Solar generation is intermittent, so pairing it with battery storage allows power to be dispatched even when sunlight is unavailable, improving grid reliability and reducing curtailment of renewable output.
Key Details
- PM-SSY mandates a minimum 2-hour storage duration for supported projects, aggregating to a targeted 10,000 MWh of storage capacity nationally
- This aligns with India's broader push for BESS, including the Viability Gap Funding scheme for standalone battery storage approved by the Ministry of Power
- Storage-backed renewable projects help reduce dependence on fossil-fuel-based peaking power plants during non-generation hours
- Combining floating solar with storage on the same water body reduces transmission losses by co-locating generation and storage infrastructure
The scheme's storage requirement distinguishes it from earlier solar schemes that funded generation capacity alone, reflecting a shift in policy toward "storage-linked" renewable capacity addition.
- PM-SSY total outlay: Rs 5,070 crore
- Target floating solar capacity: 5,000 MW (5 GW)
- Minimum storage requirement: 2 hours per project; 10,000 MWh aggregate national target
- Central Financial Assistance: Rs 1 crore per MW on commissioning; up to Rs 50 lakh per project for feasibility studies
- Implementation window: project sanctions 2026-27 to 2030-31; financial support until 2032-33
- Expected annual CO2 reduction: ~10 million tonnes
- Expected employment: ~16,000-17,000 job equivalents
- India's current floating solar installed base: approximately 700 MW, against an estimated national potential of ~102 GW-peak
- States with the highest floating solar potential: Maharashtra, Madhya Pradesh, Karnataka, Odisha, and Telangana