The Ministry of Power (MoP) has mandated that all Renewable Energy Implementing Agencies (REIAs) and state utilities incorporate a minimum two-hour co-located energy storage system (ESS), equivalent to 10% of the installed solar capacity, in all solar tenders. The advisory also suggests that distribution licensees consider mandating two-hour storage for rooftop solar installations. If these requirements are fully implemented, approximately 14 GW/28 GWh of storage is expected to be installed by 2030. This move aims to address intermittency issues and provide essential support during peak demand hours.
The ESS mandate is crucial for enhancing grid stability and reliability by ensuring that energy generated during periods of low demand can be stored and used when solar power generation is low. The storage system can function in a single-cycle mode, charging with solar power and discharging during evening hours, or in a double-cycle mode, charging from the grid during low-demand hours and discharging during peak hours, alongside solar energy use. The Ministry’s proposal aims to help India achieve its goal of 500 GW of renewable energy capacity by 2030, while mitigating the intermittency challenges associated with renewable energy projects.
As of December 2024, the installed ESS capacity stands at 4.86 GW, including 4.75 GW of pumped storage and 0.11 GW of battery energy storage projects. The Central Electricity Authority's National Electricity Plan indicates that India will need 73.93 GW/411.4 GWh of storage to integrate the targeted 364 GW of solar and 121 GW of wind capacity by 2032. To support this, the Ministry of New and Renewable Energy has proposed a bidding trajectory of 50 GW annually for REIAs from 2024 to 2028, which includes at least 10 GW of wind tenders. Several standalone energy storage tenders have already been issued by REIAs and state agencies in recent months.
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Key Highlights
The FY26 budget allocated INR 256.49 billion to the renewable energy sector, a 39% increase from last year's initial estimate of INR 191 billion for MNRE.
The solar sector received the largest share of the allocation, with INR 241 billion, including INR 1.5 billion for solar power (grid) and INR 2.6 billion for PM KUSUM, which supports farmers by subsidizing solar pumps and solarizing existing grid-connected pumps.
The bulk of the funding went to PM Surya Ghar Muft Bijli Yojana, which saw a significant 81% increase in allocation, rising from INR 110 billion in FY25 to INR 200 billion in FY26.
The National Green Hydrogen Mission saw a major funding increase, with INR 6 billion allocated in the latest budget, double the INR 3 billion revised estimate for FY25, highlighting the government’s commitment to boosting the green hydrogen economy.
Report Insights
Examining the growth & trend of renewable geneartion in India.
Investment opportunity in renewable energy.
Pathways to Decarbonization and Net-Zero Targets
Sustainability Strategies and Energy Efficiency Initiatives
Grid Modernization and Energy Storage Integration
Role of Public-Private Partnerships in Accelerating Growth
Growth Patterns & Projections for Renewable Energy
Comparative Analysis: Renewable vs Conventional Energy Growth
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