India’s clean energy ecosystem in 2025 is witnessing a seismic shift, not only in renewable generation but in how that energy is stored and managed. With solar capacity surpassing 100 GW, the next big challenge is ensuring consistent supply when the sun sets. Enter solar energy storage startups—innovative players combining lithium-ion, sodium, and hybrid battery technologies with AI-based energy management systems to redefine India’s power landscape.
Introduction: The Next Frontier in India’s Energy Revolution
Solar energy is abundant but intermittent—a challenge India’s renewable grid must overcome to maintain stability. As the country races toward its 500 GW renewable energy goal by 2030, energy storage has become the backbone of the transition.
Battery Energy Storage Systems (BESS) are now integral to solar farms, microgrids, and even rooftop setups. With the government’s comprehensive policy framework and funding under the National Green Hydrogen Mission and Production Linked Incentive (PLI) for advanced chemistry cells (ACC), startups are driving large-scale adoption.
These enterprises are merging chemistry, software, and engineering to create India’s decentralised, carbon-neutral future.
Why Energy Storage Is Critical for India’s Solar Future
1. Grid Stability
Storage balances the mismatch between solar energy supply (daytime) and consumer demand (evening).
2. Peak Load Management
Stored solar energy releases during peak hours, reducing blackouts and pressure on thermal power plants.
3. Hybrid Energy Systems
With wind and solar complementing each other, hybrid projects with battery banks ensure 24/7 renewable generation capability.
4. Electrification of Rural India
Off-grid energy storage supports India’s Revamped Distribution Sector Scheme (RDSS), powering thousands of remote villages.
5. EV Expansion
Battery innovation for solar energy storage accelerates synergy with India’s EV ecosystem, as many startups now produce dual-purpose cells for grid and transport integration.
Read Also: Home Battery Storage & Solar System: Cost per kW in Tamil Nadu
India’s Policy Support for Solar Energy Storage
The Indian government’s 2025 roadmap for storage revolves around four key pillars:
- National Energy Storage Mission (NESM): Aims for 160 GWh of grid-connected storage capacity by 2030.
- PLI for Battery Manufacturing: ₹18,100 crore allocated to scale domestic production of advanced battery chemistries.
- Solar Power-Storage Hybrid Projects: SECI tenders require co-located storage systems with every solar park.
- Green Hydrogen and Storage Synergy: As energy carriers, battery systems enable renewable-powered hydrogen electrolysis at scale.
Top Solar Energy Storage Startups Transforming India 2025
These companies are solving India’s biggest renewable challenge—making sunlight reliable 24/7.
1. Log9 Materials Scientific Pvt Ltd – Bengaluru
Technology: Aluminum-fuel-cell and graphene-based battery systems.
USP: India’s first indigenous fast-charging cell manufacturer.
Achievements:
- Launched Solar Integrated RapidX Battery Packs used for microgrids and EVs.
- Opened India’s largest 2 GWh battery manufacturing facility in Bengaluru.
- Successfully deployed solar-powered micro-stations under Karnataka’s “Suryashakti” program.
Impact: Reduced dependence on lithium imports through alternative cell chemistry while integrating with decentralized solar energy hubs.
2. Amara Raja Energy & Mobility Ltd – Tirupati
Technology: Lithium-ion and solid-state storage systems.
USP: Adapting its legacy manufacturing excellence into large-scale Battery Energy Storage Systems (BESS).
Highlights:
- Partnering with the Indian Institute of Science (IISc) to develop sodium-ion and solid-state storage.
- Operating 500 MWh “Amara GridVault” project combining solar and wind integration.
- New “SolarCharge Pro” battery designed for rooftop solar users saves 25% in lifetime operational cost.
Impact: Strengthening India’s industrial-grade renewable storage infrastructure.
3. SunGarner Energies Ltd – Delhi NCR
Technology: Scalable lithium-ion and lithium-iron-phosphate (LFP) packs for solar homes.
USP: Plug-and-play solar energy backup systems for homes and SMEs.
Achievements:
- Developed SunVault Home Storage (10 kWh) powered by AI-based power analytics.
- Installed 2000+ residential solar plus storage setups in Uttar Pradesh and Haryana.
- Launching India’s first “solar battery-as-a-service” (SBaaS) model in rural markets.
Impact: Democratizing solar energy access for small-scale users while replacing diesel generators.
4. Loom Solar – Faridabad
Technology: Integrated solar + battery storage systems for rooftop and off-grid applications.
USP: E-commerce powerhouse simplifying residential adoption of solar storage.
Milestones:
- Developed Shakti Lithium, India’s first smart IoT-enabled battery for hybrid solar inverters.
- Providing energy-as-a-service solutions to over 50,000 homes across Tier-2 cities.
- Works closely with MNRE and MSME Ministry on rooftop integration projects.
Impact: Bridging the gap between urban and rural solar adoption through affordable storage innovation.
5. Exide Energy Solutions – Kolkata
Technology: Lithium-ion, lead-acid hybrid systems, and sodium-based BESS.
USP: Leveraging 75 years of energy experience for advanced solar storage innovation.
Highlights:
- Commissioned India’s first 250 MW integrated solar-storage plant in Gujarat.
- Partnered with Okaya and Tata Power to supply BESS for microgrids in Ladakh and Bihar.
- Developing Energion Energy Packs, 20% lighter and more thermally stable than imported batteries.
Impact: Contributing to India’s large-scale energy security through strategic public and private partnerships.
6. Tata Power Renewable MicroGrid Ltd – Mumbai
Technology: Hybrid Solar + BESS Modules for rural electrification.
USP: Smart mini-grids that combine local storage with power analytics.
Initiatives:
- Commissioned 10 MWh BESS units in Delhi and 100 microgrid installations under Tata’s Solar 24×7 Mission.
- Piloting AI-managed virtual power plants (VPPs) that connect multiple dispersed solar systems to function as a unified grid.
Impact: Creating India’s biggest “solar storage village network” in remote areas like Jharkhand and Chhattisgarh.
7. Okaya Power Group – New Delhi
Technology: LFP and lithium-titanate (LTO) batteries for grid and EV charging.
USP: Robust, low-maintenance batteries suited for India’s climate.
Key Projects:
- Partnered with BHEL for 200 MWh standalone storage integration with SECI solar parks.
- Providing smart inverters and ESS systems for telecom towers powered by solar microgrids.
Impact: Helping telecom, transport, and power sectors transition from diesel-based systems to renewable storage.
8. Shizen Energy India Pvt Ltd – Chennai
Technology: Modular lithium-ion battery packs supporting electric and solar grids.
USP: Japan-backed precision energy storage systems with AI-based predictive control.
Achievements:
- Runs a 2 GWh production plant in Tamil Nadu dedicated to solar and EV ecosystems.
- Launched “ZenGrid” energy management software for predictive charging and dispatch.
Impact: Strengthens India’s manufacturing base and brings resilient storage closer to solar-intensive southern grids.
9. Livguard Energy – Gurugram
Technology: Advanced energy storage and hybrid LFP batteries for residential and enterprise use.
USP: Indian-built next-gen batteries optimized for fast charging and solar compatibility.
Milestones:
- Installed 700+ hybrid solar storage systems in industrial parks.
- Partnered with Energy Efficiency Services Ltd. (EESL) to deploy smart ESS networks across smart cities.
Impact: Empowering smart city and industrial solar integration zones across India.
10. Sthyr Energy – Pune
Technology: Sodium-sulfur and zinc hybrid battery systems.
USP: Pioneering non-lithium storage for high-temperature solar zones.
Highlights:
- Deploying containerized 100 MWh ESS systems in Rajasthan and Gujarat.
- Developing SthyrSun, a recyclable zinc battery designed for extreme heat durability.
- Recipient of MNRE’s 2025 National CleanTech Innovation Award.
Impact: Offering sustainable, mineral-diverse alternatives to lithium-dominated energy ecosystems.
Market Momentum and Investment Trends
India’s energy storage sector received more than $5 billion in investments in 2024–2025, driven by global interest and domestic demand.
- Over 32 GW/160 GWh of storage is planned by 2030 to support renewables.
- Foreign direct investments are fueling partnerships between Indian companies (like Exide, Tata, and Amara Raja) and international giants (CATL, LG Energy, Gotion).
- Startup incubation programs by India Energy Storage Alliance (IESA) are accelerating 100+ home-grown ESS innovations.
The solar-plus-storage industry is projected to grow at CAGR 26% (2025–2032), positioning India as the next global ESS manufacturing hub.
Technological Innovation Driving the Storage Revolution
1. Solid-State Batteries
Offer higher energy density and safety; under pilot manufacturing by Amara Raja and Log9.
2. Sodium-Ion Solutions
Being advanced by startups like Sthyr and IIT-run spinoffs for cost-effective, heat-tolerant storage.
3. Flow Batteries (Zinc and Vanadium)
Longer life cycles for grid-scale hybrids (Tata Power, JSW Energy work with SECI tenders).
4. AI-Powered Energy Management Systems
Startups employ predictive algorithms to forecast energy demand and storage dispatch, improving grid efficiency by 15–18%.
Challenges in Scaling Energy Storage
- High Import Dependency: Lithium-ion raw materials are largely imported.
- Recycling Infrastructure: Limited closed-loop battery recycling facilities.
- Policy Uncertainty: Evolving tariff structures and weak clarity on ownership models for distributed storage.
- Lack of Investor Awareness: Many investors hesitate to fund capital-heavy ESS despite scalability potential.
The next focus for India’s industry will be localization of materials, scaling green battery recycling, and creating skill programs for ESS technicians.
Future Outlook: India’s Path to 500 GW with Smart Storage
By integrating smart battery storage, India is finally solving the intermittency problem of renewables. With startups leading in innovation and scalability, the future grid will no longer rely solely on thermal backup.
Storage will connect:
- EV fleets feeding back power to the grid (V2G technology).
- Distributed solar microbeds powering rural industries.
- Virtual power plants (VPPs) balancing renewable loads nationwide.
By 2030, India is expected to host over 150 GWh of battery capacity, enabling around-the-clock renewable energy and fuelling the country’s net-zero 2070 mission.
Read Also: Commercial Rooftop Solar System Payback in India 2025: A Complete Guide for Businesses
Conclusion
Solar energy storage startups in India are no longer just supporters of the renewable dream—they are the architects of its future. From logistics to local microgrids, startups like Log9, SunGarner, and Shizen Energy are building an ecosystem that thrives on sustainable innovation. As hybrid solar parks and modular storage units expand nationwide, India’s commitment to renewable independence moves closer to reality.
In the era of energy equity and environmental resilience, India’s solar storage pioneers will play the defining role in powering the world’s clean energy decade.
FAQs
Q1. Why is energy storage important for solar energy in India?
Storage balances energy supply, improves reliability, and enables 24/7 renewable power from variable sources like solar and wind.
Q2. What are the top emerging energy storage startups in India in 2025?
Startups like Log9 Materials, SunGarner Energies, Loom Solar, Shizen Energy, and Sthyr Energy are leading with cutting-edge battery technologies.
Q3. How much storage capacity does India aim to install by 2030?
The government targets 32 GW / 160 GWh storage capacity under the National Energy Storage Mission.
Q4. What battery chemistries are trending in India?
Lithium-ion (LFP), solid-state, zinc, and sodium-ion batteries dominate R&D and pilot installations.
Q5. What is the growth potential of India’s energy storage market?
The solar-plus-storage segment is expected to grow by over 25% annually, establishing India as a global ESS manufacturing hub.