Invinity Energy Systems
Vanadium Flow Batteries
Safe, scalable long-duration storage with non-flammable electrolyte, independently scalable power and energy, exceptional cycling capability and 25–30+ year design life.
Energy That
Never Sleeps
Renewable energy has transformed how the world generates electricity. The next challenge is ensuring that clean energy is available whenever it is needed — not just when the sun shines or the wind blows.
Sai Bioenergy delivers advanced long-duration energy storage solutions that improve grid reliability, strengthen energy resilience and unlock the full potential of renewable power.
Explore Our Storage Portfolio
ScrollWhy energy storage matters
Every renewable grid needs reliable storage
Renewable energy generation is naturally variable. Energy storage bridges the gap by storing electricity when renewable generation is abundant and delivering it when demand rises. The result is a cleaner, more reliable and resilient energy system capable of supporting higher levels of renewable energy adoption.
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Why long-duration?
Beyond four hours. Built for the future.
As renewable penetration increases, power systems require storage solutions that deliver energy for longer durations — not just rapid response. Long-duration energy storage shifts renewable energy across hours and eventually days, improving grid flexibility, reducing renewable curtailment and supporting a low-carbon future.
2 hours
Frequency response
4 hours
Daily peak shaving
8 hours
Overnight shifting
12 hours +
Multi-day resilience
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Portfolio
Solutions built for every energy challenge
Sai Bioenergy delivers technology-agnostic energy storage solutions, selecting the right technology based on application, duration, safety and lifecycle requirements.
Quino Energy
Organic Flow Batteries
Sustainable electrolyte chemistry, lower dependence on critical minerals, scalable architecture and next-generation long-duration storage.
Fast response
Lithium-ion Systems
Ideal for applications requiring fast response, shorter-duration storage and modular deployment.
Utility services
Grid Services
Peak shaving, frequency regulation, renewable firming, demand response and grid resilience.
Why flow batteries?
Built for endurance
Different technologies solve different energy challenges. Lithium-ion batteries excel in fast-response, short-duration applications, while flow batteries are designed for safe, long-duration energy delivery with exceptional lifecycle performance. Sai Bioenergy recommends the right technology for each project — not a one-size-fits-all solution.
| Characteristic | Lithium-ion | Flow battery |
|---|---|---|
| Best suited to | Fast response, short duration | Long duration, sustained delivery |
| Typical duration | 1–4 hours | 3–18 hours |
| Electrolyte | Flammable organic | Non-flammable, water-based |
| Depth of discharge | Partial, to preserve life | 100% |
| Cycle life | Degrades with cycling | Virtually unlimited cycles |
| Design life | 10–15 years typical | 25–30+ years |
| Power and energy scaling | Coupled | Independently scalable |
| Footprint | Compact | Larger for equivalent power |
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Applications
Energy storage across every sector
Supporting utilities, renewable energy projects, commercial and industrial facilities, data centres, mining operations, remote communities, industrial parks and microgrids with reliable, scalable storage solutions.
Utilities
Renewable projects
Commercial & industrial
Data centres
Mining operations
Remote communities
Industrial parks
Microgrids
Technology partnerships
Innovation through collaboration
Sai Bioenergy collaborates with globally recognised technology leaders including Invinity Energy Systems and Quino Energy to bring proven long-duration energy storage solutions to emerging markets. These partnerships combine world-class technology with local engineering expertise.
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At a glance
Building the infrastructure for tomorrow's renewable power systems
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Years design life
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Depth of discharge
Unlimited
Charge–discharge cycles
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Advanced flow battery technologies
Global
Technology partnerships
Grid-scale
Utility & industrial applications
Looking ahead
Building tomorrow's intelligent energy systems
The future of energy extends beyond storing electricity. Sai Bioenergy continues to explore AI-enabled energy management, virtual power plants, grid flexibility and emerging long-duration storage technologies to support resilient renewable power systems.
AI energy management
Virtual power plants
Flexible grid
Renewable integration
Energy independence
Questions
Energy storage, answered
A Vanadium Redox Flow Battery (VRFB) is a long-duration Battery Energy Storage System (BESS) that stores electricity in liquid vanadium electrolytes. Unlike conventional lithium-ion batteries, VRFBs offer long operational life, enhanced safety, unlimited charge-discharge cycles and flexible energy duration. Through partnerships with Invinity Energy Systems and Quino Energy, Sai Bioenergy delivers advanced VRFB solutions for renewable energy integration, microgrids and utility-scale energy storage.
While lithium-ion batteries are well suited for short-duration energy storage, Vanadium Redox Flow Batteries (VRFBs) are designed for long-duration energy storage. VRFBs provide longer operational life, non-flammable electrolytes, unlimited cycling capability and independently scalable power and energy capacity. These advantages make them well suited for renewable energy storage, grid balancing and applications requiring reliable energy over extended periods.
Vanadium Redox Flow Batteries are designed for a long operational life, typically exceeding 20 years, with the ability to perform tens of thousands of charge-discharge cycles without significant capacity degradation. Their durable design and reusable electrolyte make them an attractive solution for long-term renewable energy storage and utility-scale applications.
As renewable energy generation from solar and wind continues to grow, long-duration energy storage becomes essential for balancing electricity supply and demand. It stores excess renewable energy for use when generation is low, improving grid stability, reducing reliance on fossil fuel peaking plants and enabling a cleaner, more reliable and resilient energy system.
Battery Energy Storage Systems (BESS) can be deployed across utility-scale renewable energy projects, commercial and industrial facilities, microgrids, manufacturing plants, campuses and critical infrastructure. They help improve energy reliability, manage peak demand, integrate solar and wind power, provide backup power and support a more resilient electricity grid.