Invinity Energy Systems: Powering the Future of Renewable Energy Storage
The global shift towards renewable energy is not just about generating power from clean sources like solar and wind. It is equally about storing that energy reliably, safely, and cost-effectively so that it can be used when required. This is where Invinity Energy Systems steps in as a leader in vanadium flow battery technology. Headquartered in Liverpool Street, England, and listed on the London Stock Exchange under the ticker AIM: IES, the company has positioned itself at the forefront of long-duration, utility-grade energy storage solutions.
This article takes a comprehensive look at Invinity Energy Systems: its technology, origins, market presence, global projects, and the unique value it brings to the renewable energy sector.
What is Invinity Energy Systems?
Company Overview
Invinity Energy Systems plc is a UK-based energy storage manufacturer specialising in vanadium redox flow batteries (VRFBs). These batteries are specifically engineered to meet the energy storage demands of large-scale industries, businesses, and electricity networks. Unlike conventional lithium-ion batteries, vanadium flow batteries are built for high-utilisation applications where continual charging and discharging are essential.
The company was founded in April 2020 through the merger of two pioneers in the flow battery space: redT energy plc and Avalon Battery Corporation. By combining European and North American expertise, Invinity has created one of the strongest players in the global long-duration storage market.
Key Facts About Invinity Energy Systems
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Website: https://invinity.com
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Headquarters: Liverpool Street, London, England
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Founded: 2020 (via merger of redT energy plc and Avalon Battery Corporation)
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Industry: Electrical Equipment Manufacturing (energy storage)
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Global operations: United Kingdom, Canada, USA, Australia, and China
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Deployment record: Over 75 MWh of systems installed across 82 sites in 15 countries
The Technology Behind Invinity
Vanadium Flow Batteries Explained
At the heart of Invinity’s product line lies the vanadium redox flow battery. Unlike lithium-ion technology, which stores energy within solid electrodes, VRFBs store energy in a liquid electrolyte containing vanadium ions.
Advantages of VRFBs
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Durability: Capable of operating continuously for over 25 years without degradation.
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Safety: Non-flammable, eliminating risks of thermal runaway and fires.
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Scalability: Systems can be expanded from 2 MWh to multi-hundred MWh facilities.
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Sustainability: Fully recyclable electrolyte, with no reliance on conflict minerals such as cobalt.
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Economics: Low cost per megawatt-hour over the lifetime of the battery, making them particularly attractive for high-cycling applications.
Factory-Built and Highly Scalable
Invinity’s batteries are factory-assembled, modular units. This allows for quicker deployment and reliable performance. They are designed to be stacked together, enabling customers to create storage systems of virtually any size.
Why Invinity Energy Systems Matters
Meeting the Challenge of Renewable Intermittency
Renewables like solar and wind are intermittent by nature. The sun does not always shine, and the wind does not always blow. This intermittency can destabilise electricity grids if not balanced properly. Invinity’s VRFBs enable renewable firming, ensuring that clean power is available on demand, day or night.
Long-Term Value Proposition
While lithium-ion remains the mainstream storage technology for short-duration applications, it cannot match the long life and unlimited cycling of flow batteries. Invinity positions its systems as the more economical and sustainable choice for projects that demand daily cycling over decades.
Global Reach and Projects
International Presence
Invinity operates across five major regions:
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United Kingdom – Headquarters and major projects such as the Energy Superhub Oxford.
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Canada – Home to one of the largest solar-plus-flow battery projects in North America.
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United States – Expanding commercial and industrial applications.
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Australia – Strong market for renewable integration in isolated grids.
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China – Significant opportunities in grid stabilisation and industrial energy management.
Deployed Capacity
To date, Invinity has deployed around 75 megawatt-hours (MWh) of energy storage across 82 sites. These include utility-scale projects, microgrids, and commercial installations in 15 countries worldwide.
Corporate Growth and Strategy
Listing and Financials
Invinity is quoted on the London Stock Exchange’s AIM market under the ticker IES. This provides the company with access to international capital to fund its growth and global expansion. Despite the typical challenges of scaling clean-tech businesses, Invinity has continued to attract investor support, underpinned by strong market fundamentals for long-duration storage.
Workforce and Culture
With 51–200 employees and a growing global footprint, Invinity positions itself as a mid-sized scale-up with the agility of a start-up and the credibility of a listed entity. It actively recruits specialists in engineering, manufacturing, project delivery, and energy markets.
Specialties and Expertise
Core Areas of Focus
Invinity Energy Systems is not simply a manufacturer of batteries. It is a solutions provider covering:
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Energy Storage Solutions – Comprehensive design, delivery, and lifecycle support.
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Vanadium Redox Flow Technology – Proven long-duration chemistry.
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Renewable Integration – Firming and shifting renewable energy for reliability.
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Energy Management – Helping businesses lower bills and emissions.
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Grid Infrastructure Support – Stabilising networks with large-scale storage.
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Solar Firming – Ensuring solar projects deliver consistent power output.
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Long-Duration Storage (VRFBs) – Systems capable of multi-hour discharge.
Careers at Invinity
The company is actively hiring across multiple regions. Interested professionals can explore opportunities via their dedicated careers portal at https://invinity.com. With a mission to accelerate the global transition to renewable energy, Invinity seeks talent passionate about innovation, sustainability, and large-scale impact.
Future Outlook
Market Drivers
The global energy storage market is expected to expand rapidly as countries pursue net-zero carbon targets. Long-duration storage technologies like VRFBs are increasingly recognised as critical to this transition.
Invinity’s Edge
With proven deployments, a strong technological foundation, and growing global recognition, Invinity Energy Systems is well placed to capture opportunities in:
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Utility-scale renewable projects
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Commercial and industrial energy optimisation
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Microgrids in remote regions
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Hybrid systems combining different storage technologies
Conclusion
Invinity Energy Systems is much more than a battery manufacturer. It is a pioneer shaping the future of renewable energy storage. With its robust vanadium flow battery technology, global project base, and strong UK roots, the company offers a safe, reliable, and economical solution to one of the most pressing challenges of our time: how to store renewable energy effectively.
As the world continues its transition to clean power, Invinity stands out as a company that not only develops cutting-edge technology but also enables the very infrastructure that makes net-zero achievable.
