We Build

Utility-Grade Energy Storage

What Makes Invinity Utility-Grade?

Non-flammable, safe-by-design construction. High throughput, unlimited-cycling systems that give you the operational freedom to maximize your ROI. A 25-year lifespan that matches your solar and wind assets. Invinity designs and manufactures the world’s first true utility-grade energy storage for grid-scale, C&I, and microgrid applications.


Zero risk of thermal runway, exceptional personnel safety for crews & first responders

Long Life

Suitable for 25+ years of constant cycling, matching the lifespan of solar & wind assets


The lowest price per MWh stored & discharged over the lifetime of the battery


Demonstrated performance in commercial applications in the field

Inside the World’s First Productized Vanadium Flow Battery

Vanadium flow is a proven, decades-old storage technology. Invinity changed the game by crafting it into a factory-built product. Our safe, modular VFBs create storage solutions at any scale.

Utilities & Developers

Invinity’s VFB technology is ideal for grid-scale service providers who need proven reliability and long-term flexibility from their storage assets, with the lowest long-term costs:

  • Access wholesale trading and arbitrage revenues
  • Dispatch renewable energy on demand
  • Participate in ancillary services markets

Commercial & Industrial Businesses

C&I customers around the world use Invinity batteries to unlock reliable, low-cost, low-carbon energy for their operations. An ideal complement to PV, pairing flow storage allows businesses to:

  • Reduce electricity costs
  • Accelerate carbon reduction targets
  • Improve resilience

Microgrid Operators

Businesses with tenuous or no grid power supply need greater operational reliability. By storing and time shifting renewable energy, Invinity flow batteries provide energy security to keep sites running around the clock:

  • Secure power
  • Reduce fuel costs
  • Lower carbon emissions

Leading in Utility-Grade Energy Storage


Across 14 countries on five continents


Deployed or contracted with our customers


The most experienced team in flow batteries


Granted or pending plus trade secrets & know how


Of R&D investment in our product and manufacturing

Our energy storage has been deployed across the world.

Learn how our customers are unlocking the power of renewable energy – in front of and behind the meter.


Are UK power prices having their own climate emergency?

2021 has seen unprecedented spikes in UK wholesale power prices. Our analysis of what’s driving these increases, and how the role of energy storage is being impacted.

Latest Content

Australia / Demand Charges

In the right locations, co-located solar & storage can bring C&I customers project IRRs as high as 20%.

Battery Safety

Battery safety, especially fire safety, is becomeing an increasing concern. Learn how our VFBs offer revolutionary fire safety. 


Listen to CCO Matt Harper’s interview with Suncast host Nico Johnson as they discuss pioneering vanadium flow batteries.

Our Customers

Maharishi International University and Invinity Energy
Energy Superhub Oxford
Pivot Power and Invinity Energy
Sandbar Solar and Invinity Energy
Anglian Water and Invinity Energy
Huanghe Hydropower and Invinity Energy