Reducing the amount of CO₂ in electricity generation requires more variable, sustainable wind and solar to replace fossil fuel burning sources. In the grid supply and demand must be equal second by second, if generation can not match consumer demand it creates an imbalance, leading to supply disruption and increased energy costs.
Our solution stores excess low-cost renewable electricity, to release at peak times, reducing consumer demand and cost. The customer then gets less expensive electricity, mitigates future price rises, reduces supply risk and helps balance the grid.
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1. Cheap renewable electricity drives the compressors
2. Air enters & is compressed
3. Compression heat retained
4. Compressed air stored
5. Stored air released
6. Stored heat energises air
7. Hot air drives expander generator to make electricity
8. Cool clean refrigeration air
9. Revenue or cost avoidance
How it works for the customer
Excess energy
Excess renewable energy generation
Use electricity
Users store electricity on-site
Electric motor
Electricity powers
compressor squashing air
Storage
Energy stored as air
pressure and heat
Peak demand
Expensive peak
demand periods
Local energy
Switch to local
store of electricity
Cost saving
Costs avoided
up to 56% saved
Flexibility
Cost avoided
flexible use
Ofgem Policy
Network operators must grow capacity using ‘flexible‘ solutions, battery storage or smoothing peaks in demand, before building expensive new network capacity coordinate data on local energy use – sharing this with flexibility providers, accelerating and increasingly decentralised energy market