Advanced Compressed Air Energy Storage
A Unique Grid Storage Solution
See how an A-CAES facility works
A-CAES in 4 simple steps
Capture Heat in Thermal Store 2
Heat is extracted from the air stream and stored inside a proprietary thermal store preserving the energy for use later in the cycle. This adiabatic process increases overall efficiency and eliminates the need for fossil fuels during operation.
Convert Compressed Air to Electricity On Demand 4
Hydrostatic pressure forces air to the surface where it is recombined with the stored heat and expanded through a turbine to generate electricity on demand.
A-CAES Process Flow
A-CAES is a unique, patented grid storage solution: A-CAES provides long duration energy storage like pumped hydro but with the key advantages of flexible siting where needed by the grid and with significantly less environmental impacts. This allows A-CAES to effectively target high value grid applications such as transmission deferral and fossil fuel generation replacement. The technology offers the same services as a natural gas plant while having zero emissions using surplus electricity as fuel. A-CAES is much more cost effective than batteries at large scale and has a life of 50+ years making the asset ideally suited for the long duration energy market required for decarbonizing of electrical grids globally.