Based on the work already conducted by the project collaborators (DNV, PGL Airtricity and Scottish Enterprise), the project is expected to show that compressed air storage is technically and economically feasible, and that it will have very limited adverse environmental or social impacts. The project is relevant at this time as several major wind farm projects have already been proposed for the UK and Ireland with significant national grid connectivity issues still to be resolved. As the respective UK and Irish governments have established specific targets for renewable energy supply, large-scale storage will help ensure that these targets can be met. The renewable energy industry will also gain increased confidence that its projects will be able to proceed. The project aims to identify a demonstrator site followed by rapid commercial deployment of the technology across the UK, Ireland and overseas

The following benefits could be derived by the various stakeholders:

• Investors - potential ownership of storage schemes, with the promise of higher revenues from energy being supplied "on demand".
• Renewables developers - reduced costs for connecting to the grid (if a wind farm delivers a peak output of 300 MW(average 100MW), the average output from a storage facility might be 100 MW, with a 70% - 80% reduction in cost to connect to the grid); also the ability to develop "island minigrids" where the national grid is virtually inaccessible
• Grid owners / operators - reduced need for additional transmission assets, and much more efficient use of existing assets, better integration of power into the system, reduced cost of keeping back-up generation on standby, increased reliability of electricity supply.
• Offshore operators - offset of decommissioning costs as well as innovative new uses for infrastructure and depleted reservoirs.