Advantages of Caverns

Based on the experience from Scandinavian and other countries, underground cavern storage of LPG is much safer than the above-ground pressurized spheres/bullets/ refrigerated tanks. About 80 caverns for LPG storage already exist in the world.

Underground storage is safe from warfare, sabotage and natural calamities like earthquakes
There is no risk of leakage and hence, the threat to the environment is minimal
They need much less land area than surface storage facilities
The natural landscape and scenic beauty of the project area is not affected as the major installations are located underground as compared to above-ground storage facilities
They can be used as buffer/ strategic storage for the country
For large quantity storage, underground cavern storage is cheaper as compared to above-ground storage. Underground storage also needs little maintenance
Underground storage has longer life as compared to surface tanks