According to licenses granted by the Greek Regulatory Authority for Energy (RAE), the number of energy storage projects in development
rose to 134 at the end of 2021, with an overall storage capacity of 12,677 MW.
Of these, 120 projects purely concern energy storage, totaling 9,641 MW in capacity, while the other 14 licenses are for pumped-storage plants with a combined capacity of 3,037 MW.
In addition, RAE has also granted licenses for 47 hybrid RES units, combining energy storage facilities, with overall capacity of 1,672 MW. Thus, the overall capacity of all licensed energy storage projects, 181 in total, amounts to 14,351 MW.