A large number of units operate in the production of electricity from RES, either individually or as subsidiaries of larger companies. Over the last few years some company groups have adopted strategies that include mergers through absorption of fully owned subsidiaries.
The total sales of the companies which operate in the production of electricity from RES decreased by 3.1% in 2019/18. The EBITDA of these companies shrank by 7% over the same period.
The annual installed capacity of RES units increased by an average annual rate of 18.9% during the period 2002-2019, while a further rise is expected for 2020.
Wind systems account for the largest part of the total installed capacity with a share of 53.6%, followed by photovoltaic systems with 41.5%.
The total electricity generation from RES increased during the period 2006-2019 by an average annual rate of approximately 14.6%. The overall sales of electricity from RES units showed an impressive increase in the period 2008-2019 by an average annual rate of 21.4%.