The Renewable Energy Action Plan of Hungary has set ambitious goals for the decade,
concerning the use of renewables; wind capacity of the country is to be doubled in
this decade. However the question may arise, what technical conditions will be imposed
against the Hungarian power system as the result of such large-scale development?
Studies published by MAVIR Hungarian Transmission System Operator Company Ltd. (MAVIR)
and the Hungarian Energy Office (HEO) have highlighted two major obstacles of further
capacity extension, both in connection with insufficient regulatory reserves. Present
paper examines possible ways of extension by the use of energy storage. Examinations
were based on statistical data of the Hungarian power system between 2009 and 2011:
production of wind farms and the amount of spinning reserve available in 15 minute
horizon. Besides evaluation of these data, simulation software of self-development
were used. Present paper includes the results of calculations in connection with the
built-in capacity and the ramping rate of secondary reserves. The results highlight
that the aimed development of the wind capacity of Hungary requires significant but
not impossible increase of reserve capacity as well.