while member countries are free to choose the energy mix they prefer the combination of fixed feedin tariffs fits and grid priority for renewables means that the latter have no incentive to adjust their load to overall market conditions utilities already make an increasing share of their profits in the balancing and adjustment markets for primary secondary and tertiary reserves to adjust load to the variable production of renewables while this may alleviate shortterm commercial pressures it is an inefficient manner in which to run an electricity system creating additional costs that ultimately have to be absorbed by consumers through higher tariffs for transport and distribution