This article deals about reduction of power drawn from the supply system in smart grid environment during un-certainties in the power generated by the source. Supply system in this work consists of an intermittent power source and a storage system, to support whenever there is deficit in power generation by the renewable generator. A micro grid systemis considered for thestudy which has critical and non-critical load present in it along with storage system and Electric spring. An attempt is made to study the performance of Electric spring in reducing the power drawn from the supply system under different non-critical loads during un-certainties or power deficit conditions of the source. The effect of reactive component in the non-critical loadis examined separately for the considered battery storage system. All the simulation models have been developed in MATLAB.