The government is planning to come up with bids for 4,000 mega-watt-hour (Mwh) of electricity storage contracts, which will be utilized by power systems operators to enhance the security of the electricity grid to balance supply fluctuations from renewable energy based power sources, Union power minister RK Singh said on Thursday. The storage capacity will be equally divided among the four regional load dispatch centres (RLDCs) which “will act as instant intervention mechanism wherever and whenever there are sharp fluctuation because of renewables,” the minister said.