In the new world of energy, the supply of electricity from renewable sources fluctuates dramatically. A balance can be achieved by storing the energy to decouple the moment of power generation from the moment of consumption. Electrical energy storage also provides greater stability in transmission and distribution grids, and greater security for the energy system as a whole.
Electrical energy storage can be used in industrial plants, craft businesses, private homes, and electric and hybrid vehicles. The systems in commercial use today can be broadly categorised as mechanical, electrical, chemical, electrochemical, and thermal. There are technologies suitable for large-scale storage, and others for smaller-scale applications. Siemens is working to develop solutions for many different storage technologies and systems. Obviously, all these forms of storage have their pros and cons.
Decision makers must carefully ponder the merits of each alternative in light of the particular use case. We’ve summarised the options and some of their main characteristics.
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