IEC_Elctrical Energy Storage.pdf

As mentioned in section 3 there are many applications

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As mentioned in section 3, there are many applications for EES. For some applications EES has already been commercially deployed and it will continue to be used for these applications in the future. Furthermore, some new applications for EES are emerging, such as support for the expansion of renewable energy generation and the smart grid. The importance of EES in the society of the future is widely recognized, and some studies on the future market potential for EES have already been carried out. While these studies vary in target time range, target area, applications considered and so on, they can be classified into two categories: estimates of the future market covering almost all the applications of EES, and estimates of the future market focusing on specific new EES applications. In this section some studies’ results are shown for these two categories. 4.1 EES market potential for overall applications In this section two examples of studies and one specialized simulation are presented: a study from Sandia National Laboratory (USA) which evaluates EES benefits and maximum market potential for almost all applications in the USA; a study prepared by the Boston Consulting Group which forecasts the cost reductions in EES technologies and estimates the profitability of investments in EES by application, so as to judge the world market potential; and a simulation of the future Li-ion market by Panasonic. 4.1.1 EES market estimation by Sandia National Laboratory (SNL) Figure 4-1 shows EES market potential by application type in the USA, as estimated by Sandia National Laboratory. Market size and benefits corresponding to the break-even cost of EES per kW are estimated for each application separately. While this study only treats present market potential and only for one (large) market, it provides useful suggestions for considering the future EES market. The results indicate that no market exists for any application at present which is both high-value and large. For example, the application “Substation On-site”, which means an emergency power source installed at a substation, presents a relatively high value, but its market is small. On the other hand, for the application “Time-of-use Energy”, meaning time shifting at a customer site, a large market size is expected but its value is not high. The study indicates that value and market size for each application can vary with circumstances in the future, and that one EES installation may be used for multiple applications simultaneously, which increases the benefits. One factor affecting the future market is the scale of new installation of renewable energies. 4.1.2 EES market estimation by the Boston Consulting Group (BCG) In this study, a price reduction in EES technologies is forecast for 2030 and the investment profitability by EES application is evaluated. Eight groups of applications are defined. To help determine the future EES market potential by application this study also evaluates the feasibility of implementation,
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