This chapter, including a pricing survey, provides the industry with a standardized energy storage system pricing benchmark so these customers can discover comparable prices at different market levels. There is a need for a trusted benchmark price that has a well understood and internally consistent methodology so comparing the different technology options across different. . The size of your Energy Storage System (ESS) is one of the most important factors in determining the price and installation for your energy system. Knowing what size (ESS) you will need will be directly impacted by how much energy you currently use or anticipate using. Once we know your maximum. . getting an accurate energy storage solution quotation can feel more confusing than assembling IKEA furniture without instructions. Whether you're a factory manager. .