; and (ii) include technology costs, installation costs, balance of services costs, and soft costs. (B) Target updates; subtargets Not less frequently than once every 5 years during the 10-year period beginning on the date of enactment of the BEST Act , the Secretary shall— (i) revise the cost targets developed under paragraph (2)(B) to be more stringent, based on— (I) a technology-neutral approach that considers all types of energy storage deployment scenarios, including individual technologies, technology combination use profiles, and integrated control system applications; (II) input from a variety of stakeholders, including the stakeholders described in subsection (i)(3); (III) the inclusion and use of existing infrastructure; and (IV) the ability to optimize the integration of intermittent renewable energy generation technology and distributed energy resources; and (ii) establish cost subtargets for technologies and applications relating to the energy storage systems described in paragraph (4), taking into consideration— (I) electricity market prices