Grid energy storage, also known as large-scale energy storage, is a set of technologies connected to the electrical power grid that store energy for later use. Integrating storage in the electric grid, especially in areas with high energy demand, will. . Local Law 181 of 2019 (LL181) requires the City of New York to conduct a feasibility study on the applicability of different types of utility-scale energy storage systems (ESS) on City buildings and to install such systems on those buildings where cost effective. 1 NYC's Department of Citywide. . Key Learning 2: Recent storage cost declines are projected to continue, with lithium-ion batteries continuing to lead the market share for some time. option, but its declining costs have changed when it is deployed vs. Storage and PV complement each other. Energy from fossil or nuclear power plants and renewable sources is stored for use by customers.
