When a project developer builds a new electric generating facility or battery energy storage system (an energy facility), it must connect that facility to the electric or power grid to allow the produced electricity to be transmitted, distributed, and consumed by end users (whether. . When a project developer builds a new electric generating facility or battery energy storage system (an energy facility), it must connect that facility to the electric or power grid to allow the produced electricity to be transmitted, distributed, and consumed by end users (whether. . Interconnection presents important issues and considerations for developers, whether the energy project involves new solar panels mounted to the roof of a home, a five megawatt (MW) community solar project, an 80 MW small power production qualifying facility, or a 600 MW natural gas generating. . Electrical Energy Storage (EES) systems store electricity and convert it back to electrical energy when needed. 1 Batteries are one of the most common forms of electrical energy storage. The first battery, Volta's cell, was developed in 1800. pioneered large-scale energy storage with the. . Energy storage is expected to play an increasingly important role in the evolution of the power grid particularly to accommodate increasing penetration of intermittent renewable energy resources and to improve electrical power system (EPS) performance. Coordinated, consistent, interconnection. . Technological breakthroughs and evolving market dynamics have triggered a remarkable surge in energy storage deployment across the electric grid in front of and behind-the-meter (BTM). Battery-based energy storage capacity installations soared more than 1200% between 2018 and 1H2023, reflecting its. . Why does energy storage need to be connected to the grid? 1.