This article briefly outlines the key aspects investors should understand about grid-scale energy storage projects, their returns, and how those returns can be optimised. For investors, being in the right place at the right time, and often among the first, can make a. . Reaching Full Potential: LPO investments across energy storage technologies help ensure clean power is there when it's needed. The Department of Energy (DOE) Loan Programs Office (LPO) is working to support deployment of energy storage solutions in the United States to facilitate the transition to. . Plus Power's 250-MW Sierra Estrella battery storage project in Avondale, Arizona. energy storage industry will invest $100 billion over the next five years to build and buy batteries made in the United States, the American Clean Power Association and company representatives said April 29. . Energy storage systems are rapidly becoming a core part of the development towards a decentralised and flexible energy system, where fossil fuels are replaced by renewable energy sources such as wind power. Major transitions create interesting opportunities for alert investors.