Megawatt Scale Battery Energy Storage System and Renewables Integration

The goal of this proposed effort is to conduct a multi-year testing and demonstration of all types of grid- and renewables-supporting services by a utility-scale battery energy storage system (BESS) at NRELs National Wind Technology Center (NWTC). This work will be conducted as a collaborative effort involving NREL and Powin Energy, the goal of which is to demonstrate via long-term testing the capabilities of BESS technologies to address operational and reliability challenges of integrating large amounts of variable renewable generation into the power system that are caused by resource variability, temporal mismatch between generation and demand, and forecast uncertainty.