Integrating renewable and distributed energy resources, such as photovoltaics (PV) and energy storage devices, into the electric distribution system requires advanced power electronics, or smart inverters, that can provide grid services such as voltage and. . Integrating renewable and distributed energy resources, such as photovoltaics (PV) and energy storage devices, into the electric distribution system requires advanced power electronics, or smart inverters, that can provide grid services such as voltage and. . NLR's advanced power electronics and smart inverter research supports the integration of distributed energy resources on the U. The portfolio of grid modernization work helps integrate all sources of electricity, improve the security of our Nation's grid, solve challenges of energy storage and distributed generation, and provide a critical platform for U. comp. . Current BESS solutions connected to distribution level grids must go through a step-up transformer. Multilevel inverter are a mature technology proven to work at medium voltage (4. 16kV - 69kV) in the motor drives industry. Decker Creek Power Station on July 03, 2024 in Austin, Texas. It can connect and disconnect from the grid to operate in grid-connected or island mode. Microgrids can improve customer reliability and resilience to. .