Richard Brown, PI, Lawrence Berkeley National Laboratory Through this research project, NREL and LBNL are assessing the energy and cost performance of DC distribution systems in real buildings to establish DC-system evaluation methods and metrics, document real-world. . Richard Brown, PI, Lawrence Berkeley National Laboratory Through this research project, NREL and LBNL are assessing the energy and cost performance of DC distribution systems in real buildings to establish DC-system evaluation methods and metrics, document real-world. . This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www. Reese, Samantha, Stephen Frank, Brian Ball, and Vagelis Vossos. Cost Analysis Framework for Comparing AC and DC Design Alternatives for Building Electrical Distribution. . As renewable energy adoption surges globally, DC cabinets have become critical components in energy storage systems (ESS). These cabinets manage power conversion, safety protocols, and thermal regulation – all while impacting overall project costs. ” Commercial Buildings Energy Consumption Survey. Non-energy benefits: flexibility with installation. . Distributed generation (DG) in the residential and commercial buildings sectors and in the industrial sector refers to onsite, behind-the-meter energy generation. Technological breakthroughs have paved the way for innovative energy storage solutions that seamlessly integrate with the conventional grid.