Control Engineering employs an array of cutting-edge tools and technologies for conducting energy analysis, a pivotal step in enhancing the efficiency of building systems. Among these tools, energy meters play a central role by delivering real-time insights into energy consumption and usage trends. This precise monitoring capability empowers Control Engineering to scrutinize energy utilization within a structure, spotlighting areas of excessive consumption and potential waste. We capitalizes on advanced building automation systems such as Siemens Niagara interfaces. These interfaces act as centralized control hubs, seamlessly integrating diverse building systems encompassing HVAC, lighting, and security. The Siemens Niagara platform excels in data aggregation, furnishing a comprehensive overview of building performance. It enables the fine-tuning of energy consumption by dynamically adjusting system parameters in response to occupancy, external conditions, and various variables. This meticulous approach ensures efficient energy utilization without compromising occupant comfort or safety. Control Engineering's integration of energy meters and Siemens Niagara interfaces supports data-driven decisions, fostering substantial energy savings while upholding peak building functionality.