This presentation decribes how building an energy-efficient data center can improve a business's bottom line.
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While the availability of “big data” about building energy performance is increasing in response to market demands and public policies, the lack of standard data formats is a significant ongoing barrier to its full utilization. To overcome this barrier, the U.S. Department of Energy (DOE) and Lawrence Berkeley National Laboratory (LBNL) developed the Building Energy Data Exchange Specification (BEDES).
BEDES is designed to enable the exchange, comparison, and combination of empirical information by providing common terms and definitions for data about commercial and residential building’s physical and operational characteristics, energy use, and efficiency measures.
This paper describes the BEDES development process, scope, structure, and plans for implementation and ongoing updates.
A case study of the overview, process, and results of the re-tuning that was conducted in a building in Arlington, Virginia by Vornado Realty Trust in October 2012. Re-tuning provided the facilities management team with the ability to identify and understand building scheduling opportunities that drove significant, low-cost energy savings. Five measures were conducted, many of which pertained to the HVAC system.
In order to seize the opportunities for improving energy performance in the United States, it is important to understand what drives American companies and building owners to adopt efficiency improvements and sustainability policies. The research in this report provides new insights on how to create high-performing buildings and how to make the right business case to seize these opportunities.
Case study on Hannaford Supermarkets’ use case controllers with EEVs for their refrigeration display cases, resulting in 15-30 percent energy savings.
In 2011, the U.S. Department of Energy’s Building Technology Office (DOE’s BTO), with help from the Better Buildings Alliance (BBA) members, developed a specification (RTU Challenge) for high performance rooftop air-conditioning units (RTUs) with capacity ranges between 10 and 20 tons. Daikin’s Rebel RTU was recognized by DOE in May 2012 as the first to meet the RTU Challenge specifications. A study was commissioned to compare the Rebel unit with a standard reference unit in the field. The goal of the RTU Challenge demonstration was to estimate seasonal performance of the RTU Challenge unit and the annual savings that can be achieved by installing the Rebel unit instead of an alternate standard unit. This case study details this demonstration.
This case study details the very successful Walgreens proactive RTU replacement program that has resulted in 50% efficiency improvements. The streamlined process allows Walgreens to reduce installed cooling capacity, increase RTU efficiency, provide improved service, and reduce overall costs compared to emergency replacements.
Case study on how CKE, in collaboration with Southern California Edison’s (SCE) New Products Development and Launch (NPDL) organization, field tested an advanced demand defrost control system for walk-in coolers and freezers in their Carl’s Jr. restaurants.
This report outlines the technical protocol used to generate Department of Energy's Commercial Building Energy Asset Score for commercial buildings, explains the scoring methodology, and provides additional details regarding the Asset Scoring Tool. This report also describes alternative methods that were considered prior to developing the current approach. Finally, this report describes a few features of the program where alternative approaches are still under evaluation.
Presentation slides of Commercial Building Energy Efficiency: Applied Research at Speed and Scale presentation given at the NASA Net-Zero Energy workshop June 5-6, 2012.