This publication details the design, implementation strategies, and continuous performance monitoring of NREL's Research Support Facility data center.
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This case study details the design and operations of the National Renewable Energy Laboratory (NREL) Research Support Facility data center and its contributions to energy efficiency.
Plug and process loads in commercial buildings account for 5% of U.S. primary energy consumption. Minimizing these loads is a primary challenge in the design and operation of an energy-efficient building.
The primary audience for this instructor manual is the person who will be teaching the re-tuning course. In addition, community college instructors, retro-commissioning training providers and building operator training providers may find value in the material presented in this instructor manual as well. The purpose of this course is to help building operations staff to learn how to operate buildings more efficiently, reduce operating cost and provide energy savings. The knowledge and skills learned through the training will be highly valued by organizations and companies seeking to improve the performance of
The Universal Translator (UT) is a tool that assists in processing and merging data that has non-uniform time intervals or is stored in multiple excel (csv) files. The user guide shows the user where to download the program (UT program) and gives examples of importing, merging, and exporting the data that is compatible with ECAM.
The interval data guide is written specifically for the analysis of whole building electricity interval data in ECAM. The guide offers examples of good and bad operation of buildings based on the charts generated using ECAM.
The purpose of this report is to take a closer look at experience with on-bill financing programs and to analyze key elements for successful programs as well as factors that may impede the achievement of optimal results.
This resource provides a detailed guide to power purchase agreements for state and local governments including financial and contractual considerations.
This fact sheet describes how a hybrid finance model utilizing power purchase agreements (PPA) and public debt works and assesses the model’s relative advantages and challenges as compared to self-ownership and the third-party PPA. The fact sheet also provides a quick guide to project implementation and assesses the replicability of the model in other jurisdictions across the United States.
Empirical techniques for characterizing electrical energy use now play a key role in reducing electricity consumption, particularly miscellaneous electrical loads, in buildings. Identifying device operating modes (mode extraction) creates a better understanding of both device and system behaviors. Using clustering to extract operating modes from electrical load data can provide valuable insights into device behavior and identify opportunities for energy savings. We present a fast and effective heuristic clustering method to identify and extract operating modes in electrical load data.