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| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 1981 |
| Genre | : Energy consumption |
| ISBN | : |
| Author | : Jackalie L. Blue |
| Publisher | : |
| Total Pages | : 58 |
| Release | : 1981 |
| Genre | : Energy conservation |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 150 |
| Release | : 2012-04-30 |
| Genre | : Science |
| ISBN | : 0309254019 |
The United States is responsible for nearly one-fifth of the world's energy consumption. Population growth, and the associated growth in housing, commercial floor space, transportation, goods, and services is expected to cause a 0.7 percent annual increase in energy demand for the foreseeable future. The energy used by the commercial and residential sectors represents approximately 40 percent of the nation's total energy consumption, and the share of these two sectors is expected to increase in the future. The Commercial Buildings Energy Consumption Survey (CBECS) and Residential Energy Consumption Survey (RECS) are two major surveys conducted by the Energy Information Administration. The surveys are the most relevant sources of data available to researchers and policy makers on energy consumption in the commercial and residential sectors. Many of the design decisions and operational procedures for the CBECS and RECS were developed in the 1970s and 1980s, and resource limitations during much of the time since then have prevented EIA from making significant changes to the data collections. Effective Tracking of Building Energy Use makes recommendations for redesigning the surveys based on a review of evolving data user needs and an assessment of new developments in relevant survey methods.
| Author | : Eric Hirst |
| Publisher | : |
| Total Pages | : 94 |
| Release | : 1981 |
| Genre | : Buildings |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 221 |
| Release | : 1993 |
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| ISBN | : |
The Southern California Edison Company (SCE) has conducted an extensive metering project in which electricity end use in 53 commercial buildings in Southern California has been measured. The building types monitored include offices, retail stores, groceries, restaurants, and warehouses. One year (June 1989 through May 1990) of the SCE measured hourly end-use data are reviewed in this report. Annual whole-building and end-use energy use intensities (EUIs) and monthly load shapes (LSs) have been calculated for the different building types based on the monitored data. This report compares the monitored buildings' EUIs and LSs to EUIs and LSs determined using whole-building load data and the End-Use Disaggregation Algorithm (EDA). Two sets of EDA determined EUIs and LSs are compared to the monitored data values. The data sets represent: (1) average buildings in the SCE service territory and (2) specific buildings that were monitored.
| Author | : |
| Publisher | : |
| Total Pages | : 538 |
| Release | : 1989 |
| Genre | : Power resources |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 349 |
| Release | : 2010-06-10 |
| Genre | : Science |
| ISBN | : 0309156866 |
America's economy and lifestyles have been shaped by the low prices and availability of energy. In the last decade, however, the prices of oil, natural gas, and coal have increased dramatically, leaving consumers and the industrial and service sectors looking for ways to reduce energy use. To achieve greater energy efficiency, we need technology, more informed consumers and producers, and investments in more energy-efficient industrial processes, businesses, residences, and transportation. As part of the America's Energy Future project, Real Prospects for Energy Efficiency in the United States examines the potential for reducing energy demand through improving efficiency by using existing technologies, technologies developed but not yet utilized widely, and prospective technologies. The book evaluates technologies based on their estimated times to initial commercial deployment, and provides an analysis of costs, barriers, and research needs. This quantitative characterization of technologies will guide policy makers toward planning the future of energy use in America. This book will also have much to offer to industry leaders, investors, environmentalists, and others looking for a practical diagnosis of energy efficiency possibilities.
| Author | : Eric Hirst |
| Publisher | : |
| Total Pages | : 80 |
| Release | : 1981 |
| Genre | : Dwellings |
| ISBN | : |
| Author | : Mohammad Akram Hossain |
| Publisher | : |
| Total Pages | : |
| Release | : 2018 |
| Genre | : Energy auditing |
| ISBN | : |
Energy Diagnostics Investigator for Efficiency Savings (EDIFES) is a scalable data analytics tool that uses big data, and rigorous statistical studies to uncover building energy characteristics. To create EDIFES, building energy markers were developed using R and Python functions that compute various types of building identifiers when applied to whole building, 15-minute electricity data, as is that typically collected by the utility company. Requisite weather datasets also were analyzed in conjunction with the electricity consumption data. In this study, we developed nine building markers and applied them to 19 commercial buildings located in four different climate zones to compare their characteristics. The building markers are: correlation with weather variables, weekday-weekend operational pattern, weekday operational pattern, heating type, system oversize (heating), system oversize (cooling), HVAC scheduling, HVAC sizing, and baseload. Using the findings from this analysis, we developed a building energy disaggregation model to further quantify a buildings' energy usage. Building energy disaggregation can identify and estimate equipment-level energy scheduling and consumption which can provide real-time feedback to the customer. The disaggregation tool is unsupervised and nonintrusive, and again, uses only whole building electricity and weather datasets for the analysis. Therefore, the disaggregation model can perform the analysis virtually, without installing any sensors/meters in the building. The disaggregation tool is derived from the building markers and by utilizing Bayesian frameworks: the Hidden Markov model and the Factorial Hidden Markov model. The disaggregation tool estimates the equipment state with an accuracy of approximately 75% for a scheduled office building. The state of the HVAC can be estimated with the disaggregation tool with an accuracy of approximately 81%. We can conclude that the EDIFES analysis developed to-date and described herein demonstrates an unmatched capability to conduct virtual energy audits.
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| Publisher | : |
| Total Pages | : 1044 |
| Release | : 1990 |
| Genre | : Power resources |
| ISBN | : |
