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Prison Industries Metering at the Texas Department of Criminal Justice: Two Years of Operational Experience
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In 2001 the Texas Department of Criminal Justice Utilities and Energy Department (TDCJU& E) completed the installation of an extensive energy consumption metering system for their prison industries system. As the second largest state prison system in the nation, TDCJ facilities are scattered over many locations around the state and cover a diversity of prison industries and agricultural operations. The Energy Systems Laboratory (ESL), with New Horizon Technologies, Inc. (NHT) and eComponents Technology, Inc. installed a state-ofthe- art sub-metering system with the intent of meeting the needs of the TDCJ-U&E group well into the future. The system uses a web-based data acquisition interface and is capable of near real-time data acquisition and display. Fifteen-minute interval utility and sub-metered energy consumption data have been continuously collected since the system was commissioned. This paper describes the varied applications for these data at the TDCJ-U&E department. Significant improvements in the quality of energy use reporting and unit accountability have been obtained. Prison industries now receive monthly energy consumption reports and are responsible for the cost of their sub-metered energy consumption. Additionally, the operations and maintenance staff have found the data to be very useful for energy systems and equipment operational diagnosis.
Bryant, J.; McBride, J.; Merka, T. (2003). Prison Industries Metering at the Texas Department of Criminal Justice: Two Years of Operational Experience. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from