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Energy Management

The Green Proving Ground program has commissioned Department of Energy National Laboratories to perform real-world measurement and verification of the following technologies in pilot installations in federally-owned buildings. Preliminary technology assessments are available below as PDFs.

 

Preliminary Technology Assessments

In the News: From the 2014 Program Lineup

Passive Thermal Storage Platform > This HVAC optimization tool leverages the physical structure and contents of large commercial buildings to store thermal energy and reduce peak energy use. Findings available 2016.

Predictive HVAC Optimization > This cloud-based software layers weather and building-use data on top of existing building automation systems to optimize HVAC operational strategies per each 24-hour period. This evaluation will be hosted as a joint effort with the Department of Energy. Findings available 2016.

Virtual Energy Audit > This software analyzes building operations and existing equipment to prioritize energy conservation measures tailored to specific buildings or to a portfolio of like buildings. Findings available 2016.

 

Central Plant Optimization Strategy > This central plant control technology is designed to optimize energy use in chilled water systems. To reduce energy consumption, chillers, cooling towers, and associated pumps are operated as a single system. In combination with the necessary Variable Frequency Drive (VFD) equipment, this technology applies a control algorithm to maintain optimal differential system pressure, reducing pumping energy and equipment runtime. Findings available 2015.

Socially Driven HVAC > The socially driven web-based thermostat is a heating, ventilation, and air conditioning (HVAC) control system that enables office building occupants to control their thermal environment through a mobile device or web page. The software collects and processes occupant preferences in a “social networking /gaming” environment; artificial intelligence technologies then calculate the most efficient way to satisfy those preferences using the building’s HVAC system. Findings available 2015.

Variable-Speed Chiller Plant Control > By treating the chilled water plant as an optimized complete system, variable-speed chiller plant control technology saves energy, water, and even provides the possibility of an overall plant-size reduction. Findings available 2015.

 

The Green Proving Ground program leverages GSA’s real estate portfolio to evaluate innovative sustainable building technologies.

 

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