Novel Ground-Level Integrated Diverse Energy Storage (GLIDES) Coupled with Building Air Conditioning

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Lead Performer: Oak Ridge National Lab — Oak Ridge, TN
Partners: Georgia Tech — Atlanta, GA; IntelliChoice Energy — Las Vegas, NV
DOE Total Funding: $500,000
Cost Share: $63,750
Project Term: 2016-2017
Funding Type: Building Energy Efficiency Frontiers and Innovations Technologies (BENEFIT) – 2016 (DE-FOA-0001383)

Project Objective

Oak Ridge National Laboratory, in partnership with Georgia Tech and IntelliChoice Energy, will integrate its Ground-Level Integrated Diverse Energy Storage (GLIDES) system with HVAC systems to provide efficient building-integrated electrical and thermal energy storage. This system is capable of integrating and using low-grade heat, and reducing the energy requirements of the AC systems. This system enables smarter building-grid integration, as well as the use of low-grade heat, which would otherwise be lost in traditional HVAC systems.

Project Impact

HVAC accounts for 35% of the energy consumed by end use in both residential and commercial buildings, as of 2014, providing a great opportunity for improved energy efficiency1. This integration of GLIDES into HVAC systems has the potential to reach an energy storage roundtrip efficiency of more than 70%, while enhancing the HVAC coefficient of performance (COP) by 35%. The estimated energy savings of this technology is 1.3 quads annually. This efficient system will play a key role in achieving high levels of renewable energy penetration and in increasing electrical grid resilience. 

Contacts

DOE Technology Manager: Antonio Bouza
Lead Performer: Ayyoub M. Momen, Oak Ridge National Laboratory

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1 U.S. Energy Information Administration. Annual Energy Outlook 2015 with Projections to 2040. DOE/EIA- 0383(2015). Washington, DC: U.S. Energy Information Administration, 2015. Accessed January 12, 2016: http://www.eia.gov/forecasts/aeo/pdf/0383(2015).pdf

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