Grid -- Balancing Act (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL scientists have devised a control architecture for a fleet of HVAC units, which could allow utilities to harness the demand from a city's worth of buildings to help balance the power grid. The research is funded by DOE's Building Technologies Office. Credit Andy Sproles/Oak Ridge National Laboratory, U.S. Dept. of Energy Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.