Energy -- Quantum Computing Efficiency (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL scientists estimated quantum computing energy usage from a detailed modeling technique. In a study, the team found that quantum computers could reduce energy usage by more than 20 orders of magnitude compared to conventional computers. Credit Fahd Mohiyaddin/Oak Ridge National Laboratory, US 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.