Drought and Power (IMAGE) Duke University Caption Future droughts could undercut the generating capacity of older U.S. thermoelectric power plants that have 'once-through' cooling systems, a new Duke University study finds. Credit Creative Commons 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.