Digital twins for hydropower (IMAGE) DOE/Pacific Northwest National Laboratory Caption Dam operators can create a virtual version of their dam’s turbines to identify potential maintenance problems before they arise Credit Composite image by Kelly Machart | Pacific Northwest National Laboratory Usage Restrictions No restrictions. License Public Domain 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.