Microgrids Animation (IMAGE) DOE/Pacific Northwest National Laboratory Caption Microgrids are typically powered by solar and/or wind, which use extra power to charge batteries, plus a generator for backup. Replacing generators with marine energy not only ramps up resiliency, but it also cuts reliance on fuel. Credit Animation by Sara Levine | Pacific Northwest National Laboratory Usage Restrictions None License Original 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.