Yes, mountain lakes as batteries was covered in a recent episode of Planet Money. US and China both have dam systems online that can act as giant batteries: ht

Yes, mountain lakes as batteries was covered in a recent episode of Planet Money. US and China both have dam systems online that can act as giant batteries: https://www.npr.org/templates/transcript/transcript.php?storyId=620288114 https://www.npr.org/templates/transcript/transcript.php?stor...