Lake Michigan is shown left in a rich blue and the state of Michigan is shown left. The land appears to largely be farmland in gridded fields, but most notably just barely inland from the coasts is an oblong lake stretched top to bottom parallel to lake Michigan. The two lakes are joined by a dam. The Natural coastline of Michigan is disturbed by a carveout for the dam outflow with a thin line of the breakwater visible in the lake directly in front of the dam

One of the Largest Batteries in the World

Michigan’s Ludington Pumped Storage Plant uses excess electricity to pump water uphill, which generates power when it flows back down. View the full story

Credits: NASA Earth Observatory / Wanmei Liang