Meanwhile Norway has 80 electric commuter ferries in service. https://businessnorway.com/articles/norway-showcases-award-w...
Here is the largest e-ferry: https://en.wikipedia.org/wiki/E-ferry_Ellen
And a guide to the WA fleet: https://wsdot.wa.gov/sites/default/files/2021-10/WSF-FleetGu...
Norway's largest e-ferry is three times larger. https://www.electrive.com/2021/03/02/worlds-largest-electric...
There are many large hybrid vessels; notably, this has been common for submarines for a very long time. The largest currently operational diesel-electric (hybrid) submarine seems to be the Chinese Qing-class, of ~3800 tons surfaced displacement.