More panel is not always the first answer
Before adding solar to a narrowboat, check what loads are actually running, the condition and capacity of the battery bank, roof space, shading and how charging is currently managed.
Boat-specific questions
Panels compete with roof storage and walking space. Cable routes, controller choice and battery compatibility also need proper review.
Review trigger
Electrical changes on boats need competent review. OffgridHut can help readers prepare better questions before asking an installer or marine electrician.