understanding the flexibility utilization of each and every of the kit will inform you techniques a lot ability you will could desire to keep / generate. to not point out how long you would be out, and the place it rather is stored. in case you intend to maintain the boat at a marina with shore ability, and go out for day sails and occasional overnights, then what you have will probable artwork. once you're talking approximately prolonged cruising, then you definitely will want extra ability and could desire to generate it. Presuming we are talking approximately cruising, i could think of that a mix of each and all the above could be ultimate - the windmill already there, upload some photograph voltaic panels, and if there is room a generator - your engine probable has an alternator related.