The infinite shore-power cord

Further to the discussion on how to create enough power resources for all electric appliances on board, Ocean Navigator has another article, elaborating (subscription required) in more depth on how to acquire the necessary energy.
“An onboard supply of 120-volt alternating current used to be a luxury available only on large boats. Today, technology allows us to enjoy the benefit of AC power on a boat as small as a canoe, provided we understand and respect some simple facts about available sources of energy and the conversion of energy from one form to another.”