One of the best explanations of how to make your comprehensive list of electrical devices, determine the draw of each, estimate daily use, and calculate the daily consumption. Then how to use that total to choose batteries, alternator, solar power, wind generation, and other components.
Although it covers only 110-volt appliances, this article is a good introduction to the array of energy-saving compact fluorescent and LED lights available.
A long-time liveaboard offers encouragement and advice for the transition from electrical appliance addiction.
How to choose an alternator that fits your battery bank and a three-stage regulator to fit your alternator. The attractions and limits of solar and wind power. 2 pages.
High-output alternators are a waste of money on a small-to-medium-sized battery bank. If you don't want to run the engine a lot, look to slower-charging solar or wind chargers.