All about Independence & Staying Green. All models can be made to be totally green and self sufficient. We can use incinerating toilets to eliminate the smell and mess of storing black water, and Grey water filters which turn drain water into deck wash water.In the end, you just need a 50 Amp service and fresh water source--though you could even have a watermaker and require only power. A generator can be installed for an alternative souce of power or to use away from the home port.