go a little green or blue, or whatever it is called in your area, I do not make jokes.
Thermal solar modules.
A few of them on the roof, more than enough for hot water and heat ..
(In Spain used Vavuum thermal solar tubes, generate enough heat so that the pools are heated by the excess heat)
for storing the generated heat during the day. something like this:
http://www.ivt-rohr.de/en/solar-systems/#c409
It is designed to fit through existing doors, and easy to move with 2 people and easy to connect
Electric solar modules with something like this:
http://www.sma.de/produkte/backup-systeme.html
plus a pair of car or truck batteries, and you're golden.
LED light balls.
A normal Lightbulb consumed 45 to 100 W. a LED 15 to 30 W.
that's a big difference when you have to generate your electrical energy with a generator that needs fuel.
OK that's expensive, and it is useless if you have no source of water.
but if you're already become the locale warlord because you bought with fire water and cigars 60% of people. Have you then a proper HQ.