In the future quite simply everybody will be producing their own power. Its a matter of when you adopt. You need a few ingredients, a renewable energy source (solar, wind), a battery bank to store the power and some equipment to make this power useful in the home. Once you have put down a solid renewable energy foundation you can easily build onto it as your needs increase.
Producing enough energy for power hungry appliances like dishwashers, tumble dryers and washing machines requires significantly more solar panels and battery capacity; often making it prohibitively expensive to go build a stage 3 microgrid but for heavy electricity users or businesses there can still be a financial business case to make the upgrade.
Compare how the different microgrids stack up side by side against your budget and energy needs.