Processed by the bio-refinery, and turned into (mostly) energy. These systems already exist; they're expensive, and not really modular, but for ~100 people it

Processed by the bio-refinery, and turned into (mostly) energy. These systems already exist; they're expensive, and not really modular, but for ~100 people it should be doable without too many problems. Harder and more expensive to do for a single family home.