Power Prepared guide
DIY Backup Power for a House
Plan a household backup-power system around loads, runtime, transfer methods and safe installation.
Editorial standard: Seller performance claims are treated as claims unless independently substantiated. Electrical and high-speed rotating equipment can be hazardous.
Design from the load backward
Add the running watts of essential devices, account for motor startup surges, then multiply energy use by required runtime.
Choose an architecture
Common approaches include portable power stations, battery/inverter systems, generators, or solar-plus-storage.
Plan safe transfer
Do not connect a DIY source to house wiring without appropriate transfer, protection, grounding and code compliance.