Build your CERTIFIED   Hybrid  or Tied power system, modularly -or as a complete system – Begin with the INVERTER– add battery storage- on grid failure-you continue with power( typically called a UPS-uninterruptable power supply–add a Solar Panel Array-this generates power for your appliances and also charge your battery storage  – you can also sell any surplus to the grid-add Diesel Generator for total-backup -never be without power again –