Vehicle-to-home, or V2H, technology allows a parked EV to power your house during a power outage.
https://www.cnet.com/roadshow/news/gm-says-bidirectional-charging-will-come-standard-across-its-ev-lineup/?utm_source=dlvr.it&utm_medium=blogger#ftag=CAD590a51e
https://www.cnet.com/roadshow/news/gm-says-bidirectional-charging-will-come-standard-across-its-ev-lineup/?utm_source=dlvr.it&utm_medium=blogger#ftag=CAD590a51e