You can Fix the generator and Open up Doors or You can add other events

player needs to collect fuel cans and fill the generator with it

also Filling System using Quick Time Events

also needs to activate 2 Junction Boxes

and start to Generator with quick time events

preview : https://www.youtube.com/watch?v=Rlr8DjRJmL8

Migrate Tutorial : https://youtu.be/ShKrQlsolco