If you're trying to fix the Power Plant in Subnautica 2, you've likely realised that you need to power up the area in order to access the Observatory—that big tower near the Alien Ruins. This is your big story objective in early access, and actually concludes the narrative so far when you do get inside, teasing some future content and updates.
Actually repairing the Power Plant is very resource-intensive, and requires many of the upgrades you'll find in the region, making it the culmination of your journey through the alien ocean so far.
