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Nuclear reactor
Base piecesInterior roomsHabitat Builder

Nuclear reactor

Uses nuclear rods to generate energy.

How to get

Craft

Habitat Builder › Interior rooms

Plasteel ingotAdvanced wiring kit3× Lead

Calculate materials →

Blueprint

  • Scan 3 × Nuclear reactor fragment

Nuclear reactor fragment: ≈34 random spawns. Show on map →

Mountains ≈20 · 115–472 mBlood Kelp Zone ≈11 · 348–674 mSea Treader Path ≈2 · 184–203 mJellyshroom Caves ≈1 · 266–268 m

Subnautica data: build 83031 (Oct 2025)