How to Get Thermal plant in Subnautica: Below Zero
Thermal plant unlocks by scanning 2 fragments, 4 s per scan. The files place 8 fragment pins for it.
Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.
How to unlock Thermal plant
Scan fragments
- Pieces needed
- 2
- Scan time
- 4 s
- Fixed pins
- 8
The fragment is called "Thermal Plant fragment" in the game.
The game files read for this page do not say whether you start with this blueprint.
Where the pins are
Depth in metres: negative is below sea level, positive above.
| Pin | Area | Depth (m) | Position | Map |
|---|---|---|---|---|
 Fragment | Delta Island | -284 | x -285, z -741 | Show on map |
| Fragment | Delta Island | -302 | x -257, z -733 | Show on map |
| Fragment | Delta Island | -282 | x -262, z -747 | Show on map |
| Fragment | Delta Island | -302 | x -234, z -738 | Show on map |
| Fragment | Delta Island | -276 | x -230, z -753 | Show on map |
| Fragment | Tree Spires | -461 | x -66, z -1164 | Show on map |
| Fragment | Tree Spires | -455 | x -8, z -1122 | Show on map |
| Fragment | Tree Spires | -389 | x -7, z -1165 | Show on map |
What Thermal plant needs
In-game description: "Converts heat to energy at medium efficiency."
Crafted at: no station listed.
About the Thermal plant blueprint
Thermal plant needs 2 fragments scanned. The game files place 8 fixed fragment pins for it, in Delta Island, Tree Spires. Once unlocked it is made from 5 titanium, 2 magnetite, 1 aerogel.
See all data boxes and fragments, or the full crafting list.