Propellant Tanks are used to store propellant, which is required by Engines, RCS, and Turbines. When launching for a dive, propellant can be bought in batches of 1000kg for an average cost of 100 E$, though this price will fluctuate with the market.
| Name | Storage | Price | Exclusive to |
|---|---|---|---|
| Short-range propellant tank | 15,000 kg | 6,000 E$ | |
| Standard propellant tank | 30,000 kg | 12,000 E$ | |
| Extended propellant tank | 50,000 kg | 20,000 E$ | |
| Long-range propellant tank | 80,000 kg | 32,000 E$ | |
| Interplanetary propellant tank | 200,000 kg | 160,000 E$ | |
| Freighter propellant tank | 500,000 kg | 400,000 E$ | K225, OCP-209 |