Storage
All the resources you produce pile up in your planetary storages. Once the cap is reached, any new production is simply lost — no overflow. Properly sizing your storages is essential, especially during extended offline windows.
Storage buildings
Three buildings handle storage, one per resource. All follow the same exponential formula: capacity literally doubles every level.
- Metal Storage: 10,000 × 2^level units of metal
- Silicon Storage: 10,000 × 2^level units of silicon
- Deuterium Tank: 10,000 × 2^level units of deuterium
- Examples: level 5 = 320,000; level 10 ≈ 10 million; level 15 ≈ 328 million
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Guaranteed minimum
Every planet has a 10,000-unit base capacity for each resource, even without any storage built. That's the anchor of the formula: storages simply multiply this starting point by powers of 2.
Raid impact
On a successful offensive attack, an attacker can loot up to —% of the resources currently stored on the targeted planet — metal, silicon AND deuterium. The higher your stock, the more loot you hand out on defeat. See Protections for the rules that reduce this percentage (notably the penalized zone).
Advice
- Aim for a storage level that buffers at least 8 to 12 hours of production — you can play offline calmly without losing anything
- On a planet frequently targeted by attacks, limiting storage is sometimes safer than growing it: fewer resources on hand, less loot offered
- Sync your storage upgrades with your mine upgrades: a storage too low caps your production, too high makes you vulnerable to raiding