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Passive Generators
Passive generators are machines that produce energy without needing any fuel or manual intervention. These types of generators produce less energy than active generators as a trade off for convenience and ease of use.
Comparison of passive generators—sorted by generation rate:
| Name | Tier | Generation Rate | Output | Storage |
|---|---|---|---|---|
 Water Mill | Basic | 0.1-0.4 E/t1 | 32 E/t | 1 kE |
 Basic Solar Panel | Basic | 1 E/t (Day) — 0 (Night) | 2048 E/t | 2 kE |
 Wind Mill | Advanced | 2-2.5 E/t2 | 128 E/t | 10 kE |
 Advanced Solar Panel | Advanced | 4 E/t (Day) — 0 (Night) | 2048 E/t | 8 kE |
 Dragon Egg Energy Siphon | Industrial | 4 E/t | 128 E/t | 1 kE |
 Industrial Solar Panel | Industrial | 8 E/t (Day) — 1 E/t (Night) | 2048 E/t | 16 kE |
 Ultimate Solar Panel | Ultimate | 16 E/t (Day) — 4 E/t (Night) | 2048 E/t | 32 kE |
 Quantum Solar Panel | Quantum | 128 E/t (Day) — 16 E/t (Night) | 2048 E/t | 256 kE |
 Lightning Rod | Quantum | 256 kE/bolt | 2048 E/t | 100 mE |
1 Generates 0.1 E/t per adjacent water block
2 Generates +25% E during thunderstorms