Rust electricity and wiring
Never wire devices straight to a solar panel or wind turbine. Feed generation into a battery, then run everything from the battery. Solar dies at night and wind is inconsistent, so the battery is what turns variable input into steady power your turrets can rely on.
What are the power sources and what do they give?[1]
A solar panel produces up to 20 power but only in daylight. A wind turbine produces between 0 and 150 depending on wind and height. A small generator produces a steady 40 power but burns low grade fuel, which makes it a backup rather than a base load.
| Source | Output | Trade-off |
|---|---|---|
| Solar panel | Up to 20 | Free, but produces nothing at night |
| Wind turbine | 0 to 150 | Best average output; varies constantly |
| Small generator | 40 steady | Reliable but consumes low grade fuel |
Why does everything need to go through a battery?
Because generation is variable and devices are not. A turret wired directly to solar switches off at dusk. Routing power into a battery first means the battery charges during surplus and discharges during shortfall, so the device sees steady power regardless of the weather or time.
This is the single most common wiring mistake, and it fails in the worst possible way: your defences work all day while you are watching, then go dark overnight when you are offline.
The standard layout is generation into a root combiner, combiner into the battery, and the battery as the only output node for the base. One place to trace when something stops working.
How big should my solar array be?
Size generation at roughly four times your total load. The surplus during daylight is what recharges the battery for the night. If two turrets draw 20 power together, aim for about 80 power of solar so the battery refills while still running the devices.
Undersizing is the usual failure. A system that exactly matches its load never banks anything, so the battery drains the first night and never recovers.
Batteries differ enormously in capacity: small holds 50, medium holds 500, large holds 10,000. Most bases mix them, using small batteries for individual circuits and a large one as the backbone.
What should I power first?
Auto turrets, then lights on paths you walk at night, then quality-of-life devices. Turrets are the only electrical device that defends the base while you are offline, which makes them the only one worth building a power system around from day one.
- Auto turrets
- The reason to have power at all. Wire these to the battery, never to raw generation.
- Lights
- Cheap, and being able to see your own airlock at night prevents a lot of deaths.
- Doors and traps
- Useful once the basics work. Do not let them share a circuit with your turrets.
References
- Official Rust wiki: items, monuments and mechanicsFacepunch Studios, 2026