Satisfactory Coal Generator Guide
In Satisfactory, the Coal Generator is an essential piece of machinery for upgrading your factory from simple manual power sources to a completely automated energy system. This critical building becomes accessible early in the game and represents a huge milestone in your production potential. Mastering the Coal Generator goes beyond just learning where to put it—it involves learning about which fuels are most productive, how to automate the supply chain process, how to use overclocking for optimal output, and how to fix common power issues that can break your workflow. Here is a complete guide that covers all the details to keep your factory running flawlessly and on schedule.
Coal Generator Overview

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The coal generator was the initial auto power source that became accessible to pioneers. Producing 75 MW of power at 100% clock speed, it requires two inputs:
- Coal: Utilized at 15 units/min.
- Water: Utilized at 45 m³/min.
Construction resources include 20 Reinforced Iron Plates, 10 Rotors, and 30 Cables. In use, it provides a reliable and expandable source of power that is required to increase your factory's functionality.
Fuel Options
Coal Generators can be fueled with a variety of fuel types, each with a distinct energy yield:
- Coal: Conventional fuel with an energy level of 300 MJ.
- Compacted Coal: Advanced fuel consisting of Coal and Sulfur, with an energy yield of 630 MJ.
- Petroleum Coke: Refinery waste from oil refining, with an energy yield of 180 MJ.
Choosing the proper fuel is dependent on the availability of resources and the efficiency desired. Compacted Coal, for instance, will smolder for longer, reducing refueling intervals.
Maximizing Coal Generator Configurations

The best Coal Generator settings consist of careful resource supply and infrastructure planning: Coal Supply: Mk.1 Miner on Normal Coal Node produces 60 Coal/min, which provides for 4 Coal Generators. Pure Node provides 120 Coal/min for 8 Generators. Water Supply: 120 m³/min each Water Extractor provides. So, 3 Water Extractors can supply 8 Generators. Pipeline Considerations: Mk.1 Pipelines carry a capacity of 300 m³/min. To supply water to 8 Generators (requiring 360 m³/min), use multiple pipelines or change to Mk.2 Pipelines with 600 m³/min capacity. A popular and efficient configuration is the 8:3 ratio, where 3 Water Extractors supply 8 Coal Generators. This arrangement offers maximum water distribution without pipeline capacity overloads.
Overclocking Coal Generators
Overclocking allows Coal Generators to produce extra power, up to 250% of standard power. But it increases fuel and water consumption:
- At 250% Clock Speed:
- Power Output: 187.5 MW
- Coal Consumption: 37.5 Coal/min
- Water Consumption: 112.5 m³/min Overclocking has no effect on fuel efficiency; it does not affect the number of watts generated per unit of fuel. In order to generate more electricity with fewer generators, overclocking is helpful when space is limited.
Automation Strategies
Automation of Coal Generators implies integrating Miners, Conveyors, Water Extractors, and Pipelines:
- Coal Mining: Use Miners to extract Coal and transport it through Conveyor Belts to Generators.
- Water Extraction: Station Water Extractors near sources of water connect them with Pipelines to Generators.
- Power Loop: Power Water Extractors by Biomass Burners initially. When Generators are active, they may power the Extractors, establishing a power loop that becomes autocratic. This setup supports continuous power production with little human labor.
Troubleshooting Common Issues

Players have experienced situations where Coal Generators stop accepting fuel. A game bug usually causes such a problem. Temporary fixes are:
- Inventory Trick: Have at least one unit of Coal in your inventory when dealing with the Generator.
- Rebuilding: Rebuild the Conveyor Belt or Generator to return it to its original state.
- Save & Reload: Saving the game and reloading sometimes fixes the problem. Developers know about this bug and are implementing a permanent solution.
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Frequently Asked Questions
How many Coal Generators can be supplied with power by a single Water Extractor?
One Water Extractor provides 120 m³/min, sufficient for 2.66 Generators. For optimal setups, place 3 Extractors for 8 Generators.
Is Compacted Coal better than normal Coal?
Yes, Compacted Coal has a greater energy value and lasts longer with fewer refueling stops, so it is more efficient.
Can I overclock Water Extractors to offset overclocked Generators?
Yes, overclocking Water Extractors increases water output, aligning with the increased demands of overclocked Generators.
[schemaHwoto=What causes Coal Generators to stop accepting fuel?] A known bug causes Generators to halt fuel intake. A workaround is to have at least one unit of Coal in your inventory when interacting with the Generator. [/schemaHowto]
Conclusion
Mastering Coal Generators is essential to progressing in Satisfactory. You can establish a self-sustaining power infrastructure by understanding fuel choices, optimizing setups, and automating process streams. Stay informed regarding potential bugs and employ available workarounds to maintain an uninterrupted power supply. For an enhanced multiplayer experience, use Scalacube's dedicated server hosting solutions. Start your journey of efficient power management and elevate your Satisfactory gameplay to new levels.