Satisfactory
Coal Power Planner
Coal power is the first setup in Satisfactory that has to be balanced properly, because an unbalanced coal plant browns out the factory it was built to power.
How this is calculated
Each generator consumes coal and water at fixed rates, so the number of miners and water extractors follows from the generator count. The calculator gives the full chain — generators, coal supply, water supply — as one set of numbers rather than three separate problems.
The arithmetic
- power = generators × base power × (overclock ÷ 100)
- coal = generators × base coal × (overclock ÷ 100)
- water = generators × base water × (overclock ÷ 100)
- extractors = ceil(water ÷ 120) · miners = ceil(coal ÷ miner output)
What people get wrong
Water is the half that gets underbuilt. Extractors have a maximum flow rate and headlift limits over distance, so a setup that works on paper can fail because the water cannot physically arrive fast enough. Overbuild water rather than coal.