From Unofficial Stationeers Wiki
|Mined with||Mining Drill|
Coal can be used as low-level fuel to generate power in the Solid Fuel Generator. Coal can be combined with Iron Ore in the Furnace to create Steel Ingot. Using coal as fuel is not best idea, as it generates pollution, which can be bad for Player's health, even if it provides good boost of power as it holds 40kJ.