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Iron Generators Wiki & Guide

Java EditionMod

Adds fuel-burning generators that produce energy, with upgrade items to convert generators into higher tiers and efficiency augments.

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Contents (8)
  1. Guides
  2. Processes
  3. Items
  4. Blocks
  5. Configuration
  6. Frequently asked questions
  7. Related mods

Guides

Step-by-step, in-game.

How to Automate Fueling Your Generator ArrayWhy Automate Fuel A single generator is easy to feed by hand. Once you have three or more running in parallel, manual…How to Build Your First Iron Generator SetupCrafting the Generator Start by crafting a Stone Generator , the entry tier of the mod. You will need a furnace, some…How to Fix a Generator That Isn't Producing EnergyCheck Fuel First The most common cause is an empty or invalid fuel slot. Open the generator's interface and confirm…How to Plan a Generator Progression Route from Stone to UnobtainiumEarly Game: Stone and Iron Start with a Stone Generator the moment you have a furnace and some stone. Feed it…How to Upgrade Generators Through Every TierThe Upgrade Chain Iron Generators uses a linear upgrade path. Each tier has a dedicated upgrade item that converts…How to Use Efficiency, Speed, and Overdrive AugmentsWhat Each Augment Does Augments are add-on items you install into a generator to change how it behaves: Efficiency…

Recipes

Every recipe the mod adds, grouped by how it is made.

Crafting · 20

Items

Allthemodium to Vibranium Generator UpgradeDiamond to Crystal Generator UpgradeDiamond to Obsidian Generator UpgradeEfficiency AugmentGold to Diamond Generator UpgradeGold To Emerald Generator UpgradeIron to Gold Generator UpgradeNetherite To Allthemodium Generator UpgradeObsidian to Netherite Generator UpgradeOverdrive AugmentSpeed AugmentStone to Iron Generator UpgradeUpgrade BaseVibranium to Unobtainium Generator Upgrade

Blocks

Allthemodium GeneratorCopper GeneratorCrystal GeneratorDiamond GeneratorEmerald GeneratorGold GeneratorIron GeneratorNetherite GeneratorObsidian GeneratorStone GeneratorUnobtainium GeneratorVibranium Generator

Configuration

Every setting in the mod config file, with what it changes.

OptionWhat it does
iron_generator_fe/tickIron Generator Fe / tick

Frequently asked questions

How do I get started with Iron Generators?
Craft a Stone Generator first, place it down, and feed it a burnable fuel like coal or wood to start producing energy. Then craft a Stone to Iron Generator Upgrade and apply it to the Stone Generator to reach the Iron tier, which is the mod's namesake baseline.
What fuel can I put in a generator?
Generators accept standard furnace fuels such as coal, charcoal, wood, and lava buckets. Higher-tier fuels generally burn longer, so use the best fuel you have to reduce how often you need to refuel.
How do I upgrade a generator to the next tier?
Craft the appropriate upgrade item for your current tier (for example, Iron to Gold Generator Upgrade) and use it on the placed generator. The generator is converted in place, keeping its position and any augments installed.
What's the difference between Efficiency, Speed, and Overdrive Augments?
Efficiency Augments increase the energy produced per unit of fuel, Speed Augments increase the rate of energy output, and Overdrive Augments push output further at some cost. Install them in the generator's augment slots to tune its behavior.
Can I put multiple augments in one generator?
Yes, generators have multiple augment slots, so you can combine Speed and Efficiency Augments in the same machine. Stacking the same augment type usually has diminishing returns, so mix types for balanced output.
My generator isn't producing energy — what's wrong?
Check that it has fuel, that its internal energy buffer isn't full, and that whatever you're powering is actually connected via cables or adjacent blocks. If the buffer is full and nothing draws power, the generator idles until energy is used.
How do I move energy from the generator to my machines?
Connect the generator to your machines using an energy cable or conduit from a compatible tech mod, or place machines directly adjacent if they accept direct input. The generator outputs energy from its configured output side.
What is the Upgrade Base used for?
The Upgrade Base is a crafting component used to craft the tier-to-tier generator upgrade items. You'll need one for each upgrade you want to make, so stock up on them before starting a progression run.
Is Iron Generators compatible with other tech mods?
Yes, the generators produce standard Forge Energy (FE), which is the common energy unit used by most modern tech mods. Any machine or cable that accepts FE can be powered by these generators.
Will a large generator array cause lag?
A modest array runs fine, but hundreds of generators ticking every game tick can hurt performance, especially on servers. Use higher-tier generators with augments instead of many low-tier ones to get the same output with fewer machines.