Electro Furnace

Electro Furnace
Type Machine

Luminance No
Tool ?
Stackable Yes (64)

The Electric Furnace is an improved and more costly version of the Iron Furnace.

The benefits of this device compared to the Iron Furnace are that the Electric Furnace is 12.5% faster and, as the name indicates, uses electricity. By running on electricity instead of burning items, it is able to shut off immediately upon finishing (and thus avoid wasting energy). You can best take advantage of this by having some form of energy storage between the Electro Furnace and the generator(s).

The Electric Furnace uses approximately 390 EU per operation. When connected to a Generator, one piece of (char)coal will provide 10 operations. An Iron Furnace, in comparison, uses 400 EUs per operation (Coal has an EU yield of 4000 in a Generator and provides 10 operations in an Iron Furnace) and it doesn't stop when there is nothing left to smelt. Additionally, an Electric Furnace can be powered by alternative sources such as Solar Panels.



Simply add something to smelt in the top slot and supply the Electric Furnace with EU.

  • The lower slot is used to provide power from a RE Battery or other energy storage item if a direct Cable connection is not available.


Input 390 (3 EU/t)
Output -
Storage 416

Each operation costs 390 EU.
Maximum input: 32 EU/t before exploding

Smelting Production Tables Based on Fuel and Furnace Type
Fuel Type Heat Units Total EU Number of Operations per Unit of Fuel
Stone Furnace
Grid Furnace.png (200 Heat)
Iron Furnace
Grid Iron Furnace.png (160 Heat)
Electric Furnace
16px (390 EU)
Induction Furnace‡
16px (6000-208 EU)
16px Fuel can with 6 Coalfuel Cells 30576 76440 152 191 196 10 734
16px Lava Bucket 20000†† 20000 100 12.5 5.13 0.66 19.2
16px Fuel can with 6 Biofuel Cells 10416 26040 52 65 66.77 8.6 250
Grid Coal.png Coal/Charcoal 1600 4000 8 10 10.25 1.33 38
16px Scrap 350 870 1.75 2.2 2.23 0.3 8.4
Grid Wooden Planks.pngGrid Wood.pngGrid Chest.png Wood/Planks/Other Wood Items† 300 750 1.5 1.9 1.92 0.25 7.2
16pxGrid Stick.png Regular Saplings and Sticks 100 250 0.5 0.6 0.64 < 0.1 2.4
16px Rubber Sapling 80 200 0.4 0.5 0.51 < 0.1 1.92
16px16px Reed/Cactus 50 120 0.25 0.3 0.3 < 0.1 1.16

†Other Wood Items = Any block with its material set to "Wood" (includes blocks added by other mods if material defined properly). Includes all other items that can be burned in a regular Furnace, see Smelting for a complete list.
‡Assuming the smelting of 2 items simultaneously, divide by 2 if you are only smelting one item. For values < 2 keep in mind that you will actually have 2 partially finished units.
††Lava buckets are worth 10% of their value (2000) inside Iron Furnaces and Generators.


The Electric Furnace can accept overclocker upgrades, meaning that it can potentially smelt items faster than its advanced counterpart, the Induction_Furnace. While an Electric Furnace with a large number of overclockers can smelt items much faster (about 20 items per second max) without drawing energy when inactive, it can only process one stack at time, making it horrendously energy-inefficient in comparison.

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