Electric Furnace

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Electric Furnace
Electro Furnace ig.png
Grid Electric Furnace.png
Type Machine
Tool Grid Wrench.png

Stackable Yes (64)

Storage 1 input
1 output
4 upgrades
Grid Overclocker upgrade.png
Grid Transformer upgrade.png
Grid Energy Storage Upgrade.png
Grid Pulling Upgrade.png
Grid Advanced Pulling Upgrade.png
Grid Ejector Upgrade.png
Grid Advanced Ejector Upgrade.png
Previous tier Grid Iron Furnace.png Iron Furnace
Next tier Grid Induction Furnace.png Induction Furnace
Energy Consumption
Max EU Input 32 EU/t (LV)
EU Use 3 EU/t
EU Per Operation 390 EU
EU Storage 416 EU
Technical Details
Operation Length 6.5 Seconds
UU Cost {{{uu_cost}}}
First appearance ?
ID IC2:te

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

The Electric Furnace is 12.5% faster than the Grid Iron Furnace.png Iron Furnace and, as the name indicates, uses electricity. By running on electricity instead of burning fuel, it is able to shut off immediately upon finishing (and thus avoids wasting energy). You can best take advantage of this by having an EU storage block between the Electric Furnace and the Generator.

The Electric Furnace uses approximately 390 EU per operation. When connected to a Generator, one piece of coal will provide 10 operations. An Iron Furnace, in comparison, uses 400 EU 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 , a BatBox , an MFE or an MFSU .

Note: To use the Electric Furnace with an CESU, MFE or MFSU, you must use a transformer or Grid Transformer Upgrade.png Transformer Upgrade otherwise the Electric Furnace will explode.


Grid Redstone.png

Grid Electronic Circuit.png
Grid Iron Furnace.png

Grid Redstone.png

Grid Electro Furnace.png


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.
  • To carry items to the furnace using BuildCraft pipes, you must have the pipe feeding into the top of the furnace.

Grid Copper Dust.png
Grid RE Battery (Charged).png
Grid Copper.png


Input 32 EU/t (3 EU/t)
Output -
Storage 416 EU
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
Grid Electric Furnace.png (390 EU)
Induction Furnace‡
Grid Induction Furnace.png (6000-208 EU)
Minimum speed Maximum speed
Grid Fuel Can (Filled).png Fuel can with 6 Coalfuel Cells 30576 76440 152 191 196 25.5 735
Grid Lava Bucket.pngGrid Lava Cell.png Lava Bucket, Lava Cell and Lava Containers†† 20000‡‡ 20000 100 12.5 51.3††† 6.67††† 192†††
Grid Fuel Can (Filled).png Fuel can with 6 Biofuel Cells 10416 26040 52 65 66.77 8.6 250
Grid Coal.pngGrid Charcoal.png Coal/Charcoal 1600 4000 8 10 10.25 1.33 38
Grid Some random scrap.png 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
Grid Wooden Pickaxe.png Wooden Tools and Weapons 200 500 1.0 1.25 1.28 0.167 4.8
Grid Sapling.pngGrid Stick.png Regular Saplings and Sticks 100 250 0.5 0.6 0.64 0.0833 2.4
Grid Sapling.png Rubber Sapling 80 200 0.4 0.5 0.51 0.0667 1.92
Grid Sugar Cane.pngGrid Cactus.png Reed/Cactus 50 120 0.25 0.3 0.3 0.04 1.16

†Other Wood Items = Any block with its material set to "Wood" (includes blocks added by other mods if material defined properly). See Smelting for a complete list of items that can be smelted in a Stone Furnace.
‡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.
††All lava containers (e.g. Lava Cells, Lava Cans from Forestry) can be used in Iron Furnaces and Generators from 1.113 onwards.
‡‡All lava containers are worth 10% of their value (2000) inside Iron Furnaces and Generators.
†††Considering as using a Geothermal Generator. Divide by 10 if using a normal Generator instead.

On 1.5.2 makes the Fuel can with 6 Coalfuel Cells 305760 total EU.
On 1.5.2 makes the Fuel can with 6 Biofuel Cells 104160 total EU.


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.


Now, we got Iron Furnaces. And we got Redstone dust that for no apparent reason powers circuits indefinitely.

What do you think we would make of this? Cake? No!

We've created a completely new Furnace for you, THE ELECTRIC FURNACE.

As everyone knows, burning things to smelt stuff is reaaaaally old-school. It's like using a Commodore 64. And who's using one right now? Noone, right!

An electrically powered device has 3 important advantages.

First of all, without the wasteful burning of random stuff, much less energy is wasted during operation, meaning we could improve the smelting time of our all-beloved Iron Furnace by a further 12.5%! Now, that alone would be a reason to instantly upgrade to Electric Furnaces, wouldn't it?


Instead of causing massive pollution and shamefully wasting resources, Electric Furnaces are powered by, duh, ELECTRIC ENERGY! This energy is brought to you in form of our ueber-l33t T500-Rechargeable Energy Storation Unit. Or, for short: RE Battery. These little thingies can store quite high amounts of energy and will power Electric Furnaces for a long, long time.

But what happens if you just want to smelt 5 pieces of iron ore, wouldn't such an ueber-powerful battery be a waste? FRIKKIN' NO! Because the third advantage of the Electric Furnace is, it will not waste any energy if it isn't currently smelting something. You can just charge it up with a battery and then smelt whatever you want, whenever you want.

Deal? Deal! HAYO!