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AE AdditionsMinecraft mod for 1.21.1

An addon for Applied Energistics. Originally a fork of Extra Cells 2, now with extra features

client and servernewest supported release 1.21.1TechnologyStorage
Latest version
6.0.2
Minecraft
1.12.2 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge
Licence
GPL-3.0-only
Downloads
81.6k
Updated
9 mo ago
Available on
Modrinth
Space NodeOur hosting

Host AE Additions servers

One click and AE Additions is installed with the right loader, on hardware built for it.

  • 1.21.1
  • NeoForge
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version AE Additions declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023
1.19.2Forge, NeoForge17+declared5 Aug 2022
1.18.2Forge, NeoForge17+declared28 Feb 2022
1.16.5NeoForge, Forge8+declared14 Jan 2021
1.12.2Forge, NeoForge8+declared18 Sept 2017

Download

From AE Additions’s own host. Nothing is re-hosted here.

Most recently published release

6.0.2release22 Feb 2026

AEAdditions-1.21.1-6.0.2.jar · 0.7 MB · for 1.21.1 · NeoForge

Download this release
1ecb64e3735d…
Older versions8
  • unspecified11 Nov 20251.20.10.7 MB9.7k downloads4968e56bd207…Get
  • 6.0.130 May 20251.21.10.7 MB4.3k downloads3f4ce4417d12…Get
  • 6.0.020 May 20251.21.10.7 MB154 downloads986c2561557d…Get
  • 4.0.514 May 20251.19.20.7 MB5.7k downloads80a38335bd86…Get
  • 3.2.814 May 20251.18.20.8 MB1.6k downloadse7c4222796a1…Get
  • 1.3.814 May 20251.12.22.4 MB9.8k downloads27ec1ae9150d…Get
  • 2.0.314 May 20251.16.50.7 MB539 downloads01b104a1a834…Get
  • 5.1.014 May 20251.20.10.7 MB40.9k downloadse8214a1c4e7a…Get

Frequently asked

Does AE Additions work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version AE Additions declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does AE Additions support?

Everything the author has declared, from 1.12.2 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install AE Additions on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does AE Additions support?

NeoForge, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for AE Additions?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is AE Additions under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install AE Additions?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download AE Additions safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 22 Feb 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .