About NEXO
From ModrinthA Fabric mod that unleashes the power of nuclear technology.
NEXO(Nuclear Engineering and X-factor Optimization) is an ambitious mod designed for the Fabric modloader, introducing complex nuclear technologies into the Minecraft world. Built for players who love automation and engineering, NEXO allows you to create highly efficient nuclear reactors, manage energy/fluid systems, and explore advanced machinery for resource processing.
Features: Nuclear Reactors: Design and build powerful reactors with custom components and manage their energy output. Energy Management: Optimize energy distribution across your base with cutting-edge technology.
For an optimal experience, use Roughly Enough Items (REI) along with Architectury API and Cloth Config API to help manage recipes and configurations. If you need any extra information go to our wiki or discord.
Since this mod is in its early stages you should stay tuned for many more updates as the mod continues to develop! Feedback, suggestions and issues are always welcome on the GitHub page and discord.
Highlights
From source dataGame versions
Built for Minecraft 1.19.2.
Loaders
Runs on Fabric.
Footprint
Rated a light load on a server.
NEXO on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
- Server side
- Required on the server
- Server type needed
- Fabric
- Server load
- light
- Smallest plan we suggest
- Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- alpha-0.0.549 (alpha), released 2024-10-24
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| Fabric | 1.19.2 | 1.19.2 |
From 2 recorded builds of NEXO.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| alpha-0.0.549 alpha | 2024-10-24 | 1.19.2 | Fabric |
| alpha-0.0.548 alpha | 2024-09-27 | 1.19.2 | Fabric |
Run NEXO on a Minecraft server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogTechnology & automation
Machines, power, logistics and automation.
Runs on your server
From source side supportModrinth lists NEXO as required on the server. Check its Modrinth page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- Fabric
- Runs on
- Serverrequired on the server
- Game versions
- 1.19.2
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-03Open ↗
- ✓Authormopsy14, as published on Modrinth
- ✓LicenseMITFree












