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Tech riderRev. 3 Oct 2026

Alternate Current

Ch 066.8of 24 Minecraft Performance Mods
  1. 1Runs onLinux, self-hosted
  2. 2CostsFree plan
  3. 3Mod loaderfabric
  4. 4Performance focusserver
  5. 5Minecraft versions1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21, 1.21.2, 1.21.11
5 lines stated Written from the maker's own pages: github.com, modrinth.com
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Overview

Alternate Current is ranked #6 of 24 in Minecraft performance mods on Specifiction. It runs on Linux, Self-hosted. There is a free plan.

Alternate Current plans and pricing

All plans
Alternate Current Free MIT licensed Minecraft mod modrinth.com · 3 Oct 2026

Compared on Minecraft performance mods

Free plan
Yesgithub.com
Mod loader
fabricgithub.com
Performance focus
servergithub.com
Minecraft versions
1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21, 1.21.2, 1.21.11github.com

Facts

Purpose
Alternate Current is an efficient, non-locational redstone dust implementation that reduces lag by optimizing power calculations and block and shape updates.github.com · 3 Oct 2026
Performance
The README says redstone dust contributes up to 20 times less MSPT with Alternate Current while maintaining high Vanilla parity.github.com · 3 Oct 2026
Predictable updates
The mod makes redstone network block updates deterministic and less dependent on location.github.com · 3 Oct 2026
Network calculation
It builds networks of connected wires and spreads power from wires receiving power from outside the network.github.com · 3 Oct 2026
Reduced updates
The README says each wire emits 24 block updates and 6 shape updates when its power changes, and network-level optimizations can reduce updates by up to 20%.github.com · 3 Oct 2026
Supported game
The project supports Minecraft: Java Edition, with listed versions spanning 26.3 through early Minecraft releases.modrinth.com · 3 Oct 2026
Loaders
Modrinth lists Fabric, Forge, NeoForge, Ornithe, and Quilt as supported platforms.modrinth.com · 3 Oct 2026
Runtime
Modrinth lists server-side and singleplayer as supported environments.modrinth.com · 3 Oct 2026
License
The project is licensed under MIT.modrinth.com · 3 Oct 2026
Distribution
Modrinth links to the source repository, issue reporting, and a Discord server.modrinth.com · 3 Oct 2026
Security
The GitHub repository has no detected security policy and no published security advisories.github.com · 3 Oct 2026
Compatibility limits
Available Minecraft versions and loaders vary by release; CurseForge lists version-specific files for Fabric, Quilt, NeoForge, and Forge.curseforge.com · 3 Oct 2026

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Sources