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Mekanism Lights

by Thanatoros

Mekanism Lights adds light blocks to Mekanism, with a multiblock that lights an area whose size depends on its tier and the energy it receives.

ForgeNeoForgeClient and serverAll rights reserved1.20.1 – 1.21.1

What it does

Mekanism Lights provides Mekanism-style lights that cover a whole area around a block, with the range set by the tier. The light is placed as invisible light blocks a few blocks inside the range, only into air, so grass, flowers, torches and rails are not replaced and light does not pass through walls. The multiblock is powered through a casing that has one input port in its shell, and its interior is filled with High Density LED Arrays. A bigger multiblock lights a larger area depending on its size, and four tiers are crafted from the High Wattage Bulb.

The lights accept Mekanism energy upgrades, and installing a tier upgrade at the place raises the range. The on and off state is kept through reloads, and redstone mode and security upgrades are respected. Sneaking with an empty hand and right-clicking toggles the lights, and Mekanism security still applies. The mod requires Mekanism, and the same mod set is needed on both the server and every player's client. Files are published for Forge and NeoForge for 1.20.1 and 1.21.1 under All rights reserved.

Key features

  1. Tiered light range

    Each tier lights a wider area around the block, from a 3x3x3 box up to a 9x9x9 box.

  2. Multiblock lighting

    A multiblock built from light casings and LED arrays lights a larger area as its size grows.

  3. Energy upgrades

    Mekanism energy upgrades are accepted, and the number installed changes how much power the lights use.

  4. Adjustable light spacing

    A config option sets how often the light updates, and changing the range or spacing updates lights already placed.

Compatibility

Latest build for each game version and loader.

1.21.1Not available1.5.0+neoforge-1.21.1
1.20.11.5.0+forge-1.20.1Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

MekanismHigh-tech machinery, powerful energy generation, fancy gadgets and more. Now on Modrinth!
Required

How it compares

Full comparison

Mekanism Covers is under the Mozilla Public License 2.0, is client and server, and runs on Forge and NeoForge across 1.20.1 – 1.21.1. Mekanism: Mekalights is also client and server with both loaders and the same range, but it is under All rights reserved. Mekanism Bigger Teleporters is an MIT-licensed option for the same loaders and versions.

ModLoadersGame versionsEnvironmentUpdated
Mekanism LightsForge and NeoForge1.20.1 – 1.21.1Client and server2026-10-12
Mekanism CoversForge and NeoForge1.20.1 – 1.21.1Client and server2025-01-10
Mekanism: MekalightsForge and NeoForge1.20.1 – 1.21.1Client and server2026-09-30
Mekanism Bigger TeleportersForge and NeoForge1.20.1 – 1.21.1Client and server2026-05-25

Questions

Does Mekanism Lights need Mekanism?

Yes. Mekanism is a required dependency, so it must be installed alongside Mekanism Lights.

Does Mekanism Lights have to be installed on the server?

Yes. The server and every player need the mod installed.

Which game versions have files?

Files exist for 1.20.1 and 1.21.1, with Forge and NeoForge builds, and the latest is 1.5.0 for both.

In the catalog

Mekanism Lights is one of 8,499 Technology mods on ModsFinder, and one of 4,122 Technology mods for Forge. 32,366 mods support Minecraft 1.21.1.

More from Thanatoros

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What the author says

If you hate putting a light source every 3 blocks, this mod is for you. It adds Mekanism style lights that light up a whole area around them, with range depending on tier, and a Light Multiblock that lights an even bigger area depending on its size. Box from 3x3x3 up to 9x9x9 that lights a whole area.
Thanatoros, on the Modrinth page

Official listing

Owner
Thanatoros
Published
2025-10-04
Updated on Modrinth
2026-10-12
Facts verified
2026-10-15

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