diff --git a/src/main/java/li/cil/oc/api/API.java b/src/main/java/li/cil/oc/api/API.java
index cb1c13b76..7a89a5b96 100644
--- a/src/main/java/li/cil/oc/api/API.java
+++ b/src/main/java/li/cil/oc/api/API.java
@@ -1,7 +1,13 @@
 package li.cil.oc.api;
 
 import com.typesafe.config.Config;
-import li.cil.oc.api.detail.*;
+import li.cil.oc.api.detail.DriverAPI;
+import li.cil.oc.api.detail.FileSystemAPI;
+import li.cil.oc.api.detail.ItemAPI;
+import li.cil.oc.api.detail.MachineAPI;
+import li.cil.oc.api.detail.ManualAPI;
+import li.cil.oc.api.detail.NanomachinesAPI;
+import li.cil.oc.api.detail.NetworkAPI;
 
 /**
  * Central reference for the API.
@@ -12,7 +18,25 @@ import li.cil.oc.api.detail.*;
  */
 public class API {
     public static final String ID_OWNER = "OpenComputers|Core";
-    public static final String VERSION = "5.6.2";
+    public static final String VERSION = "5.6.3";
+
+    // ----------------------------------------------------------------------- //
+
+    /**
+     * The loaded config.
+     */
+    public static Config config = null;
+
+    /**
+     * Whether OpenComputers uses power.
+     * <p/>
+     * This is set in the init phase, so do not rely it before the post-init phase.
+     */
+    public static boolean isPowerEnabled = false;
+
+    // ----------------------------------------------------------------------- //
+    // Prefer using the static methods in the respective classes in this package
+    // over accessing these instances directly.
 
     public static DriverAPI driver = null;
     public static FileSystemAPI fileSystem = null;
@@ -22,5 +46,8 @@ public class API {
     public static NanomachinesAPI nanomachines = null;
     public static NetworkAPI network = null;
 
-    public static Config config = null;
+    // ----------------------------------------------------------------------- //
+
+    private API() {
+    }
 }
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index de65e0fc3..b75d1ad48 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -1153,6 +1153,10 @@ opencomputers {
     # the *worst case* is ~30KB/s/client. Again, for normal use-cases this
     # is actually barely noticeable.
     setRawDelay: 0.2
+
+    # Whether the hologram block should provide light. It'll also emit light
+    # when off, because having state-based light in MC is... painful.
+    emitLight: true
   }
 
   # Other settings that you might find useful to tweak.
diff --git a/src/main/scala/li/cil/oc/Settings.scala b/src/main/scala/li/cil/oc/Settings.scala
index 09b59fb15..fa07d0bad 100644
--- a/src/main/scala/li/cil/oc/Settings.scala
+++ b/src/main/scala/li/cil/oc/Settings.scala
@@ -309,6 +309,7 @@ class Settings(val config: Config) {
       Array(0.25, 0.5)
   }
   val hologramSetRawDelay = config.getDouble("hologram.setRawDelay") max 0
+  val hologramLight = config.getBoolean("hologram.emitLight")
 
   // ----------------------------------------------------------------------- //
   // misc
diff --git a/src/main/scala/li/cil/oc/common/Proxy.scala b/src/main/scala/li/cil/oc/common/Proxy.scala
index fe59c117d..938a63380 100644
--- a/src/main/scala/li/cil/oc/common/Proxy.scala
+++ b/src/main/scala/li/cil/oc/common/Proxy.scala
@@ -101,6 +101,8 @@ class Proxy {
 
     OpenComputers.log.info("Initializing recipes.")
     Recipes.init()
+
+    api.API.isPowerEnabled = !Settings.get.ignorePower
   }
 
   def postInit(e: FMLPostInitializationEvent) {
diff --git a/src/main/scala/li/cil/oc/common/block/Hologram.scala b/src/main/scala/li/cil/oc/common/block/Hologram.scala
index d3cee1f58..1c6e07a26 100644
--- a/src/main/scala/li/cil/oc/common/block/Hologram.scala
+++ b/src/main/scala/li/cil/oc/common/block/Hologram.scala
@@ -2,8 +2,8 @@ package li.cil.oc.common.block
 
 import java.util
 
+import li.cil.oc.Settings
 import li.cil.oc.common.tileentity
-import li.cil.oc.integration.coloredlights.ModColoredLights
 import li.cil.oc.util.Rarity
 import li.cil.oc.util.Tooltip
 import net.minecraft.block.state.IBlockState
@@ -17,7 +17,9 @@ import net.minecraftforge.fml.relauncher.Side
 import net.minecraftforge.fml.relauncher.SideOnly
 
 class Hologram(val tier: Int) extends SimpleBlock {
-  ModColoredLights.setLightLevel(this, 15, 15, 15)
+  if (Settings.get.hologramLight) {
+    ModColoredLights.setLightLevel(this, 15, 15, 15)
+  }
   setBlockBounds(0, 0, 0, 1, 0.5f, 1)
 
   // ----------------------------------------------------------------------- //