diff --git a/core/src/mindustry/world/blocks/power/SingleTypeGenerator.java b/core/src/mindustry/world/blocks/power/SingleTypeGenerator.java
index ff5da52aaa..95919f105b 100644
--- a/core/src/mindustry/world/blocks/power/SingleTypeGenerator.java
+++ b/core/src/mindustry/world/blocks/power/SingleTypeGenerator.java
@@ -3,6 +3,7 @@ package mindustry.world.blocks.power;
 import mindustry.type.*;
 
 public class SingleTypeGenerator extends ItemLiquidGenerator{
+    public boolean useItems = true;
 
     public SingleTypeGenerator(String name){
         super(name);
@@ -11,11 +12,11 @@ public class SingleTypeGenerator extends ItemLiquidGenerator{
 
     @Override
     protected float getItemEfficiency(Item item){
-        return 1f;
+        return useItems ? 1f : 0f;
     }
 
     @Override
     protected float getLiquidEfficiency(Liquid liquid){
-        return 0f;
+        return useItems ? 0f : 1f;
     }
 }