diff --git a/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java b/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java
index 1ef6010f2b..a8462502ea 100644
--- a/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java
+++ b/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java
@@ -29,6 +29,7 @@ public class ItemLiquidGenerator extends PowerGenerator{
     public float maxLiquidGenerate = 0.4f;
 
     public Effect generateEffect = Fx.generatespark;
+    public float generateEffectRnd = 3f;
     public Effect explodeEffect = Fx.generatespark;
     public Color heatColor = Color.valueOf("ff9b59");
     public @Load("@-top") TextureRegion topRegion;
@@ -128,12 +129,12 @@ public class ItemLiquidGenerator extends PowerGenerator{
                 productionEfficiency = baseLiquidEfficiency * used / maximumPossible;
 
                 if(used > 0.001f && Mathf.chance(0.05 * delta())){
-                    generateEffect.at(x + Mathf.range(3f), y + Mathf.range(3f));
+                    generateEffect.at(x + Mathf.range(generateEffectRnd), y + Mathf.range(generateEffectRnd));
                 }
             }else if(hasItems){
                 // No liquids accepted or none supplied, try using items if accepted
                 if(generateTime <= 0f && items.total() > 0){
-                    generateEffect.at(x + Mathf.range(3f), y + Mathf.range(3f));
+                    generateEffect.at(x + Mathf.range(generateEffectRnd), y + Mathf.range(generateEffectRnd));
                     Item item = items.take();
                     productionEfficiency = getItemEfficiency(item);
                     explosiveness = item.explosiveness;
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;
     }
 }