diff --git a/src/main/java/ellpeck/actuallyadditions/blocks/BlockLavaFactoryController.java b/src/main/java/ellpeck/actuallyadditions/blocks/BlockLavaFactoryController.java
index 04408b537..2f74a5de2 100644
--- a/src/main/java/ellpeck/actuallyadditions/blocks/BlockLavaFactoryController.java
+++ b/src/main/java/ellpeck/actuallyadditions/blocks/BlockLavaFactoryController.java
@@ -66,6 +66,7 @@ public class BlockLavaFactoryController extends BlockContainerBase implements IH
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public void displayHud(Minecraft minecraft, EntityPlayer player, ItemStack stack, MovingObjectPosition posHit, Profiler profiler, ScaledResolution resolution){
         TileEntityLavaFactoryController factory = (TileEntityLavaFactoryController)minecraft.theWorld.getTileEntity(posHit.blockX, posHit.blockY, posHit.blockZ);
         if(factory != null){
diff --git a/src/main/java/ellpeck/actuallyadditions/blocks/BlockPhantom.java b/src/main/java/ellpeck/actuallyadditions/blocks/BlockPhantom.java
index 98f8f6f55..30f848b6e 100644
--- a/src/main/java/ellpeck/actuallyadditions/blocks/BlockPhantom.java
+++ b/src/main/java/ellpeck/actuallyadditions/blocks/BlockPhantom.java
@@ -117,6 +117,7 @@ public class BlockPhantom extends BlockContainerBase implements IHudDisplay{
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public void displayHud(Minecraft minecraft, EntityPlayer player, ItemStack stack, MovingObjectPosition posHit, Profiler profiler, ScaledResolution resolution){
         TileEntity tile = minecraft.theWorld.getTileEntity(posHit.blockX, posHit.blockY, posHit.blockZ);
         if(tile != null){
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/IEnergyDisplay.java b/src/main/java/ellpeck/actuallyadditions/tile/IEnergyDisplay.java
index ab6d4bf92..af63fa8f8 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/IEnergyDisplay.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/IEnergyDisplay.java
@@ -10,9 +10,14 @@
 
 package ellpeck.actuallyadditions.tile;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
 public interface IEnergyDisplay{
 
+    @SideOnly(Side.CLIENT)
     int getEnergy();
 
+    @SideOnly(Side.CLIENT)
     int getMaxEnergy();
 }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityAtomicReconstructor.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityAtomicReconstructor.java
index a9082414c..b04bbbf37 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityAtomicReconstructor.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityAtomicReconstructor.java
@@ -13,6 +13,8 @@ package ellpeck.actuallyadditions.tile;
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyReceiver;
 import cpw.mods.fml.common.network.NetworkRegistry;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.items.lens.ItemLens;
 import ellpeck.actuallyadditions.items.lens.Lens;
 import ellpeck.actuallyadditions.items.lens.Lenses;
@@ -170,6 +172,7 @@ public class TileEntityAtomicReconstructor extends TileEntityInventoryBase imple
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFireworkBox.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFireworkBox.java
index c768da509..69ef06e2d 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFireworkBox.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFireworkBox.java
@@ -12,6 +12,8 @@ package ellpeck.actuallyadditions.tile;
 
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyReceiver;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.util.Util;
 import net.minecraft.entity.item.EntityFireworkRocket;
 import net.minecraft.init.Items;
@@ -169,6 +171,7 @@ public class TileEntityFireworkBox extends TileEntityBase implements IEnergyRece
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFurnaceSolar.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFurnaceSolar.java
index 715e76101..a22fd207a 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFurnaceSolar.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityFurnaceSolar.java
@@ -12,6 +12,8 @@ package ellpeck.actuallyadditions.tile;
 
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyProvider;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.util.WorldUtil;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraftforge.common.util.ForgeDirection;
@@ -94,6 +96,7 @@ public class TileEntityFurnaceSolar extends TileEntityBase implements IEnergyPro
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityHeatCollector.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityHeatCollector.java
index 1a6214cbd..b828af3cb 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityHeatCollector.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityHeatCollector.java
@@ -12,6 +12,8 @@ package ellpeck.actuallyadditions.tile;
 
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyProvider;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.util.Util;
 import ellpeck.actuallyadditions.util.WorldPos;
 import ellpeck.actuallyadditions.util.WorldUtil;
@@ -104,6 +106,7 @@ public class TileEntityHeatCollector extends TileEntityBase implements IEnergyPr
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLavaFactoryController.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLavaFactoryController.java
index c261848bb..19e7466ba 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLavaFactoryController.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLavaFactoryController.java
@@ -12,6 +12,8 @@ package ellpeck.actuallyadditions.tile;
 
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyReceiver;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.blocks.InitBlocks;
 import ellpeck.actuallyadditions.blocks.metalists.TheMiscBlocks;
 import ellpeck.actuallyadditions.util.WorldUtil;
@@ -101,6 +103,7 @@ public class TileEntityLavaFactoryController extends TileEntityBase implements I
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLeafGenerator.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLeafGenerator.java
index 38a529100..6a16e02ad 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLeafGenerator.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityLeafGenerator.java
@@ -13,6 +13,8 @@ package ellpeck.actuallyadditions.tile;
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyProvider;
 import cpw.mods.fml.common.network.NetworkRegistry;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.network.PacketHandler;
 import ellpeck.actuallyadditions.network.PacketParticle;
 import ellpeck.actuallyadditions.util.WorldPos;
@@ -130,6 +132,7 @@ public class TileEntityLeafGenerator extends TileEntityBase implements IEnergyPr
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }
diff --git a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityMiner.java b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityMiner.java
index 6dd5f55ef..19626d614 100644
--- a/src/main/java/ellpeck/actuallyadditions/tile/TileEntityMiner.java
+++ b/src/main/java/ellpeck/actuallyadditions/tile/TileEntityMiner.java
@@ -13,6 +13,8 @@ package ellpeck.actuallyadditions.tile;
 import cofh.api.energy.EnergyStorage;
 import cofh.api.energy.IEnergyReceiver;
 import cpw.mods.fml.common.network.NetworkRegistry;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 import ellpeck.actuallyadditions.network.PacketHandler;
 import ellpeck.actuallyadditions.network.PacketParticle;
 import ellpeck.actuallyadditions.network.gui.IButtonReactor;
@@ -191,6 +193,7 @@ public class TileEntityMiner extends TileEntityInventoryBase implements IEnergyR
     }
 
     @Override
+    @SideOnly(Side.CLIENT)
     public int getMaxEnergy(){
         return this.storage.getMaxEnergyStored();
     }