diff --git a/common/buildcraft/core/utils/AverageUtil.java b/common/buildcraft/core/utils/AverageUtil.java
new file mode 100644
index 00000000..f9c011da
--- /dev/null
+++ b/common/buildcraft/core/utils/AverageUtil.java
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
+ * http://www.mod-buildcraft.com
+ *
+ * BuildCraft is distributed under the terms of the Minecraft Mod Public
+ * License 1.0, or MMPL. Please check the contents of the license located in
+ * http://www.mod-buildcraft.com/MMPL-1.0.txt
+ */
+package buildcraft.core.utils;
+
+public class AverageUtil {
+	private double[] data;
+	private int pos, precise;
+	private double averageRaw, tickValue;
+
+	public AverageUtil(int precise) {
+		this.precise = precise;
+		this.data = new double[precise];
+		this.pos = 0;
+	}
+
+	public double getAverage() {
+		return averageRaw / precise;
+	}
+
+	public void tick(double value) {
+		internalTick(tickValue + value);
+		tickValue = 0;
+	}
+
+	public void tick() {
+		internalTick(tickValue);
+		tickValue = 0;
+	}
+
+	private void internalTick(double value) {
+		pos = ++pos % precise;
+		double oldValue = data[pos];
+		data[pos] = value;
+		if (pos == 0) {
+			averageRaw = 0;
+			for (double iValue : data) {
+				averageRaw += iValue;
+			}
+		} else {
+			averageRaw = averageRaw - oldValue + value;
+		}
+	}
+
+	public void push(double value) {
+		tickValue += value;
+	}
+}
diff --git a/common/buildcraft/silicon/TileAdvancedCraftingTable.java b/common/buildcraft/silicon/TileAdvancedCraftingTable.java
index c2efba27..97ce86f2 100644
--- a/common/buildcraft/silicon/TileAdvancedCraftingTable.java
+++ b/common/buildcraft/silicon/TileAdvancedCraftingTable.java
@@ -245,6 +245,7 @@ public class TileAdvancedCraftingTable extends TileLaserTableBase implements IIn
 
 	@Override
 	public void updateEntity() {
+		super.updateEntity();
 		if (internalPlayer == null) {
 			internalInventoryCrafting = new InternalInventoryCrafting();
 			internalPlayer = new InternalPlayer();
diff --git a/common/buildcraft/silicon/TileAssemblyTable.java b/common/buildcraft/silicon/TileAssemblyTable.java
index 55e830c7..ad002637 100644
--- a/common/buildcraft/silicon/TileAssemblyTable.java
+++ b/common/buildcraft/silicon/TileAssemblyTable.java
@@ -81,6 +81,7 @@ public class TileAssemblyTable extends TileLaserTableBase implements IMachine, I
 
 	@Override
 	public void updateEntity() { // WARNING: run only server-side, see canUpdate()
+		super.updateEntity();
 		if (currentRecipe == null) {
 			return;
 		}
diff --git a/common/buildcraft/silicon/TileLaserTableBase.java b/common/buildcraft/silicon/TileLaserTableBase.java
index a420df25..2747f081 100644
--- a/common/buildcraft/silicon/TileLaserTableBase.java
+++ b/common/buildcraft/silicon/TileLaserTableBase.java
@@ -18,21 +18,20 @@ import net.minecraft.nbt.NBTTagCompound;
 import buildcraft.api.power.ILaserTarget;
 import buildcraft.core.TileBuildCraft;
 import buildcraft.core.inventory.SimpleInventory;
+import buildcraft.core.utils.AverageUtil;
 
 public abstract class TileLaserTableBase extends TileBuildCraft implements ILaserTarget, IInventory {
 
 	public double clientRequiredEnergy = 0;
 	protected SimpleInventory inv = new SimpleInventory(getSizeInventory(), "inv", 64);
-	private double[] recentEnergy = new double[20];
 	private double energy = 0;
-	private int tick = 0;
 	private int recentEnergyAverage;
+	private AverageUtil recentEnergyAverageUtil = new AverageUtil(20);
 
 	@Override
 	public void updateEntity() {
-		tick++;
-		tick = tick % recentEnergy.length;
-		recentEnergy[tick] = 0.0f;
+		super.updateEntity();
+		recentEnergyAverageUtil.tick();
 	}
 
 	public double getEnergy() {
@@ -77,7 +76,7 @@ public abstract class TileLaserTableBase extends TileBuildCraft implements ILase
 	@Override
 	public void receiveLaserEnergy(double energy) {
 		this.energy += energy;
-		recentEnergy[tick] += energy;
+		recentEnergyAverageUtil.push(energy);
 	}
 
 	@Override
@@ -184,10 +183,7 @@ public abstract class TileLaserTableBase extends TileBuildCraft implements ILase
 	public void sendGUINetworkData(Container container, ICrafting iCrafting) {
 		int requiredEnergy = (int) (getRequiredEnergy() * 100.0);
 		int currentStored = (int) (energy * 100.0);
-		int lRecentEnergy = 0;
-		for (double element : recentEnergy) {
-			lRecentEnergy += (int) (element * 100.0 / (recentEnergy.length - 1));
-		}
+		int lRecentEnergy = (int) (recentEnergyAverageUtil.getAverage() * 100f);
 		iCrafting.sendProgressBarUpdate(container, 0, requiredEnergy & 0xFFFF);
 		iCrafting.sendProgressBarUpdate(container, 1, currentStored & 0xFFFF);
 		iCrafting.sendProgressBarUpdate(container, 2, (requiredEnergy >>> 16) & 0xFFFF);