diff --git a/src/main/java/storagecraft/gui/GuiController.java b/src/main/java/storagecraft/gui/GuiController.java
index 8fa7be9a4..baa8e11a7 100644
--- a/src/main/java/storagecraft/gui/GuiController.java
+++ b/src/main/java/storagecraft/gui/GuiController.java
@@ -41,9 +41,9 @@ public class GuiController extends GuiContainer {
 		int energy = controller.getEnergyStored(null);
 		int maxEnergy = controller.getMaxEnergyStored(null);
 
-		int height = (int) ((float) energy / (float) maxEnergy * (float) barHeight);
+		int newBarHeight = (int) ((float) energy / (float) maxEnergy * (float) barHeight);
 
-		drawTexturedModalRect(barX, barY + barHeight - height, 178, 0, barWidth, height);
+		drawTexturedModalRect(barX, barY + barHeight - newBarHeight, 178, 0, barWidth, newBarHeight);
 
 		fontRendererObj.drawString("Controller", x + 7, y + 7, 4210752);
 		fontRendererObj.drawString("Inventory", x + 7, y + 96, 4210752);
diff --git a/src/main/java/storagecraft/render/BlockCableRenderer.java b/src/main/java/storagecraft/render/BlockCableRenderer.java
index d684fccbb..53b29aec5 100644
--- a/src/main/java/storagecraft/render/BlockCableRenderer.java
+++ b/src/main/java/storagecraft/render/BlockCableRenderer.java
@@ -9,12 +9,11 @@ import storagecraft.render.model.CableModel;
 import storagecraft.tile.TileCable;
 
 public class BlockCableRenderer extends TileEntitySpecialRenderer {
+	public static final CableModel CABLE_MODEL = new CableModel();
 	public static final ResourceLocation CABLE_RESOURCE = new ResourceLocation("storagecraft:textures/blocks/cable.png");
 
 	@Override
 	public void renderTileEntityAt(TileEntity tile, double x, double y, double z, float scale) {
-		CableModel model = new CableModel((TileCable) tile);
-
 		GL11.glPushMatrix();
 		GL11.glTranslatef((float) x, (float) y, (float) z);
 
@@ -23,7 +22,7 @@ public class BlockCableRenderer extends TileEntitySpecialRenderer {
 
 			Minecraft.getMinecraft().renderEngine.bindTexture(CABLE_RESOURCE);
 
-			model.render(null, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
+			CABLE_MODEL.render((TileCable) tile, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F);
 
 			GL11.glPopMatrix();
 		}
diff --git a/src/main/java/storagecraft/render/model/CableModel.java b/src/main/java/storagecraft/render/model/CableModel.java
index 33a6b2ad7..97f6123dc 100644
--- a/src/main/java/storagecraft/render/model/CableModel.java
+++ b/src/main/java/storagecraft/render/model/CableModel.java
@@ -2,13 +2,10 @@ package storagecraft.render.model;
 
 import net.minecraft.client.model.ModelBase;
 import net.minecraft.client.model.ModelRenderer;
-import net.minecraft.entity.Entity;
 import net.minecraftforge.common.util.ForgeDirection;
 import storagecraft.tile.TileCable;
 
 public class CableModel extends ModelBase {
-	private TileCable cable;
-
 	private ModelRenderer core;
 	private ModelRenderer up;
 	private ModelRenderer down;
@@ -17,9 +14,7 @@ public class CableModel extends ModelBase {
 	private ModelRenderer south;
 	private ModelRenderer west;
 
-	public CableModel(TileCable cable) {
-		this.cable = cable;
-
+	public CableModel() {
 		core = new ModelRenderer(this, 0, 0);
 		core.addBox(6F, 6F, 6F, 4, 4, 4);
 		core.setTextureSize(16, 16);
@@ -49,8 +44,7 @@ public class CableModel extends ModelBase {
 		west.setTextureSize(16, 16);
 	}
 
-	@Override
-	public void render(Entity entity, float f, float f1, float f2, float f3, float f4, float f5) {
+	public void render(TileCable cable, float f, float f1, float f2, float f3, float f4, float f5) {
 		core.render(f5);
 
 		if (cable != null) {
diff --git a/src/main/java/storagecraft/tile/TileCable.java b/src/main/java/storagecraft/tile/TileCable.java
index c5fef4f97..cd9c3a039 100644
--- a/src/main/java/storagecraft/tile/TileCable.java
+++ b/src/main/java/storagecraft/tile/TileCable.java
@@ -27,15 +27,17 @@ public class TileCable extends TileSC {
 	}
 
 	public List<IMachine> findMachines(TileController controller) {
-		return findMachines(new ArrayList(), controller);
-	}
-
-	private List<IMachine> findMachines(List<Vec3> visited, TileController controller) {
 		List<IMachine> machines = new ArrayList<IMachine>();
 
+		findMachinesInternal(new ArrayList<Vec3>(), machines, controller);
+
+		return machines;
+	}
+
+	private void findMachinesInternal(List<Vec3> visited, List<IMachine> machines, TileController controller) {
 		for (Vec3 visitedBlock : visited) {
 			if (visitedBlock.xCoord == xCoord && visitedBlock.yCoord == yCoord && visitedBlock.zCoord == zCoord) {
-				return machines;
+				return;
 			}
 		}
 
@@ -65,12 +67,10 @@ public class TileCable extends TileSC {
 
 				visited.add(Vec3.createVectorHelper(x, y, z));
 			} else if (tile instanceof TileCable) {
-				machines.addAll(((TileCable) tile).findMachines(visited, controller));
+				((TileCable) tile).findMachinesInternal(visited, machines, controller);
 			} else if (tile instanceof TileController && (x != controller.xCoord || y != controller.yCoord || z != controller.zCoord)) {
 				worldObj.createExplosion(null, x, y, z, 4.5f, true);
 			}
 		}
-
-		return machines;
 	}
 }
diff --git a/src/main/java/storagecraft/tile/TileController.java b/src/main/java/storagecraft/tile/TileController.java
index 540a11346..6dc8390ad 100644
--- a/src/main/java/storagecraft/tile/TileController.java
+++ b/src/main/java/storagecraft/tile/TileController.java
@@ -59,9 +59,9 @@ public class TileController extends TileSC implements IEnergyHandler, INetworkTi
 			for (IMachine machine : connectedMachines) {
 				energyUsage += machine.getEnergyUsage();
 			}
-		}
 
-		storage.extractEnergy(getEnergyUsage(), false);
+			storage.extractEnergy(energyUsage, false);
+		}
 	}
 
 	public void onDestroyed() {
@@ -76,6 +76,10 @@ public class TileController extends TileSC implements IEnergyHandler, INetworkTi
 		connectedMachines.clear();
 	}
 
+	public List<IMachine> getMachines() {
+		return connectedMachines;
+	}
+
 	@Override
 	public void readFromNBT(NBTTagCompound nbt) {
 		super.readFromNBT(nbt);