diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/booklet/InitBooklet.java b/src/main/java/de/ellpeck/actuallyadditions/mod/booklet/InitBooklet.java
index 001faabbb..5e3481c4f 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/booklet/InitBooklet.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/booklet/InitBooklet.java
@@ -139,7 +139,7 @@ public final class InitBooklet{
         crystalPages.add(new PageCrafting(crystalPages.size()+1, MiscCrafting.RECIPES_CRYSTAL_BLOCKS).setNoText());
         chaptersIntroduction[2] = new BookletChapter("engineerHouse", ActuallyAdditionsAPI.entryGettingStarted, new ItemStack(Items.EMERALD), new PageTextOnly(1), new PagePicture(2, "page_engineer_house", 145));
         chaptersIntroduction[6] = new BookletChapter("crystals", ActuallyAdditionsAPI.entryGettingStarted, new ItemStack(InitBlocks.blockAtomicReconstructor), crystalPages.toArray(new BookletPage[crystalPages.size()])).setSpecial();
-        chaptersIntroduction[5] = new BookletChapter("coalGen", ActuallyAdditionsAPI.entryGettingStarted, new ItemStack(InitBlocks.blockCoalGenerator), new PageCrafting(1, BlockCrafting.recipeCoalGen).setWildcard().addTextReplacement("<rf>", TileEntityCoalGenerator.PRODUCE));
+        chaptersIntroduction[5] = new BookletChapter("coalGen", ActuallyAdditionsAPI.entryGettingStarted, new ItemStack(InitBlocks.blockCoalGenerator), new PageTextOnly(1).addTextReplacement("<rf>", TileEntityCoalGenerator.PRODUCE), new PageCrafting(2, BlockCrafting.recipeCoalGen).setWildcard().setNoText());
         ArrayList<BookletPage> empowererPages = new ArrayList<BookletPage>();
         empowererPages.addAll(Arrays.asList(new PageTextOnly(1), new PagePicture(2, "page_empowerer", 137), new PageCrafting(3, BlockCrafting.recipeEmpowerer), new PageCrafting(4, BlockCrafting.recipeDisplayStand)));
         for(int i = 0; i < EmpowererHandler.MAIN_PAGE_RECIPES.size(); i++){
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityCoalGenerator.java b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityCoalGenerator.java
index 3bdb542e4..e28df58a6 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityCoalGenerator.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityCoalGenerator.java
@@ -28,6 +28,7 @@ public class TileEntityCoalGenerator extends TileEntityInventoryBase implements
     private int lastEnergy;
     private int lastBurnTime;
     private int lastCurrentBurnTime;
+    private int lastCompare;
 
     public TileEntityCoalGenerator(){
         super(1, "coalGenerator");
@@ -82,7 +83,9 @@ public class TileEntityCoalGenerator extends TileEntityInventoryBase implements
                 this.slots.set(0, StackUtil.addStackSize(this.slots.get(0), -1));
             }
 
-            if(flag != this.currentBurnTime > 0){
+            if(flag != this.currentBurnTime > 0 || this.lastCompare != this.getComparatorStrength()){
+                this.lastCompare = this.getComparatorStrength();
+
                 this.markDirty();
             }
 
@@ -94,6 +97,12 @@ public class TileEntityCoalGenerator extends TileEntityInventoryBase implements
         }
     }
 
+    @Override
+    public int getComparatorStrength(){
+        float calc = ((float)this.storage.getEnergyStored()/(float)this.storage.getMaxEnergyStored())*15F;
+        return (int)calc;
+    }
+
     @Override
     public boolean isItemValidForSlot(int i, ItemStack stack){
         return TileEntityFurnace.getItemBurnTime(stack) > 0;
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityOilGenerator.java b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityOilGenerator.java
index fbc3a3d63..3330b71f6 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityOilGenerator.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityOilGenerator.java
@@ -47,6 +47,7 @@ public class TileEntityOilGenerator extends TileEntityBase implements ISharingEn
     private int lastBurnTime;
     private int lastMaxBurnTime;
     private int lastEnergyProduce;
+    private int lastCompare;
 
     public TileEntityOilGenerator(){
         super("oilGenerator");
@@ -107,7 +108,6 @@ public class TileEntityOilGenerator extends TileEntityBase implements ISharingEn
     public void updateEntity(){
         super.updateEntity();
         if(!this.world.isRemote){
-            int lastCompare = this.getComparatorStrength();
             boolean flag = this.currentBurnTime > 0;
 
             if(this.currentBurnTime > 0 && this.currentEnergyProduce > 0){
@@ -133,7 +133,9 @@ public class TileEntityOilGenerator extends TileEntityBase implements ISharingEn
                 }
             }
 
-            if(flag != this.currentBurnTime > 0 || lastCompare != this.getComparatorStrength()){
+            if(flag != this.currentBurnTime > 0 || this.lastCompare != this.getComparatorStrength()){
+                this.lastCompare = this.getComparatorStrength();
+
                 this.markDirty();
             }
 
diff --git a/src/main/resources/assets/actuallyadditions/lang/en_US.lang b/src/main/resources/assets/actuallyadditions/lang/en_US.lang
index 62f42ffeb..8aa3d1e41 100644
--- a/src/main/resources/assets/actuallyadditions/lang/en_US.lang
+++ b/src/main/resources/assets/actuallyadditions/lang/en_US.lang
@@ -870,7 +870,7 @@ booklet.actuallyadditions.chapter.repairer.name=Item Repairer
 booklet.actuallyadditions.chapter.repairer.text.1=The <item>Item Repairer<r> uses <imp><rf> CF/t<r> to repair items that can be repaired in an Anvil <imp>without needing any materials<r>!
 
 booklet.actuallyadditions.chapter.coalGen.name=Coal Generator
-booklet.actuallyadditions.chapter.coalGen.text.1=The <item>Coal Generator<r> generates <imp><rf> CF/t<r> through the use of everything that can be put into a furnace. <n>Note that it only starts burning something up if the buffer isn't already full of power. <n>It will <imp>stop generating<r> when powered by <imp>Redstone<r>.
+booklet.actuallyadditions.chapter.coalGen.text.1=The <item>Coal Generator<r> generates <imp><rf> CF/t<r> through the use of everything that can be put into a furnace. <n>Note that it only starts burning something up if the buffer isn't already full of power. <n>It will <imp>stop generating<r> when powered by <imp>Redstone<r>. <n>Additionally, using a <item>Comparator<r> will yield the percentage of <imp>energy stored<r>.
 
 booklet.actuallyadditions.chapter.solarPanel.name=Solar Panel
 booklet.actuallyadditions.chapter.solarPanel.text.1=The <item>Solar Panel<r> <imp>produces <rf> CF/t<r> when it has direct daylight above it and it is daytime. Any blocks above it that are transparent will <imp>decrease its efficiency<r>, however. <n><n><i>Panelled walls