diff --git a/src/main/java/com/pahimar/ee3/api/EnergyValue.java b/src/main/java/com/pahimar/ee3/api/EnergyValue.java
index 9804e5da..34fae1d1 100644
--- a/src/main/java/com/pahimar/ee3/api/EnergyValue.java
+++ b/src/main/java/com/pahimar/ee3/api/EnergyValue.java
@@ -17,9 +17,9 @@ public final class EnergyValue implements Comparable<EnergyValue>, JsonDeseriali
         this(0);
     }
 
-    public EnergyValue(Number energyValue)
+    public EnergyValue(float energyValue)
     {
-        this.energyValue = energyValue.floatValue();
+        this.energyValue = energyValue;
     }
 
     @Override
diff --git a/src/main/java/com/pahimar/ee3/api/EnergyValueRegistryProxy.java b/src/main/java/com/pahimar/ee3/api/EnergyValueRegistryProxy.java
index b626d128..52866846 100644
--- a/src/main/java/com/pahimar/ee3/api/EnergyValueRegistryProxy.java
+++ b/src/main/java/com/pahimar/ee3/api/EnergyValueRegistryProxy.java
@@ -10,9 +10,9 @@ public final class EnergyValueRegistryProxy
     @Mod.Instance("EE3")
     private static Object ee3Mod;
 
-    public static void addPreAssignedEnergyValue(Object object, Number energyValue)
+    public static void addPreAssignedEnergyValue(Object object, float energyValue)
     {
-        addPreAssignedEnergyValue(object, new EnergyValue(energyValue.floatValue()));
+        addPreAssignedEnergyValue(object, new EnergyValue(energyValue));
     }
 
     public static void addPreAssignedEnergyValue(Object object, EnergyValue energyValue)
@@ -25,9 +25,9 @@ public final class EnergyValueRegistryProxy
         }
     }
 
-    public static void addPostAssignedEnergyValue(Object object, Number energyValue)
+    public static void addPostAssignedEnergyValue(Object object, float energyValue)
     {
-        addPostAssignedEnergyValue(object, new EnergyValue(energyValue.floatValue()));
+        addPostAssignedEnergyValue(object, new EnergyValue(energyValue));
     }
 
     public static void addPostAssignedEnergyValue(Object object, EnergyValue energyValue)
@@ -91,9 +91,9 @@ public final class EnergyValueRegistryProxy
         return null;
     }
 
-    public static List getStacksInRange(Number start, Number finish)
+    public static List getStacksInRange(float start, float finish)
     {
-        return getStacksInRange(new EnergyValue(start.floatValue()), new EnergyValue(finish.floatValue()));
+        return getStacksInRange(new EnergyValue(start), new EnergyValue(finish));
     }
 
     public static List getStacksInRange(EnergyValue start, EnergyValue finish)
diff --git a/src/main/java/com/pahimar/ee3/api/package-info.java b/src/main/java/com/pahimar/ee3/api/package-info.java
index d9ae187e..79244385 100644
--- a/src/main/java/com/pahimar/ee3/api/package-info.java
+++ b/src/main/java/com/pahimar/ee3/api/package-info.java
@@ -1,3 +1,3 @@
-@API(owner = "EE3", apiVersion = "1.0", provides = "EE3|API") package com.pahimar.ee3.api;
+@API(owner = "EE3", apiVersion = "1.1", provides = "EE3|API") package com.pahimar.ee3.api;
 
 import cpw.mods.fml.common.API;
\ No newline at end of file
diff --git a/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValue.java b/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValue.java
index 44849e4b..5b65281b 100644
--- a/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValue.java
+++ b/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValue.java
@@ -51,12 +51,12 @@ public class CommandSetEnergyValue extends CommandBase
         else
         {
             Item item = getItemByText(commandSender, args[2]);
-            double energyValue = 0;
+            float energyValue = 0;
             int metaData = 0;
 
             if (args.length >= 4)
             {
-                energyValue = parseDoubleWithMin(commandSender, args[3], 0);
+                energyValue = (float) parseDoubleWithMin(commandSender, args[3], 0);
             }
             else if (args.length >= 5)
             {
diff --git a/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValueCurrentItem.java b/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValueCurrentItem.java
index 961a5916..a685743e 100644
--- a/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValueCurrentItem.java
+++ b/src/main/java/com/pahimar/ee3/command/CommandSetEnergyValueCurrentItem.java
@@ -47,11 +47,11 @@ public class CommandSetEnergyValueCurrentItem extends CommandBase
         }
         else
         {
-            double energyValue = 0;
+            float energyValue = 0;
 
             if (args.length >= 3)
             {
-                energyValue = parseDoubleWithMin(commandSender, args[2], 0);
+                energyValue = (float) parseDoubleWithMin(commandSender, args[2], 0);
             }
 
             ItemStack itemStack = ((EntityPlayer) commandSender).getCurrentEquippedItem();
diff --git a/src/main/java/com/pahimar/ee3/exchange/EnergyValueRegistry.java b/src/main/java/com/pahimar/ee3/exchange/EnergyValueRegistry.java
index caba67f1..7a1431ed 100644
--- a/src/main/java/com/pahimar/ee3/exchange/EnergyValueRegistry.java
+++ b/src/main/java/com/pahimar/ee3/exchange/EnergyValueRegistry.java
@@ -49,7 +49,7 @@ public class EnergyValueRegistry implements JsonSerializer<EnergyValueRegistry>,
         return energyValueRegistry;
     }
 
-    public void addPreAssignedEnergyValue(Object object, Number energyValue)
+    public void addPreAssignedEnergyValue(Object object, float energyValue)
     {
         addPreAssignedEnergyValue(object, new EnergyValue(energyValue));
     }
@@ -85,7 +85,7 @@ public class EnergyValueRegistry implements JsonSerializer<EnergyValueRegistry>,
         }
     }
 
-    public void addPostAssignedExactEnergyValue(Object object, Number energyValue)
+    public void addPostAssignedExactEnergyValue(Object object, float energyValue)
     {
         addPostAssignedExactEnergyValue(object, new EnergyValue(energyValue));
     }
diff --git a/src/main/java/com/pahimar/ee3/init/Abilities.java b/src/main/java/com/pahimar/ee3/init/Abilities.java
index a8d70377..c57023c1 100644
--- a/src/main/java/com/pahimar/ee3/init/Abilities.java
+++ b/src/main/java/com/pahimar/ee3/init/Abilities.java
@@ -1,6 +1,7 @@
 package com.pahimar.ee3.init;
 
 import com.pahimar.ee3.api.AbilityRegistryProxy;
+import com.pahimar.ee3.exchange.CachedOreDictionary;
 import com.pahimar.ee3.exchange.OreStack;
 import net.minecraft.init.Blocks;
 import net.minecraft.item.ItemStack;
@@ -14,6 +15,10 @@ public class Abilities
         {
             if (oreName.startsWith("ore"))
             {
+                for (ItemStack itemStack : CachedOreDictionary.getInstance().getItemStacksForOreName(oreName))
+                {
+                    AbilityRegistryProxy.setAsNotLearnable(itemStack);
+                }
                 AbilityRegistryProxy.setAsNotLearnable(new OreStack(oreName));
             }
         }
diff --git a/src/main/java/com/pahimar/ee3/init/EnergyValues.java b/src/main/java/com/pahimar/ee3/init/EnergyValues.java
index 32de5170..d61fa2c5 100644
--- a/src/main/java/com/pahimar/ee3/init/EnergyValues.java
+++ b/src/main/java/com/pahimar/ee3/init/EnergyValues.java
@@ -80,7 +80,7 @@ public class EnergyValues
         EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.brown_mushroom, 32);
         EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.red_mushroom, 32);
         EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.red_mushroom, 32);
-        EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.snow_layer, 0.125);
+        EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.snow_layer, 0.125f);
         EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.cactus, 8);
         EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.vine, 8);
         EnergyValueRegistryProxy.addPreAssignedEnergyValue(Blocks.waterlily, 16);