diff --git a/src/main/java/mekanism/api/MekanismConfig.java b/src/main/java/mekanism/api/MekanismConfig.java
index bd82c1d09..2ef3cb71d 100644
--- a/src/main/java/mekanism/api/MekanismConfig.java
+++ b/src/main/java/mekanism/api/MekanismConfig.java
@@ -186,6 +186,8 @@ public class MekanismConfig
 		public static double ethanolMultiplier;
 		public static boolean enableWindmillWhitelist;
 		public static List<String> winddimensionids;
+        public static double fusionThermocoupleEfficiency;
+        public static double fusionSteamTransferEfficiency;
 	}
 
 	public static class tools
diff --git a/src/main/java/mekanism/generators/common/FusionReactor.java b/src/main/java/mekanism/generators/common/FusionReactor.java
index 9ac0ce704..a264b9b14 100644
--- a/src/main/java/mekanism/generators/common/FusionReactor.java
+++ b/src/main/java/mekanism/generators/common/FusionReactor.java
@@ -11,6 +11,7 @@ import java.util.Set;
 
 import mekanism.api.Coord4D;
 import mekanism.api.IHeatTransfer;
+import mekanism.api.MekanismConfig.mekce_generators;
 import mekanism.api.gas.GasRegistry;
 import mekanism.api.gas.GasStack;
 import mekanism.api.gas.GasTank;
@@ -60,8 +61,8 @@ public class FusionReactor implements IFusionReactor
 	public static double plasmaHeatCapacity = 100;
 	public static double caseHeatCapacity = 1;
 	public static double enthalpyOfVaporization = 10;
-	public static double thermocoupleEfficiency = 0.00125;
-	public static double steamTransferEfficiency = 0.0025;
+	public static double thermocoupleEfficiency = mekce_generators.fusionThermocoupleEfficiency;
+	public static double steamTransferEfficiency = mekce_generators.fusionSteamTransferEfficiency;
 
 	//Heat transfer metrics
 	public static double plasmaCaseConductivity = 0.2;
diff --git a/src/main/java/mekanism/generators/common/GeneratorsCommonProxy.java b/src/main/java/mekanism/generators/common/GeneratorsCommonProxy.java
index c5aca5579..d53496e80 100644
--- a/src/main/java/mekanism/generators/common/GeneratorsCommonProxy.java
+++ b/src/main/java/mekanism/generators/common/GeneratorsCommonProxy.java
@@ -118,6 +118,8 @@ public class GeneratorsCommonProxy implements IGuiProvider
 		generators.turbineDisperserGasFlow = Mekanism.configurationgenerators.get("generation", "TurbineDisperserGasFlow", 640D).getDouble();
 		generators.condenserRate = Mekanism.configurationgenerators.get("generation", "TurbineCondenserFlowRate", 32000).getInt();
 		mekce_generators.enableWindmillWhitelist = Mekanism.configurationce.get("mekce_generation", "EnableWindmillWhitelist", true).getBoolean();
+        mekce_generators.fusionThermocoupleEfficiency = Mekanism.configurationce.get("mekce_generation", "FusionReactorEnergyEfficiency", 0.00125, "Fusion Reactor Energy Generation efficiency multiplier, Community Edition default is 0.00125, Legacy Mekanism default is 0.05").getDouble();
+        mekce_generators.fusionSteamTransferEfficiency = Mekanism.configurationce.get("mekce_generation", "FusionReactorSteamTransferEfficiency", 0.0025, "Fusion Reactor Steam Transfer efficiency multiplier, Community Edition default is 0.0025, Legacy Mekanism default is 0.1").getDouble();
 
 		generatorsrecipes.enableHeatGenerator = Mekanism.configurationrecipes.get("generationrecipes","enableHeatGenerator", true).getBoolean();
 		generatorsrecipes.enableSolarGenerator = Mekanism.configurationrecipes.get("generationrecipes","enableSolarGenerator", true).getBoolean();
diff --git a/src/main/java/mekanism/generators/common/MekanismGenerators.java b/src/main/java/mekanism/generators/common/MekanismGenerators.java
index c082bbcce..857012ae6 100644
--- a/src/main/java/mekanism/generators/common/MekanismGenerators.java
+++ b/src/main/java/mekanism/generators/common/MekanismGenerators.java
@@ -284,6 +284,8 @@ public class MekanismGenerators implements IModule
 		dataStream.writeDouble(generators.turbineDisperserGasFlow);
 		dataStream.writeInt(generators.condenserRate);
 		dataStream.writeBoolean(mekce_generators.enableWindmillWhitelist);
+        dataStream.writeDouble(mekce_generators.fusionThermocoupleEfficiency);
+        dataStream.writeDouble(mekce_generators.fusionSteamTransferEfficiency);
 
 		dataStream.writeBoolean(generatorsrecipes.enableHeatGenerator);
 		dataStream.writeBoolean(generatorsrecipes.enableSolarGenerator);
@@ -334,6 +336,8 @@ public class MekanismGenerators implements IModule
 		generators.turbineDisperserGasFlow = dataStream.readDouble();
 		generators.condenserRate = dataStream.readInt();
 		mekce_generators.enableWindmillWhitelist = dataStream.readBoolean();
+        mekce_generators.fusionThermocoupleEfficiency = dataStream.readDouble();
+        mekce_generators.fusionSteamTransferEfficiency = dataStream.readDouble();
 
 		generatorsrecipes.enableHeatGenerator = dataStream.readBoolean();
 		generatorsrecipes.enableSolarGenerator = dataStream.readBoolean();