Maybe fix negative buffer issues .

src/main/java/mekanism/common/EnergyNetwork.java

@@ -76,6 +76,10 @@ public class EnergyNetwork extends DynamicNetwork<EnergyAcceptorWrapper, EnergyN
 		{
 			buffer.amount = getCapacity();
 		}
+		if(buffer.amount < 0)
+		{
+			buffer.amount = 0;
+		}
 	}
 
 	@Override

src/main/java/mekanism/common/multipart/PartUniversalCable.java

@@ -158,6 +158,7 @@ public class PartUniversalCable extends PartTransmitter<EnergyAcceptorWrapper, E
 		super.load(nbtTags);
 
 		buffer.amount = nbtTags.getDouble("cacheEnergy");
+		if(buffer.amount < 0) buffer.amount = 0;
 		tier = Tier.CableTier.values()[nbtTags.getInteger("tier")];
 	}