diff --git a/build.gradle b/build.gradle
index 47d9c0f..eafc263 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,6 +47,8 @@ dependencies {
 
     modImplementation "net.earthcomputer:libstructure:${project.libstructure_version}"
     include "net.earthcomputer:libstructure:${project.libstructure_version}"
+
+    compileOnly "org.jetbrains:annotations:${project.jetbrains_annotations_version}"
 }
 
 publishing {
diff --git a/gradle.properties b/gradle.properties
index 2172b39..c35802a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -21,3 +21,4 @@ org.gradle.jvmargs = -Xmx1G
     autoconfig_version = 3.2.0-unstable
     libstructure_version = 1.4.1
     roughlyenoughitems_version = 5.1.0-unstable
+    jetbrains_annotations_version = 19.0.0
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/block/SimpleBlock.java b/src/main/java/com/thebrokenrail/energonrelics/api/block/SimpleBlock.java
index c67f430..6b68a3b 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/block/SimpleBlock.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/block/SimpleBlock.java
@@ -9,6 +9,7 @@ import net.minecraft.item.ItemGroup;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.Rarity;
 import net.minecraft.util.registry.Registry;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Simple Block
@@ -50,6 +51,7 @@ public class SimpleBlock extends Block {
      * @return Item Group
      */
     @SuppressWarnings("SameReturnValue")
+    @ApiStatus.OverrideOnly
     protected ItemGroup getItemGroup() {
         return EnergonRelics.ITEM_GROUP;
     }
@@ -58,6 +60,7 @@ public class SimpleBlock extends Block {
      * Should The Block item be Added To An Item Group In A Non-Development Environment
      * @return Should it Be Added
      */
+    @ApiStatus.OverrideOnly
     protected boolean addToItemGroup() {
         return true;
     }
@@ -66,6 +69,7 @@ public class SimpleBlock extends Block {
      * Should A Block Item Be Registered
      * @return Should It Be Registered
      */
+    @ApiStatus.OverrideOnly
     protected boolean registerItem() {
         return true;
     }
@@ -74,6 +78,7 @@ public class SimpleBlock extends Block {
      * Get Max Stack Count
      * @return Max Stack Count
      */
+    @ApiStatus.OverrideOnly
     protected int getMaxCount() {
         return 64;
     }
@@ -82,6 +87,7 @@ public class SimpleBlock extends Block {
      * Should The Item Rarity be Epic
      * @return Should It Be Epic
      */
+    @ApiStatus.OverrideOnly
     protected boolean isEpic() {
         return false;
     }
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyProviderBlockEntity.java b/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyProviderBlockEntity.java
index 32cd86a..1cb99cc 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyProviderBlockEntity.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyProviderBlockEntity.java
@@ -20,6 +20,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.registry.RegistryKey;
 import net.minecraft.world.World;
+import org.jetbrains.annotations.ApiStatus;
 
 import java.util.Collections;
 import java.util.List;
@@ -37,6 +38,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * Give Propagated Action To This Block
      * @param action Action
      */
+    @ApiStatus.Internal
     public final void addPropagatedAction(Action.PropagatedAction action) {
         if (isEnergyProvider()) {
             handlePropagatedAction(action);
@@ -50,6 +52,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * @param network Network ID
      * @return If Is In Network
      */
+    @ApiStatus.Internal
     public final boolean isNetwork(int network) {
         return isEnergyProvider() && EnergonRelics.NETWORK_CHIP_ITEM.getID(stack) == network;
     }
@@ -59,6 +62,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * @param pos Position
      * @return Is Within Distance
      */
+    @ApiStatus.Internal
     public final boolean isWithinDistance(Vec3d pos) {
         return getPos().isWithinDistance(pos, HardcodedConfig.POWER_RANGE);
     }
@@ -67,6 +71,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * Get Current Dimension
      * @return Current Dimension
      */
+    @ApiStatus.Internal
     public RegistryKey<World> getRegistryKey() {
         return Objects.requireNonNull(getWorld()).getRegistryKey();
     }
@@ -96,6 +101,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * Should Behave As Energy Provider
      * @return Is Energy Provider
      */
+    @ApiStatus.OverrideOnly
     public boolean isEnergyProvider() {
         return false;
     }
@@ -104,6 +110,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * Override To Handle Propagated Action
      * @param action Propagated Action
      */
+    @ApiStatus.OverrideOnly
     protected void handlePropagatedAction(Action.PropagatedAction action) {
         if (!isEnergyProvider()) {
             throw new UnsupportedOperationException();
@@ -149,6 +156,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * @param world World
      * @return Item Stack
      */
+    @ApiStatus.Internal
     public ItemStack takeStack(World world) {
         ItemStack newStack = stack.copy();
         setEnergyProviderSource(world, getPos(), newStack, true);
@@ -162,6 +170,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * @param newStack Item Stack
      * @param world World
      */
+    @ApiStatus.Internal
     public void placeStack(ItemStack newStack, World world) {
         setEnergyProviderSource(world, getPos(), newStack, false);
         stack = newStack.copy();
@@ -172,6 +181,7 @@ public class EnergyProviderBlockEntity extends BlockEntity implements BlockEntit
      * Has Item Stack
      * @return Has Item Stack
      */
+    @ApiStatus.Internal
     public boolean hasStack() {
         return !stack.isEmpty();
     }
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyReceiverBlockEntity.java b/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyReceiverBlockEntity.java
index 16e0dc3..38620ca 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyReceiverBlockEntity.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/core/EnergyReceiverBlockEntity.java
@@ -9,6 +9,7 @@ import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.IntArrayTag;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.util.math.Vec3d;
+import org.jetbrains.annotations.ApiStatus;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -35,7 +36,7 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
      * @param action Action
      * @return If It Was Sent
      */
-    protected boolean hasSent(Action.PropagatedAction action) {
+    protected final boolean hasSent(Action.PropagatedAction action) {
         return sent.contains(action);
     }
 
@@ -43,7 +44,7 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
      * Propagate Action To The Network's Energy Providers
      * @param action Propagated Action
      */
-    protected void propagateAction(Action.PropagatedAction action) {
+    protected final void propagateAction(Action.PropagatedAction action) {
         sent.add(action);
 
         totalCost = totalCost + action.amountOwed();
@@ -61,12 +62,12 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
      * Convert Action To A Propagated Action And Then Propagate It
      * @param action Action
      */
-    protected void addAction(Action action) {
+    protected final void addAction(Action action) {
         propagateAction(new Action.PropagatedActionImpl(action, getWorld(), getPos(), getCachedState()));
     }
 
     @Override
-    public List<EnergyTickable> startTick() {
+    public final List<EnergyTickable> startTick() {
         sent.clear();
 
         List<EnergyTickable> list = new ArrayList<>(super.startTick());
@@ -97,7 +98,7 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
     }
 
     @Override
-    public void logicTick() {
+    public final void logicTick() {
         super.logicTick();
         assert getWorld() != null;
         getWorld().getProfiler().push("energyTick");
@@ -109,7 +110,8 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
      * Get Total Cost In Energon
      * @return Cost
      */
-    public long getTotalCost() {
+    @ApiStatus.Internal
+    public final long getTotalCost() {
         return previousTotalCost;
     }
 
@@ -133,12 +135,14 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
     /**
      * Create And Propagate Actions
      */
+    @ApiStatus.OverrideOnly
     protected abstract void energyTick();
 
     /**
      * Toggle If This Is In The Specified Network
      * @param network Network ID
      */
+    @ApiStatus.Internal
     public void toggle(int network) {
         if (contains(network)) {
             networks.removeAll(Collections.singletonList(network));
@@ -153,6 +157,7 @@ public abstract class EnergyReceiverBlockEntity extends EnergyProviderBlockEntit
      * @param network Network ID
      * @return If It Contains This Block
      */
+    @ApiStatus.Internal
     public boolean contains(int network) {
         return networks.contains(network);
     }
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/helper/EnergyGeneratorBlockEntity.java b/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/helper/EnergyGeneratorBlockEntity.java
index ed97c4f..7d23456 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/helper/EnergyGeneratorBlockEntity.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/block/entity/helper/EnergyGeneratorBlockEntity.java
@@ -3,6 +3,7 @@ package com.thebrokenrail.energonrelics.api.block.entity.helper;
 import com.thebrokenrail.energonrelics.api.block.entity.core.EnergyProviderBlockEntity;
 import com.thebrokenrail.energonrelics.api.energy.Action;
 import net.minecraft.block.entity.BlockEntityType;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Simple Implementation Of A Energy Generator
@@ -15,17 +16,17 @@ public abstract class EnergyGeneratorBlockEntity extends EnergyProviderBlockEnti
     private long energy = 0;
 
     @Override
-    public boolean isEnergyProvider() {
+    public final boolean isEnergyProvider() {
         return true;
     }
 
     @Override
-    public long getEnergy() {
+    public final long getEnergy() {
         return energy;
     }
 
     @Override
-    public void setEnergy(long value) {
+    public final void setEnergy(long value) {
         if (value < 0) {
             throw new UnsupportedOperationException();
         }
@@ -33,11 +34,12 @@ public abstract class EnergyGeneratorBlockEntity extends EnergyProviderBlockEnti
     }
 
     @Override
-    protected void handlePropagatedAction(Action.PropagatedAction action) {
+    protected final void handlePropagatedAction(Action.PropagatedAction action) {
         super.handlePropagatedAction(action);
         handlePropagatedActionWithGenerator(action);
     }
 
     @Override
+    @ApiStatus.OverrideOnly
     public abstract long getDisplayEnergy();
 }
\ No newline at end of file
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/energy/Action.java b/src/main/java/com/thebrokenrail/energonrelics/api/energy/Action.java
index 1101c7b..87186fa 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/energy/Action.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/energy/Action.java
@@ -4,6 +4,7 @@ import net.minecraft.block.BlockState;
 import net.minecraft.state.property.Property;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Action That Can Be Performed With Energy
@@ -84,6 +85,7 @@ public class Action {
     /**
      * Simple Implementation Of A Propagated Action
      */
+    @ApiStatus.Internal
     public static class PropagatedActionImpl implements PropagatedAction {
         private final Action action;
         private final World world;
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTickable.java b/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTickable.java
index af50af2..b90ef77 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTickable.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTickable.java
@@ -1,5 +1,7 @@
 package com.thebrokenrail.energonrelics.api.energy.tick;
 
+import org.jetbrains.annotations.ApiStatus;
+
 import java.util.List;
 
 /**
@@ -10,14 +12,17 @@ public interface EnergyTickable {
      * Start Tick
      * @return Other Objects To Tick
      */
+    @ApiStatus.OverrideOnly
     List<EnergyTickable> startTick();
     /**
      * Logic Tick
      */
+    @ApiStatus.OverrideOnly
     void logicTick();
     /**
      * Get ID
      * @return ID
      */
+    @ApiStatus.OverrideOnly
     String getID();
 }
diff --git a/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTicker.java b/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTicker.java
index b0e4c16..cb9c185 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTicker.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/api/energy/tick/EnergyTicker.java
@@ -4,6 +4,7 @@ import com.thebrokenrail.energonrelics.EnergonRelics;
 import com.thebrokenrail.energonrelics.component.NetworkComponent;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.world.World;
+import org.jetbrains.annotations.ApiStatus;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -13,6 +14,7 @@ import java.util.Objects;
 /**
  * Energy Ticker
  */
+@ApiStatus.Internal
 public class EnergyTicker {
     private static final List<EnergyTickable> scheduled = new ArrayList<>();
 
diff --git a/src/main/java/com/thebrokenrail/energonrelics/component/NetworkComponent.java b/src/main/java/com/thebrokenrail/energonrelics/component/NetworkComponent.java
index 9e2ceef..af66e91 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/component/NetworkComponent.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/component/NetworkComponent.java
@@ -184,10 +184,11 @@ public class NetworkComponent extends PersistentState {
     public List<EnergyProviderBlockEntity> getSources(World world, int id) {
         world.getProfiler().push("getSources");
 
-        List<EnergyProviderBlockEntity> result;
+        List<EnergyProviderBlockEntity> result = getSourcesFromCache(world, id);
 
-        List<EnergyProviderBlockEntity> cacheResult = getSourcesFromCache(world, id);
-        result = Objects.requireNonNullElseGet(cacheResult, () -> getSourcesFromCacheMiss(world, id));
+        if (result == null) {
+            result = getSourcesFromCacheMiss(world, id);
+        }
 
         world.getProfiler().pop();
         return result;