diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 208048c63d..97576c8c77 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -2057,6 +2057,7 @@ public class Blocks{
             consumesPower = outputsPower = true;
             consumes.powerBuffered(1000f);
             range = 10;
+            researchCostMultiplier = 0.8f;
         }};
 
         //TODO requirements
diff --git a/core/src/mindustry/world/blocks/power/ThermalGenerator.java b/core/src/mindustry/world/blocks/power/ThermalGenerator.java
index cd58f569d6..5afc05b8c8 100644
--- a/core/src/mindustry/world/blocks/power/ThermalGenerator.java
+++ b/core/src/mindustry/world/blocks/power/ThermalGenerator.java
@@ -30,6 +30,7 @@ public class ThermalGenerator extends PowerGenerator{
 
     public ThermalGenerator(String name){
         super(name);
+        noUpdateDisabled = true;
     }
 
     @Override