diff --git a/src/aeros_simulation/simulation_save_service.py b/src/aeros_simulation/simulation_save_service.py
index 3a4c6ac..fbab3d4 100644
--- a/src/aeros_simulation/simulation_save_service.py
+++ b/src/aeros_simulation/simulation_save_service.py
@@ -271,7 +271,7 @@ async def calculate_plant_eaf(
     # Calculate manual MO hours (full outage) and MD hours (derating)
     manual_mo_outage_hours = 0.0
     manual_mo_equiv_hours = 0.0
-    max_capacity = 630
+    max_capacity = 550
     
     if manual_mo:
         for mo in manual_mo:
diff --git a/src/aeros_simulation/utils.py b/src/aeros_simulation/utils.py
index 79ab6ed..1b82a7d 100644
--- a/src/aeros_simulation/utils.py
+++ b/src/aeros_simulation/utils.py
@@ -46,7 +46,7 @@ def calculate_eaf(
 
         try:
                 # Calculate lost production
-                max_capacity = 630
+                max_capacity = 550
                 # Calculate total equivalent derate and outage hours
                 edh = calculate_equivalent_derate_hours(plot_data, max_flow_rate=max_capacity)