diff --git a/simulation_server/simulation/simulation.py b/simulation_server/simulation/simulation.py
index bb68f4bf19ee76840d6c8afd93294a785c64db94..503912736f944964c22bcf494cf52a982eb4c11e 100644
--- a/simulation_server/simulation/simulation.py
+++ b/simulation_server/simulation/simulation.py
@@ -223,8 +223,9 @@ def run_simulation(sim_config: ServerSimConfig):
                     "facility_flowrate": cdu_data['V_flow_prim_GPM'],
                 }
 
-            cep_data = fmu_data['simulator'][1]['centralEnergyPlant'][1]
-            cooling_sim_cep = [CoolingSimCEP.model_validate({
+            if 'centralEnergyPlant' in fmu_data['simulator'][1]:
+                cep_data = fmu_data['simulator'][1]['centralEnergyPlant'][1]
+                cooling_sim_cep = [CoolingSimCEP.model_validate({
                 "timestamp": timestamp,
                 "htw_flowrate": cep_data['hotWaterLoop'][1]['summary']['V_flow_htw_GPM'],
                 "ctw_flowrate": cep_data['coolingTowerLoop'][1]['summary']['V_flow_ctw_GPM'],
@@ -247,7 +248,7 @@ def run_simulation(sim_config: ServerSimConfig):
                 "ncts_staged": cep_data['coolingTowerLoop'][1]['summary']['n_CTs'],
                 "facility_return_temp": cep_data['hotWaterLoop'][1]['summary']['T_fac_htw_r_C'],
                 "cdu_loop_bypass_flowrate": fmu_data['simulator'][1]['datacenter'][1]['summary']['V_flow_bypass_GPM'],
-            })]
+                })]
 
         for cdu_index, cdu_data in cooling_sim_cdu_map.items():
             cdu_name, row, col = cdu_info(cdu_index)