diff --git a/src/sim/power/PowerModel.py b/src/sim/power/PowerModel.py
index 3425690..e3c0fb9 100644
--- a/src/sim/power/PowerModel.py
+++ b/src/sim/power/PowerModel.py
@@ -63,3 +63,6 @@
 
     # Type of power model
     pm_type = Param.PMType("All", "Type of power model")
+
+    # Ambient temperature to be used when no thermal model is present
+    ambient_temp = Param.Float(25.0, "Ambient temperature")
diff --git a/src/sim/power/power_model.cc b/src/sim/power/power_model.cc
index e8c522c..6e065d6 100644
--- a/src/sim/power/power_model.cc
+++ b/src/sim/power/power_model.cc
@@ -57,6 +57,12 @@
     panic_if(subsystem == NULL,
              "Subsystem is NULL! This is not acceptable for a PowerModel!\n");
     subsystem->registerPowerProducer(this);
+    // The temperature passed here will be overwritten, if there is
+    // a thermal model present
+    for (auto & pms: states_pm){
+        pms->setTemperature(p->ambient_temp);
+    }
+
 }
 
 void