diff --git a/cm_heatsink_emulator.c b/cm_heatsink_emulator.c
index aca4f8c..d3d16ab 100644
--- a/cm_heatsink_emulator.c
+++ b/cm_heatsink_emulator.c
@@ -79,6 +79,15 @@ int cm_heatsinkEmul_setFan(cm_heatsinkEmul_t *inst, float fan_speed){
 	return 0;
 }
 
+int cm_heatsinkEmul_setPower(cm_heatsinkEmul_t *inst, float power){
+
+	if(!isStructOk(inst)) return 1;
+	inst->power = power;
+
+	return 0;
+
+}
+
 
 int cm_heatsinkEmul_init(cm_heatsinkEmul_t *inst, cm_heatsink_thermalElement_t *elements, int elements_Count, float C_th, float power, float ambientTemp){
 
diff --git a/cm_heatsink_emulator.h b/cm_heatsink_emulator.h
index 538303d..50b1ba5 100644
--- a/cm_heatsink_emulator.h
+++ b/cm_heatsink_emulator.h
@@ -46,6 +46,7 @@ typedef struct {
 
 int cm_heatsinkEmul_iterate(cm_heatsinkEmul_t *inst, float dtime);
 float cm_heatsinkEmul_getElementTemp(cm_heatsinkEmul_t *inst, int element_idx);
+int cm_heatsinkEmul_setPower(cm_heatsinkEmul_t *inst, float power);
 int cm_heatsinkEmul_init(cm_heatsinkEmul_t *inst, cm_heatsink_thermalElement_t *elements, int elements_Count, float C_th, float power, float ambientTemp);
 
 #endif /* CM_HEATSINK_EMULATOR_H_ */