diff --git a/pkg/collector/metric/node_metric.go b/pkg/collector/metric/node_metric.go
index cdd7782ca7..56dc425eb9 100644
--- a/pkg/collector/metric/node_metric.go
+++ b/pkg/collector/metric/node_metric.go
@@ -399,7 +399,10 @@ func (ne *NodeMetrics) UpdateDynEnergy() {
 func (ne *NodeMetrics) CalcDynEnergy(component, id string) {
 	total := ne.getAbsoluteEnergyStatCollection(component).Stat[id].Delta
 	klog.V(5).Infof("Energy stat: %v (%s)", ne.getIdleEnergyStatCollection(component).Stat, id)
-	idle := ne.getIdleEnergyStatCollection(component).Stat[id].Delta
+	idle := uint64(0)
+	if idleStat, found := ne.getIdleEnergyStatCollection(component).Stat[id]; found {
+		idle = idleStat.Delta
+	}
 	dyn := calcDynEnergy(total, idle)
 	ne.getDynEnergyStatCollection(component).SetDeltaStat(id, dyn)
 }