diff --git a/custom-metrics/power-usage.sh b/custom-metrics/power-usage.sh
index 6ef37f1..86120d6 100755
--- a/custom-metrics/power-usage.sh
+++ b/custom-metrics/power-usage.sh
@@ -49,23 +49,27 @@ for i in {1..6}; do
     if [[ "$OS_TYPE" == "macos" ]]; then
         # Use powermetrics for macOS (requires sudo)
         # Sample for 1 second and extract CPU power
-        power_data=$(sudo powermetrics -n 1 -i 1000 --samplers cpu_power 2>/dev/null | grep "CPU Power" | head -1)
+        power_data=$(sudo powermetrics -n 1 -i 1000 --samplers cpu_power 2>/dev/null | grep -i "power" | head -1)
         
         if [[ -n "$power_data" ]]; then
-            # Extract power value (format: "CPU Power: 1234 mW")
-            power_mw=$(echo "$power_data" | grep -o '[0-9]\+ mW' | grep -o '[0-9]\+')
+            # Try to extract power value in watts (format: "Intel energy model derived package power (CPUs+GT+SA): 4.55W")
+            power_watts=$(echo "$power_data" | grep -oE '[0-9]+\.[0-9]+W' | grep -oE '[0-9]+\.[0-9]+')
             
-            if [[ -n "$power_mw" ]]; then
-                # Convert milliwatts to watts
-                power_watts=$(echo "scale=6; $power_mw / 1000" | bc 2>/dev/null)
-                
-                if [[ $? -eq 0 ]]; then
-                    echo "$timestamp $power_watts" >> "$LOGFILE"
-                    LogInformation "Power usage recorded: ${power_watts}W (iteration $i/6)"
-                else
-                    LogError "Failed to calculate power in watts"
+            # If watts format not found, try milliwatts format (format: "CPU Power: 1234 mW")
+            if [[ -z "$power_watts" ]]; then
+                power_mw=$(echo "$power_data" | grep -oE '[0-9]+ mW' | grep -oE '[0-9]+')
+                if [[ -n "$power_mw" ]]; then
+                    # Convert milliwatts to watts
+                    power_watts=$(echo "scale=6; $power_mw / 1000" | bc 2>/dev/null)
                 fi
             fi
+            
+            if [[ -n "$power_watts" && $? -eq 0 ]]; then
+                echo "$timestamp $power_watts" >> "$LOGFILE"
+                LogInformation "Power usage recorded: ${power_watts}W (iteration $i/6)"
+            else
+                LogError "Failed to extract or calculate power value"
+            fi
         else
             LogWarning "Could not retrieve power data from powermetrics"
         fi