diff --git a/inc/power.inc.sh b/inc/power.inc.sh
index b0170bad..2ac079e4 100644
--- a/inc/power.inc.sh
+++ b/inc/power.inc.sh
@@ -18,11 +18,11 @@ AVERAGEPOWER(){
 		total_amp=0
 		total_watt=0
 		while IFS=$'\t' read date amp watt ;do
-			if [ "${amp}" != "" ] && [ "${amp}" != "NULL" ]; then
+			if [ "${amp}" != "" ] && [ "${amp}" != "0" ] && [ "${amp}" != "NULL" ] && [[ "${amp}" =~ ^[0-9]+(\.[0-9]+)?$ ]]; then
 				total_amp=$(bc <<< "scale=2; ${total_amp}+${amp}")
 				((logsfound_amp++))
 			fi
-			if [ "${watt}" != "" ] && [ "${watt}" != "NULL" ]; then
+			if [ "${watt}" != "" ] && [ "${watt}" != "0" ] && [ "${watt}" != "NULL" ] && [[ "${watt}" =~ ^[0-9]+(\.[0-9]+)?$ ]]; then
 				total_watt=$(bc <<< "scale=2; ${total_watt}+${watt}")
 				((logsfound_watt++))
 			fi