Take Charge! Challenge is taking off Even the big wigs are requesting 100$ energy audits. READ MORE. It seemed Lawrence had a sure victory but I guess this isnโ€™t basketball . Iโ€™m glad to see the word starting to get out about Efficiency Kansas. More information about the auditing process will be available at the event. For more information about the Take Charge! Challenge, visit http://www.takechargekansas.org.