ununderstanding your electric charges to analyze your month to month usage of kilowatt hours and the cost per kilowatt hour you need to do few simple calculations first on your rent bill calculate the period to period usage by subtracting the beginning reading from the ending reading next divide the cost charged for electric by the number of kilowatt hours used this will give you the cost per kw hour variables impacting usage can include the number of degree days per period and the number of days in the measurement period as well as if you are away and not doing your regular activities in your apartment also it is important to note that the beginning and ending date for the meter reading do not correspond to the calendar month for which you are being billed see the attachment which shows the end date for each measurement period and the total degree days for each period beginning with the period ending october 16 2008 through janaury 20 2009 note not all measurement periods have the same number of days attachment size degree days by dayxls 25 kb rent lease maintenance energy
