Weather changes year to year and month to month. About half of the electricity in an all electric home is used for heating and cooling which is directly affected by the weather. In the summer, weather may account for as much as 70% of the bill. So, when we get a month that is hotter than normal, expect the bill to be higher than normal.
When comparing bills month to month, or year to year, keep the weather in mind. Review the APS Weather History chart for Phoenix to evaluate the effect of weather on your electric bill.
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