When analyzing a customer's electric bill to determine appropriate PV system size, which factor is most important to identify?

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ACustomer account number
BPayment methods accepted by the utility
CUtility company name and logo
DHistorical kWh usage patterns

✓ Correct answer: D. Historical kWh usage patterns Historical usage patterns provide the foundation for properly sizing a PV system. Without knowing how much electricity the customer uses throughout the year, it's impossible to accurately calculate the appropriate system size that will meet their needs.

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When analyzing a customer's electric bill to determine appropriate PV system size, which factor is most important to identify?

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