If a customer accidentally uses the wrong payment method for their Salt River Project Electric bill, there are several steps they can take to address the situation. First, it is important to verify the transaction by checking the payment confirmation or receipts to ensure that the incorrect method was indeed used. After confirming the error, the customer should review the available options for correcting the payment. Salt River Project Electric may provide avenues to update payment information or change the payment method for future transactions. It is advisable to explore the frequently asked questions section on their official website, as it often contains details related to payment issues and how to resolve them. For specific assistance regarding a particular transaction, one may want to locate the customer service contact information provided on the website for direct support. This way, a representative can guide the customer through the necessary steps to rectify the error and ensure that billing remains accurate.