DTE Energy typically strives to respond to customer inquiries promptly and efficiently. While exact response times can vary based on the nature and complexity of the inquiry, it is common for customer service teams to aim for responses within one to three business days for most types of inquiries. However, during periods of high demand, such as after severe weather events or during billing cycles, response times may be longer. Customers can also take advantage of various resources available on the DTE Energy website, which offers information on common queries, account management, and energy-saving tips. For real-time assistance, customers may also find live chat features or other support options helpful. It is always advisable for customers to check the current web page for the most accurate and up-to-date information regarding response times and available support channels.