The average delivery time for new service activation with Reliant Energy can vary based on several factors, such as the type of service requested and the specific location within Texas. Generally, customers can expect activation to occur within a few days after placing their order, especially if all required documentation and information are provided accurately and promptly. However, there might be instances where activation can take longer due to specific circumstances, such as weather conditions or local infrastructure requirements. It is always a good idea to check directly on the current webpage or account portal for any specific updates or to access more detailed information about the activation process. Additionally, some plans might offer expedited activation options, so it can be beneficial to explore those possibilities as well.