Image courtesy Octopus Energy Octopus Energy has debuted OctopusFlex, a new, flexible time-of-use plan that rewards Texans for using electricity when the grid is quiet, clean, and cheap. By using smart devices like EV chargers and smart thermostats, OctopusFlex is meant to automatically optimize energy use during the most cost-effective and climate-friendly hours without disrupting daily routines. During the hours…