DULUTH, MN (KDAL) - The Cold Weather Rule took effect on October 15th in Minnesota. It is designed to help protect residents from service disconnection during the winter months. Minnesota Power reminds residents that under the rule you are required to contact the company to set up a plan to ensure that power shut-off protection. Minnesota Power customers recently received detailed information about the Cold Weather Rule with their energy bill. For more, contact their customer service line at 218-722-2625.