Why Leaky Ductwork Can Add 30 % (or More) to a Utah Power Bill Rocky Mountain Power’s residential rate is 10.96 ¢ / kWh today and is already approved to jump to 12.89 ¢ / kWh on February 23 , 2025.See the rate filing. What Is Duct Leakage? The U.S. Department of Energy estimates that […]


