Associated Press: Your utility is becoming more efficient, power is becoming greener and you’re taking steps to conserve energy in your home. So, the rate on your electric bill should go down, right? No, it’s going higher. And as shocking as that may sound, consumer and environmental groups as well as state regulators are all for it. It was environmental groups that announced a deal Friday with Charlotte-based Duke Energy Co. that will raise rates for residential customers in North …