Webutah has the lowest average utility bills at $520. 88 per month. On average, electric utility bills are the highest, with an average cost of $131. 35. — your electric bill could be even more expensive. Duke energy is looking to raise its rates again, according to wral. The electric company asked the. Webin morrisville, nc, the average monthly electric bill for residential customers is $195/month, which is calculated by multiplying the average monthly consumption by the average electric rate: 1,305 kwh * 15 ¢/kwh. Webmorrisville ranks 5th in the state for the most expensive bills, with monthly household bills averaging $2,674. That’s about 23% higher than the national average,.
