Electricity rates in 28138 — Rockwell, NC
Homes in ZIP 28138 pay about 14.2¢ per kWh (Duke Energy Carolinas, LLC, Jan–Aug 2026). The North Carolina average is 14.9¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 14.2¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 28138 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 28138
| Utility | Home price | Avg. bill | Customers in NC |
|---|---|---|---|
| Duke Energy Carolinas, LLC Investor Owned | 14.2¢ Jan–Aug 2026 | $137 | 1,919,372 |
| EnergyUnited Elec Member Corp Cooperative · serves Rowan County | 11.5¢ 2024 | $137 | 121,995 |
| Union Electric Membership Corp (NC) Cooperative · serves Rowan County | 13.4¢ 2024 | $164 | 84,602 |
| Town of Landis (NC) Municipal · serves Rowan County | 10.2¢ 2024 | $113 | 3,654 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Rowan County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
North Carolina price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the South Atlantic region, which includes Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 28138
How much does electricity cost in 28138?
About 14.2¢ per kWh for homes (Duke Energy Carolinas, LLC, Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $128.
Who is the electric utility for 28138?
Duke Energy Carolinas, LLC, with about 1,919,372 residential customers in North Carolina; 3 other utilities also serve parts of the area.
Is electricity in NC getting more expensive?
The North Carolina residential average was 14.9¢ per kWh in August 2026, up 2.5% from a year earlier; the U.S. average was 18.2¢.