Why Electricity Prices Differ So Much by State
Electricity costs several times more per kWh in some states than others. EIA data shows how fuel mix, grid costs, regulation and climate drive the gap.
Updated with EIA data for August 2026
In August 2026, the average residential electricity rate in North Carolina was 14.95¢ per kilowatt-hour (kWh), 18% lower than the US average of 18.16¢. That makes North Carolina the 38th most expensive of the 50 states and DC. Prices rose 2.5% from August 2025 (14.59¢).
| Year | Avg rate | Avg monthly bill | Avg monthly use |
|---|---|---|---|
| 2026 (8 mo) | 14.94¢ | $164 | 1,096 kWh |
| 2025 | 14.00¢ | $146 | 1,044 kWh |
| 2024 | 14.13¢ | $143 | 1,015 kWh |
| 2023 | 12.93¢ | $128 | 989 kWh |
| 2022 | 11.62¢ | $124 | 1,072 kWh |
| 2021 | 11.32¢ | $120 | 1,063 kWh |
| 2020 | 11.38¢ | $118 | 1,041 kWh |
| 2019 | 11.42¢ | $123 | 1,079 kWh |
| 2018 | 11.09¢ | $125 | 1,129 kWh |
| 2017 | 10.94¢ | $114 | 1,042 kWh |
Rates are weighted by kWh sold. Bills and usage are averages per residential customer.
| Sector | Rate | A year earlier |
|---|---|---|
| Residential | 14.95¢ | 14.59¢ |
| Commercial | 10.73¢ | 10.02¢ |
| Industrial | 8.23¢ | 7.80¢ |
| Transportation | 10.76¢ | 9.56¢ |
| All sectors | 12.34¢ | 11.70¢ |
At North Carolina's 12-month average residential rate of 14.79¢ per kWh, here is the energy cost for common monthly usage levels, next to the US average. Fixed customer charges, taxes and fees vary by utility and are not included.
| Monthly use | North Carolina | US average |
|---|---|---|
| 250 kWh | $36.98 | $45.40 |
| 500 kWh | $73.95 | $90.80 |
| 750 kWh | $110.93 | $136.20 |
| 1,000 kWh | $147.90 | $181.60 |
| 1,500 kWh | $221.85 | $272.40 |
| 2,000 kWh | $295.80 | $363.20 |
Over the last 12 months, the average residential rate ranged from 13.45¢ (December 2025) to 16.25¢ (April 2026), and homes used the most electricity in January 2026 (1,351 kWh on average).
| Month | Avg rate | Avg bill | Avg use |
|---|---|---|---|
| August 2026 | 14.95¢ | $196 | 1,310 kWh |
| July 2026 | 15.16¢ | $203 | 1,338 kWh |
| June 2026 | 14.74¢ | $166 | 1,125 kWh |
| May 2026 | 15.09¢ | $130 | 864 kWh |
| April 2026 | 16.25¢ | $123 | 756 kWh |
| March 2026 | 16.00¢ | $134 | 835 kWh |
| February 2026 | 14.64¢ | $173 | 1,185 kWh |
| January 2026 | 13.68¢ | $185 | 1,351 kWh |
| December 2025 | 13.45¢ | $161 | 1,200 kWh |
| November 2025 | 14.61¢ | $124 | 849 kWh |
| October 2025 | 15.01¢ | $119 | 793 kWh |
| September 2025 | 15.08¢ | $139 | 920 kWh |
North Carolina's 12-month average rate is higher than 1 of its 4 neighbors.
| State | 12-mo avg rate | Avg monthly bill | Rank |
|---|---|---|---|
| North Carolina | 14.79¢ | $154 | #35 |
| Georgia | 15.17¢ | $164 | #32 |
| South Carolina | 15.77¢ | $169 | #27 |
| Tennessee | 13.61¢ | $161 | #44 |
| Virginia | 16.64¢ | $177 | #22 |
| Appliance | Typical wattage | Cost per hour |
|---|---|---|
| Space heater | 750–1,500 W | $0.11–$0.22 |
| Refrigerator | 725 W | $0.11 |
| Clothes dryer | 1,800–5,000 W | $0.27–$0.74 |
| Washing machine | 350–500 W | $0.05–$0.07 |
| Dishwasher | 1,200–2,400 W | $0.18–$0.35 |
| Electric water heater | 4,500–5,500 W | $0.67–$0.81 |
| Microwave | 750–1,100 W | $0.11–$0.16 |
| Window fan | 55–250 W | $0.01–$0.04 |
All appliance costs · Appliance cost calculator for North Carolina
In North Carolina, most households buy electricity from their local utility at regulated rates, so shopping for a different supplier is usually not an option. The best ways to lower your bill are to reduce usage and check whether your utility offers time-of-use or other rate plans.
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The average residential electricity rate in North Carolina was 14.95¢ per kWh in August 2026. Over the past 12 months it averaged 14.79¢ per kWh.
The average residential customer in North Carolina paid $196 for 1,310 kWh in August 2026, based on EIA revenue, sales and customer counts.
In August 2026, North Carolina's average rate of 14.95¢ was 18% lower than the US average of 18.16¢.
Generally no. Most North Carolina households buy electricity from their local utility at regulated rates.
Source: U.S. Energy Information Administration (EIA), Form EIA-861M monthly sales and revenue data. Latest month: August 2026. Recent months may be preliminary and revised by EIA. See how we calculate.