Charleston County, South Carolina Electricity Rates & Statistics
Electricity Rates, Plans & Statistics
- The average electricity bill in Charleston County, SC is $169.38
- The average electricity rate in Charleston County, SC is 15.27¢
Electric Bills and Electric Rates in Charleston County, SC
The average residential electric bill in Charleston County, SC is $169.38 per month. Charleston County, SC is the 29th most expensive county in South Carolina for electricity.
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Charleston County, South Carolina Electricity Overview
Charleston County released 1,900,484,952.97 kilograms of CO2 gases due to electricity consumption, which ranks them as the 168th highest polluting county out of 3221 counties in the United States.
By megawatt hours sold, the largest electricity provider in Charleston County is Dominion Energy.
Charleston County consumers experience outages lasting on average 112.07 minutes per incident, with approximately 1.16 outages a year.
In the most recent 12 months, Charleston County experienced a 8.84% rise in CO2 emissions per capita.
With a South Carolina average residential electricity bill of $155.04, Charleston County residents pay about 9.25% more than other consumers per month for electricity.
Charleston County has a population of 419,279 citizens.
ENERGY CONSUMPTION
Total Consumption
6,755,856 MWh
Consumption per Capita
16.11 MWh
EMISSIONS
CO2 Emissions
1,900,484,953 kg
CO2 Emissions per Capita
4,532.75 kg
Recent Electricity Rates and Production Changes in Charleston
To see the most recent electricity rates and production changes for cities in Charleston County, select the city below. If you would like to get access to monthly historical data, please contact us directly by submitting a request.
Rates and Production Categories
Charleston Electricity Pricing Data
Average Residential Bundled Electricity Rate for November, 2024
16.16¢ per kWh
- 1.79% lower than last month
- 13.78% higher than November last year
- 1.42% higher than the South Carolina average
- 5.12% lower than the US average
- 168th in the state out of 475 cities
- The state rank has increased by 23 since last month
- The state rank has increased by 157 since November last year
- 16,292nd in the US out of 31,800 cities
- The national rank has increased by 810 since last month
- The national rank has dropped by 2,815 since November last year
12 Month Rolling Average Residential Bundled Rate
14.61¢ per kWh
- 1.13% higher than last month
- 0.02% lower than November last year
- 1.32% higher than the South Carolina average
- 11.38% lower than the US average
- 274th in the state out of 475 cities
- The state rank has increased by 4 since last month
- The state rank has dropped by 26 since November last year
- 13,241st in the US out of 31,800 cities
- The national rank has dropped by 245 since last month
- The national rank has increased by 1,553 since November last year
Average Residential Bundled Electricity Bill for November, 2024
$128.61 per month
- 4.32% lower than last month
- 2.42% higher than November last year
- 3.59% higher than the South Carolina average
- 8.77% higher than the US average
- 375th in the state out of 475 cities
- The state rank has dropped by 94 since last month
- The state rank has dropped by 16 since November last year
- 20,767th in the US out of 31,800 cities
- The national rank has increased by 1,883 since last month
- The national rank has increased by 335 since November last year
12 Month Rolling Average Residential Bundled Bill
$153.06 per month
- 0.17% higher than last month
- 1.78% higher than November last year
- 0.88% higher than the South Carolina average
- 7.61% higher than the US average
- 286th in the state out of 475 cities
- The state rank has increased by 6 since last month
- The state rank has increased by 32 since November last year
- 20,453rd in the US out of 31,800 cities
- The national rank has dropped by 107 since last month
- The national rank has increased by 2,056 since November last year
Charleston, SC Electricity Overview

Charleston's inhabitants are billed an average residential electricity rate of 14.61 cents per kilowatt hour, which is 1.02% more than South Carolina's average price of 14.47 cents. This makes the city 274th best for average electricity rate out of 475 cities in South Carolina. Dominion Energy is the largest provider in the city based on total residential customers. Customers in Charleston experience 1.16 electrical outages per year with outages lasting an average of 112.07 minutes.
Charleston emits 4,532.75 kilograms of CO2 pollution per citizen in the city from electricity consumption, which makes it the 200th highest polluting city out of 475 cities in South Carolina based on emissions per capita. While not as telling of a statistic, the total emissions of the city from electricity use is 696,877,873.98 kilograms of CO2 emissions, which ranks as the largest emissions amount in the state. All of the electricity consumed in Charleston has to be sourced from surrounding cities or rural areas, because there are no electricity production sources within its borders.
Average Residential Electricity Bills & Rates in Charleston
Charleston residential electric rates are highest in December and the highest average bill is in January.
Historical Electricity Rates:
Electric Companies With Service in Charleston, South Carolina
| Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | City Production (MWh) | Residential Sales (MWh) | Residential Revenues ($) |
|---|---|---|---|---|---|---|
| Berkeley Electric Cooperative | BUNDLED | 15.23 | 180.8 | 1,633,940 | 248,820,000 | |
| Dominion Energy | BUNDLED | 15.20 | 162.17 | 23,323 | 8,956,516 | 1,361,389,000 |
| Duke Energy Progress | BUNDLED | 14.47 | 171.72 | 2,048,146.4 | 296,390,728 |
Zips with electric coverage in Charleston, South Carolina include: 29445, 29464, 29414, 29412, 29407, 29405, 29455, 29403, 29492, 29401, 29450 and 3 other zip code(s).
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North Charleston, SC Electricity Overview

North Charleston's inhabitants are billed an average residential electricity rate of 14.48 cents per kilowatt hour, which is 0.10% more than South Carolina's average price of 14.47 cents. This makes the city 256th best for average electricity rate out of 475 cities in South Carolina. Dominion Energy has an estimated 5,117 total residential customers, more than any other provider who operates in the city. Consumers in the city are faced with 1.32 electrical outages a year, with outages lasting about 89.9 minutes on average. The national averages for outages and duration are 1.44 outages at 123.49 minutes each.
North Charleston emits 4,532.75 kilograms of CO2 pollution per citizen in the city from electricity consumption, which makes it the highest polluting city out of 475 cities in South Carolina based on emissions per capita. With total emissions of 537,601,733.84 kilograms, the city ranks 3rd worst in the state for total pollution from electricity consumption, however, it could be argued that emissions per capita is a better measurement of a city's pollution levels. The city has one electricity producing plant.
Average Residential Electricity Bills & Rates in North Charleston
North Charleston residential electric rates are highest in December and the highest average bill is in January.
Historical Electricity Rates:
Electric Companies With Service in North Charleston, South Carolina
| Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | City Production (MWh) | Residential Sales (MWh) | Residential Revenues ($) |
|---|---|---|---|---|---|---|
| Dominion Energy | BUNDLED | 15.20 | 162.17 | 8,956,516 | 1,361,389,000 |
Zips with electric coverage in North Charleston, South Carolina include: 29485, 29483, 29414, 29406, 29456, 29405, 29418, 29420, 29410, 29404, 29423
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Mount Pleasant, SC Electricity Overview

Mount Pleasant's inhabitants are billed an average residential electricity rate of 14.64 cents per kilowatt hour, which is 1.24% more than South Carolina's average price of 14.47 cents. This makes the city 281st best for average electricity rate out of 475 cities in South Carolina. Dominion Energy is the largest provider in the city based on total residential customers. Customers in Mount Pleasant experience 1.21 electrical outages per year with outages lasting an average of 93.4 minutes.
Mount Pleasant emits 4,532.75 kilograms of CO2 pollution per citizen in the city from electricity consumption, which makes it the 200th highest polluting city out of 475 cities in South Carolina based on emissions per capita. While not as telling of a statistic, the total emissions of the city from electricity use is 428,571,076.31 kilograms of CO2 emissions, which ranks as the 4th largest emissions amount in the state. All of the electricity consumed in Mount Pleasant has to be sourced from surrounding cities or rural areas, because there are no electricity production sources within its borders.
Average Residential Electricity Bills & Rates in Mount Pleasant
Mount Pleasant residential electric rates are highest in March and the highest average bill is in January.
Historical Electricity Rates:
Electric Companies With Service in Mount Pleasant, South Carolina
| Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | City Production (MWh) | Residential Sales (MWh) | Residential Revenues ($) |
|---|---|---|---|---|---|---|
| Berkeley Electric Cooperative | BUNDLED | 15.23 | 180.8 | 1,633,940 | 248,820,000 | |
| Dominion Energy | BUNDLED | 15.20 | 162.17 | 8,956,516 | 1,361,389,000 |
Zips with electric coverage in Mount Pleasant, South Carolina include: 29464, 29466, 29429
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FAQ
Which electricity company is the largest supplier in Charleston County, South Carolina?
The largest electricity supplier in Charleston County, South Carolina by megawatt hours sold is Dominion Energy.
How many electric companies offer service in Charleston County, South Carolina?
There are 3 electricity companies offering service in Charleston County, South Carolina.
Which electricity companies offer service in Charleston County, South Carolina?
| County Customers Rank | Provider | Est. County Customers |
|---|---|---|
| 1 | Dominion Energy | 53,600 |
| 2 | Berkeley Electric Cooperative | 37,404 |
| 3 | Duke Energy Progress | 4,367 |