Charleston County, South Carolina Electricity Rates & Statistics
Electricity Rates, Plans & Statistics
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Charleston County, South Carolina Electricity Overview
Berkeley Electric Cooperative is the largest supplier in Charleston County when calculated by megawatt hours sold.
While the national average residential electric rate is 15.90 cents per kilowatt hour, Charleston County's average price is 8.50% lower than at 14.54 cents per kilowatt hour.
When measuring CO2 emissions per capita, Charleston County saw a 2.70% decline in the last year.
Electric production facilities in Charleston County have achieved a 30.35% drop in the usage of non-renewable fuels for electricity generation within the last year.
Charleston County is ranked as the 16th highest producer of electricity in the state out of 46 counties for total electricity generation, generating 302,872 megawatt hours.
Over the last 12 months Charleston County has experienced a 31.25% decrease in coal usage, dropping from a previous total of 183,830.8 megawatt hours produced from burning coal to 126,377.77 megawatt hours.
ENERGY CONSUMPTION
Total Consumption
6,508,928 MWh
Consumption per Capita
15.52 MWh
ENERGY PRODUCTION
Total Production
302,872 MWh
Production from Renewable Energy
173,688 MWh
Production from Non-Renewable Energy
129,184 MWh
Production per Capita
0.72 MWh
EMISSIONS
CO2 Emissions
1,808,905,949 kg
CO2 Emissions per Capita
4,314.33 kg
Charleston, SC Electricity Overview

Charleston's inhabitants are billed an average residential electricity rate of 14.00 cents per kilowatt hour, which is 1.28% less than South Carolina's average price of 14.18 cents. Dominion Energy is the largest provider in the city based on total residential customers. Customers in Charleston experience 1.12 electrical outages per year with outages lasting an average of 125.36 minutes.
Charleston emits 4,104.55 kilograms of CO2 pollution per citizen in the city from electricity consumption, which makes it the 2nd 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 631,045,765.53 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 January and the highest average bill is in May.
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 | 13.83 | 158.37 | 1,479,925 | 204,732,000 | |
Dominion Energy | BUNDLED | 15.13 | 152.53 | 29,838 | 8,193,399 | 1,239,725,000 |
Santee Cooper | BUNDLED | 11.39 | 106.19 | 1,949,565.87 | 221,958,942 |
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 14.93 cents per kilowatt hour, which is 5.28% more than South Carolina's average price of 14.18 cents. This makes the city 347th best for average electricity rate out of 475 cities in South Carolina. The city produces about 2.55 megawatt hours per person a year from electricity generating plants located in its borders, which ranks them as the 4th highest generating city in South Carolina out of 475 cities. Dominion Energy is the largest provider in the city based on megawatt hours sold.
Around 574,770,505.56 kilograms of CO2 emissions are released in North Charleston because of electricity consumption each year. This total also equates to a ranking of highest in the state for pollution per capita from electricity use. Around 53.56% of electricity in North Charleston comes from generation using Wood/Wood Waste Solids. Coal and Black Liquour make up the next highest amounts of fuel used at 41.73% and 3.79% of total electricity production, respectively. North Charleston has one electricity plant within its borders.
Average Residential Electricity Bills & Rates in North Charleston
North Charleston residential electric rates are highest in January and the highest average bill is in February.
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 | 15.13 | 152.53 | 8,193,399 | 1,239,725,000 |
Zips with electric coverage in North Charleston, South Carolina include: 29485, 29483, 29414, 29406, 29456, 29405, 29418, 29420, 29410, 29404, 29423
Mount Pleasant, SC Electricity Overview

Mount Pleasant's inhabitants are billed an average residential electricity rate of 14.73 cents per kilowatt hour, which is 3.85% more than South Carolina's average price of 14.18 cents. This makes the city 323rd best for average electricity rate out of 475 cities in South Carolina. Dominion Energy has an estimated 2,920 total residential customers, more than any other provider who operates in the city. Consumers in the city are faced with 1.12 electrical outages a year, with outages lasting about 125.36 minutes on average. The national averages for outages and duration are 1.27 outages at 137.24 minutes each.
Mount Pleasant emits 4,104.55 kilograms of CO2 pollution per citizen in the city from electricity consumption, which makes it the 117th 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 388,085,162.45 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 January and the highest average bill is in August.
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 | 13.83 | 158.37 | 1,479,925 | 204,732,000 | |
Dominion Energy | BUNDLED | 15.13 | 152.53 | 8,193,399 | 1,239,725,000 |
Zips with electric coverage in Mount Pleasant, South Carolina include: 29464, 29466, 29429
Electricity Production in Charleston County, South Carolina
Power Plants in Charleston County, South Carolina
Plant | City/County | State | Primary Fuel Type | Production (MWh) | Emission (kg) | Emissions per MWh | Toxic Chemical Release | Closing Date |
---|---|---|---|---|---|---|---|---|
KapstoneWestRock North Charleston (100.00%) | North Charleston | SC | Wood/Wood Waste Solids | 271,067 | 150,173,014.8 | 554.01 |
Charleston County, South Carolina Details
Releasing 1,808,905,949.45 kilograms of CO2 emissions each year, Charleston County is the 178th highest in the US for total pollution from electricity consumption. This total also equates to a ranking of 12th highest in the state for pollution per capita with an average of 4,314.33 kilograms of emissions per resident. The top fuel source utilized in Charleston County is Wood/Wood Waste Solids, making up 53.56% of the fuel used in the county for electricity generation. Coal and Black Liquour are also primary fuel sources in the county, with 41.73% and 3.79% of total electricity generation being generated from each, respectively. Charleston County has one power producing plant.
Providers In Each City in Charleston County:
- Awendaw, South Carolina:
- Berkeley Electric Cooperative: 40.61%
- Dominion Energy: 59.39%
- Charleston, South Carolina:
- Santee Cooper: 23.77%
- Dominion Energy: 67.38%
- Berkeley Electric Cooperative: 8.85%
- Folly Beach, South Carolina:
- Dominion Energy: 100.00%
- Hollywood, South Carolina:
- Dominion Energy: 95.49%
- Berkeley Electric Cooperative: 4.51%
- Isle of Palms, South Carolina:
- Dominion Energy: 100.00%
- James Island, South Carolina:
- Dominion Energy: 100.00%
- Kiawah Island, South Carolina:
- Berkeley Electric Cooperative: 54.50%
- Dominion Energy: 45.50%
- Lincolnville, South Carolina:
- Dominion Energy: 100.00%
- McClellanville, South Carolina:
- Dominion Energy: 96.50%
- Berkeley Electric Cooperative: 3.50%
- Meggett, South Carolina:
- Dominion Energy: 100.00%
- Mount Pleasant, South Carolina:
- Berkeley Electric Cooperative: 19.47%
- Dominion Energy: 80.53%
- North Charleston, South Carolina:
- Dominion Energy: 100.00%
- Ravenel, South Carolina:
- Dominion Energy: 69.63%
- Berkeley Electric Cooperative: 30.37%
- Rockville, South Carolina:
- Berkeley Electric Cooperative: 50.00%
- Dominion Energy: 50.00%
- Seabrook Island, South Carolina:
- Berkeley Electric Cooperative: 100.00%
- Sullivan's Island, South Carolina:
- Dominion Energy: 100.00%
* City coverage generated based on government data. Always verify you can get service from the provider.
FAQ
Which electricity company is the largest supplier in Charleston County, South Carolina?
The largest electricity supplier in Charleston County, South Carolina by total revenue is Dominion Energy.
How many electric companies offer service in Charleston County, South Carolina?
Charleston County, South Carolina has 2 electricity companies operating in the area.
How many power plants are located within Charleston County, South Carolina?
There is one power plant in Charleston County, South Carolina
What electricity companies offer service in Charleston County, South Carolina?
County Customers Rank | Provider | Est. County Customers |
---|---|---|
1 | Dominion Energy | 41,674 |
2 | Berkeley Electric Cooperative | 34,397 |