WattBuy’s Guide toElectricity in
Electricity in
Johnston
South Carolina
South Carolina
Here's the average monthly bill, usage, and carbon footprint of residents in Johnston
January
$233highestFebruary
$143March
$142April
$139lowestMay
$154June
$168July
$180August
$169September
$162October
$147November
$140December
$170Carbon Emissions
526 lbs CO₂
Monthly Usage
1,065 kWh
Johnston's energy comes from Nuclear, Natural Gas, Coal, Solar, and Hydroelectric. Nuclear is the largest source of electricity, providing 59% of Johnston's energy. Natural Gas is the second largest source, making up 20%. Coal provides 14% of the energy in Johnston. Solar provides 4% of the energy in Johnston. Hydroelectric provides 3% of the energy in Johnston.
59%
Nuclear
20%
Natural Gas
14%
Coal
4%
Solar
3%
Hydroelectric
Solar power is on the rise, helping homeowners save on their electricity bills and power their homes sustainably.
0 kWh
Energy generated by average sized system
$13,766
Average system cost
(after federal incentive)
10 years
Payback period
Net metering policies in Johnston can help solar panel owners save money and reduce their carbon footprint. When your solar panels generate more electricity than you use, you can send the excess back to the grid and receive credit on your next bill. Just something to keep in mind when considering solar panels.
Dominion Energy - South Carolina has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| 6 (Residential Service Energy Conservation Rate) | Fixed | 12¢ to 13¢ |
| 5 (Residential Service Time-Of-Use) | TOU | 10¢ to 27¢ |
| 2 (Low Use Residential Service) | Fixed | 10¢ |
| 8 (Residential Service) | Fixed | 13¢ to 15¢ |
| 7 (Residential Service Time-Of-Use Demand) | TOU | 8¢ to 9¢ |
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