WattBuy’s Guide toElectricity in
Electricity in
Johns Island
South Carolina
South Carolina
Here's the average monthly bill, usage, and carbon footprint of residents in Johns Island
January
$190February
$173March
$144April
$142lowestMay
$160June
$172July
$193highestAugust
$184September
$167October
$153November
$143December
$159Carbon Emissions
715 lbs CO₂
Monthly Usage
1,191 kWh
Johns Island's energy comes from Nuclear, Coal, Natural Gas, Hydroelectric, and Solar. Nuclear is the largest source of electricity, providing 52% of Johns Island's energy. Coal is the second largest source, making up 23%. Natural Gas provides 20% of the energy in Johns Island. Hydroelectric provides 2% of the energy in Johns Island. Solar provides 2% of the energy in Johns Island.
53%
Nuclear
23%
Coal
20%
Natural Gas
2%
Hydroelectric
2%
Solar
Solar power is on the rise, helping homeowners save on their electricity bills and power their homes sustainably.
1,260 kWh
Energy generated by average sized system
$17,922
Average system cost
(after federal incentive)
9 years
Payback period
Net metering policies in Johns Island 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.
Berkeley Electric has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| Residential Service | Fixed | 10¢ |
| Residential Time of Day | TOU | 6¢ to 36¢ |
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 |
| 7 (Residential Service Time-Of-Use Demand) | TOU | 8¢ to 9¢ |
| 5 (Residential Service Time-Of-Use) | TOU | 10¢ to 27¢ |
| 2 (Low Use Residential Service) | Fixed | 10¢ |
| 6 (Residential Service Energy Conservation Rate) | Fixed | 12¢ to 13¢ |
| 8 (Residential Service) | Fixed | 13¢ to 15¢ |
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