Solar panels under blue sky with sunlight in Summerville, South Carolina - Electricity Rates

Electricity Rates in Summerville, SC

Average electricity cost, utility comparison, and solar savings potential for Summerville homeowners.

$0.13
Avg Rate ($/kWh)
$113
Avg Monthly Bill
-19%
vs National Avg
$88/mo
Solar Savings

Summerville Electricity Cost Overview

The average residential electricity rate in Summerville, SC is $0.13 per kWh, which is 19% below the national average of $0.16/kWh. Homeowners in Summerville pay an average of $113 per month for electricity, based on typical usage of 868 kWh per month.

Electricity rates in Summerville are determined by the local utility providers that serve the area. Rates can vary depending on your specific utility, usage level, and time of use.

Electric Utilities Serving Summerville

Utility CompanyAvg Rate ($/kWh)Est. Monthly Bill
Duke Energy Carolinas$0.13$113
Dominion Energy SC$0.13$113
Santee Cooper$0.11$95

How Solar Compares to Summerville Electricity Rates

Without Solar

  • Monthly bill: $113
  • Annual cost: $1,356
  • 25-year cost: $33,900
  • Rate trend: Rising 2-5% annually

With Solar

  • Monthly savings: $88
  • Annual savings: $1,056
  • 25-year savings: $32,000
  • Rate: Locked in for 25+ years
Neighborhood homes with rooftop solar arrays in Summerville, South Carolina - Electricity Rates
Frequently asked

Electricity Rates FAQ - Summerville, SC

The average residential electricity rate in Summerville is $0.13 per kilowatt-hour (kWh), which is 19% below the national average of $0.16/kWh. The average monthly electric bill for Summerville homeowners is approximately $113.

With solar panels, Summerville homeowners can reduce their electricity costs by approximately 78%, saving around $88 per month or $32,000 over 25 years. The 30% federal tax credit further reduces the upfront cost of going solar.

The major electric utilities serving the Summerville area include Duke Energy Carolinas, Dominion Energy SC, Santee Cooper. Rates vary between providers, so your exact cost depends on your utility and usage level.

Yes, electricity rates in Summerville and across South Carolina have been increasing, following national trends of 2-5% annual increases. This makes solar panels an increasingly attractive option since they lock in your energy costs for 25+ years.

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Solar panels capturing maximum sunlight in Summerville, South Carolina - Electricity Rates

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30%
Federal tax credit
$20K+
25-year savings
$0
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