South Carolina Electricity: Generation Mix and Retail Prices
South Carolina generated 105 TWh of electricity in 2025, 54% of it from nuclear. The average retail price was 11.45 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through June 2026; they are not real time.
Key Facts
- South Carolina generated 105 TWh of electricity in 2025, the 15th most of the 51 states and DC.
- Nuclear was the largest source of South Carolina's electricity in 2025, at 54.2% of generation.
- Gas was the second largest source of South Carolina's electricity in 2025, at 21.5% of generation.
- South Carolina's electricity generation rose from 89.2 TWh in 2001 to 105 TWh in 2025.
- The average retail price of electricity in South Carolina was 11.45 US cents/kWh in 2025, the 33rd highest of the 51 states and DC.
- Residential customers in South Carolina paid an average of 14.96 US cents/kWh in 2025.
- South Carolina generated 9.44 TWh of electricity in June 2026.
Key Figures
| Measure | Value | As of / source |
|---|---|---|
| Total generation | 105 TWh | 2025 · EIA |
| Generation rank | 15 of 51 | 2025 · EIA |
| Average retail price, all sectors | 11.45 US cents/kWh | 2025 · EIA |
| Price rank, highest first | 33 of 51 | 2025 · EIA |
| Retail sales | 85.6 TWh | 2025 · EIA |
| Retail customers | 3,062,356 | 2025 · EIA |
| Retail revenue | USD 9,800 million | 2025 · EIA |
Generation Mix, 2025
| Source | Generation | Share |
|---|---|---|
| Nuclear | 56.7 TWh | 54.2% |
| Gas | 22.5 TWh | 21.5% |
| Coal | 18.2 TWh | 17.4% |
| Solar | 3.31 TWh | 3.2% |
| Hydro | 2.50 TWh | 2.4% |
| Bioenergy | 1.58 TWh | 1.5% |
| Oil | 103 GWh | 0.1% |
| Other | 5.41 GWh | 0.0% |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025. Utility scale generation, all sectors; small scale solar is not included.
Year by Year
EIA annual statistics, 2001 to 2025Annual statistics through 2025, TWh
| Year | Nuclear | Gas | Coal | Solar | Hydro |
|---|---|---|---|---|---|
| 2001 | 49.9 TWh | 1.18 TWh | 36.7 TWh | n/a | 1.23 TWh |
| 2002 | 53.3 TWh | 4.50 TWh | 36.9 TWh | n/a | 1.39 TWh |
| 2003 | 50.4 TWh | 1.66 TWh | 37.4 TWh | n/a | 3.67 TWh |
| 2004 | 51.2 TWh | 3.80 TWh | 38.9 TWh | n/a | 2.45 TWh |
| 2005 | 53.1 TWh | 5.41 TWh | 39.7 TWh | n/a | 2.94 TWh |
| 2006 | 50.8 TWh | 6.07 TWh | 39.5 TWh | n/a | 1.81 TWh |
| 2007 | 53.2 TWh | 5.96 TWh | 41.6 TWh | n/a | 1.56 TWh |
| 2008 | 51.8 TWh | 5.73 TWh | 41.5 TWh | n/a | 1.12 TWh |
| 2009 | 52.1 TWh | 9.78 TWh | 34.5 TWh | n/a | 2.33 TWh |
| 2010 | 52.0 TWh | 10.9 TWh | 37.7 TWh | n/a | 2.38 TWh |
| 2011 | 52.9 TWh | 12.9 TWh | 34.2 TWh | n/a | 1.55 TWh |
| 2012 | 51.1 TWh | 14.3 TWh | 28.4 TWh | n/a | 1.42 TWh |
| 2013 | 54.3 TWh | 11.8 TWh | 24.4 TWh | 0.12 GWh | 3.16 TWh |
| 2014 | 52.4 TWh | 11.4 TWh | 28.9 TWh | 4.79 GWh | 2.57 TWh |
| 2015 | 53.2 TWh | 16.5 TWh | 22.6 TWh | 4.22 GWh | 2.56 TWh |
| 2016 | 55.8 TWh | 16.4 TWh | 21.0 TWh | 4.97 GWh | 2.23 TWh |
| 2017 | 54.3 TWh | 17.2 TWh | 18.2 TWh | 79.5 GWh | 1.84 TWh |
| 2018 | 52.7 TWh | 21.7 TWh | 19.5 TWh | 510 GWh | 3.01 TWh |
| 2019 | 56.1 TWh | 23.9 TWh | 14.9 TWh | 859 GWh | 2.98 TWh |
| 2020 | 54.8 TWh | 24.2 TWh | 12.5 TWh | 1.72 TWh | 3.86 TWh |
| 2021 | 53.8 TWh | 23.2 TWh | 15.2 TWh | 2.28 TWh | 2.54 TWh |
| 2022 | 54.4 TWh | 24.1 TWh | 14.2 TWh | 2.42 TWh | 2.18 TWh |
| 2023 | 55.6 TWh | 23.7 TWh | 15.2 TWh | 2.76 TWh | 2.20 TWh |
| 2024 | 53.8 TWh | 22.8 TWh | 16.8 TWh | 2.93 TWh | 2.41 TWh |
| 2025 | 56.7 TWh | 22.5 TWh | 18.2 TWh | 3.31 TWh | 2.50 TWh |
| Year | Generation | Largest source | Average retail price |
|---|---|---|---|
| 2025 | 105 TWh | Nuclear 54.2% | 11.45 US cents/kWh |
| 2024 | 100 TWh | Nuclear 53.5% | 10.90 US cents/kWh |
| 2023 | 101 TWh | Nuclear 55.2% | 10.50 US cents/kWh |
| 2022 | 98.7 TWh | Nuclear 55.1% | 10.74 US cents/kWh |
| 2021 | 98.4 TWh | Nuclear 54.7% | 9.96 US cents/kWh |
| 2020 | 98.5 TWh | Nuclear 55.6% | 9.90 US cents/kWh |
| 2019 | 100 TWh | Nuclear 56.0% | 10.02 US cents/kWh |
| 2018 | 99.4 TWh | Nuclear 53.1% | 9.67 US cents/kWh |
| 2017 | 93.1 TWh | Nuclear 58.4% | 9.97 US cents/kWh |
| 2016 | 97.0 TWh | Nuclear 57.6% | 9.79 US cents/kWh |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.
Retail Electricity Prices
Average revenue per kWh sold, 2001 to 2025Annual statistics through 2025, US cents/kWh
| Year | All sectors | Residential | Commercial | Industrial |
|---|---|---|---|---|
| 2001 | 5.77 US cents/kWh | 7.69 US cents/kWh | 6.45 US cents/kWh | 3.86 US cents/kWh |
| 2002 | 5.83 US cents/kWh | 7.72 US cents/kWh | 6.48 US cents/kWh | 3.85 US cents/kWh |
| 2003 | 6.08 US cents/kWh | 8.01 US cents/kWh | 6.81 US cents/kWh | 4.00 US cents/kWh |
| 2004 | 6.22 US cents/kWh | 8.12 US cents/kWh | 6.91 US cents/kWh | 4.13 US cents/kWh |
| 2005 | 6.72 US cents/kWh | 8.67 US cents/kWh | 7.39 US cents/kWh | 4.55 US cents/kWh |
| 2006 | 6.98 US cents/kWh | 9.03 US cents/kWh | 7.60 US cents/kWh | 4.71 US cents/kWh |
| 2007 | 7.18 US cents/kWh | 9.19 US cents/kWh | 7.74 US cents/kWh | 4.83 US cents/kWh |
| 2008 | 7.85 US cents/kWh | 9.89 US cents/kWh | 8.42 US cents/kWh | 5.37 US cents/kWh |
| 2009 | 8.42 US cents/kWh | 10.44 US cents/kWh | 8.74 US cents/kWh | 5.79 US cents/kWh |
| 2010 | 8.49 US cents/kWh | 10.50 US cents/kWh | 8.90 US cents/kWh | 5.74 US cents/kWh |
| 2011 | 8.80 US cents/kWh | 11.05 US cents/kWh | 9.30 US cents/kWh | 5.94 US cents/kWh |
| 2012 | 9.10 US cents/kWh | 11.77 US cents/kWh | 9.63 US cents/kWh | 6.02 US cents/kWh |
| 2013 | 9.24 US cents/kWh | 11.99 US cents/kWh | 9.88 US cents/kWh | 6.01 US cents/kWh |
| 2014 | 9.67 US cents/kWh | 12.45 US cents/kWh | 10.28 US cents/kWh | 6.29 US cents/kWh |
| 2015 | 9.58 US cents/kWh | 12.57 US cents/kWh | 10.21 US cents/kWh | 6.05 US cents/kWh |
| 2016 | 9.79 US cents/kWh | 12.65 US cents/kWh | 10.28 US cents/kWh | 6.09 US cents/kWh |
| 2017 | 9.97 US cents/kWh | 13.02 US cents/kWh | 10.57 US cents/kWh | 6.19 US cents/kWh |
| 2018 | 9.67 US cents/kWh | 12.44 US cents/kWh | 10.11 US cents/kWh | 6.10 US cents/kWh |
| 2019 | 10.02 US cents/kWh | 12.99 US cents/kWh | 10.58 US cents/kWh | 6.11 US cents/kWh |
| 2020 | 9.90 US cents/kWh | 12.78 US cents/kWh | 10.35 US cents/kWh | 5.98 US cents/kWh |
| 2021 | 9.96 US cents/kWh | 12.86 US cents/kWh | 10.67 US cents/kWh | 6.07 US cents/kWh |
| 2022 | 10.74 US cents/kWh | 13.59 US cents/kWh | 10.86 US cents/kWh | 7.13 US cents/kWh |
| 2023 | 10.50 US cents/kWh | 13.68 US cents/kWh | 10.39 US cents/kWh | 6.68 US cents/kWh |
| 2024 | 10.90 US cents/kWh | 14.23 US cents/kWh | 10.64 US cents/kWh | 6.84 US cents/kWh |
| 2025 | 11.45 US cents/kWh | 14.96 US cents/kWh | 11.05 US cents/kWh | 7.11 US cents/kWh |
| Sector, 2025 | Average price | Sales | Customers |
|---|---|---|---|
| All sectors | 11.45 US cents/kWh | 85.6 TWh | 3,062,356 |
| Residential | 14.96 US cents/kWh | 33.8 TWh | 2,641,228 |
| Commercial | 11.05 US cents/kWh | 27.0 TWh | 417,648 |
| Industrial | 7.11 US cents/kWh | 24.9 TWh | 3,480 |
| Transportation | 0.00 US cents/kWh | 0 TWh | 0 |
Prices are average revenue per kWh sold, including delivery charges and taxes collected by utilities, in nominal US cents.
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.
Month by Month
EIA monthly statistics, preliminary for recent months| Month | Generation | Average price, all sectors | Residential price |
|---|---|---|---|
| June 2026 | 9.44 TWh | 12.04 US cents/kWh | 15.55 US cents/kWh |
| May 2026 | 7.63 TWh | 11.78 US cents/kWh | 16.18 US cents/kWh |
| April 2026 | 7.71 TWh | 12.06 US cents/kWh | 17.06 US cents/kWh |
| March 2026 | 8.27 TWh | 11.94 US cents/kWh | 16.45 US cents/kWh |
| February 2026 | 8.04 TWh | 13.10 US cents/kWh | 16.15 US cents/kWh |
| January 2026 | 9.36 TWh | 12.88 US cents/kWh | 15.41 US cents/kWh |
| December 2025 | 8.97 TWh | 11.91 US cents/kWh | 14.82 US cents/kWh |
| November 2025 | 7.56 TWh | 11.21 US cents/kWh | 15.53 US cents/kWh |
| October 2025 | 8.06 TWh | 11.27 US cents/kWh | 15.65 US cents/kWh |
| September 2025 | 7.86 TWh | 11.45 US cents/kWh | 15.34 US cents/kWh |
| August 2025 | 9.22 TWh | 11.50 US cents/kWh | 14.98 US cents/kWh |
| July 2025 | 10.2 TWh | 11.84 US cents/kWh | 14.70 US cents/kWh |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of June 2026.