In South Carolina, electricity consumption over the past year, stretching from September 2024 to August 2025, reveals a strong reliance on low-carbon energy, which accounts for more than half of the state's electricity generation. Specifically, nuclear power is a substantial contributor, representing a little over half of total electricity. Solar, hydropower, and biofuels collectively add up to just under 7% of the total. Meanwhile, fossil fuels, encompassing gas and coal, make up nearly 40% of the electricity generation, with gas contributing a little more than a fifth and coal comprising over a sixth. This energy mix indicates a significant commitment to green, sustainable energy sources, although there remains room to further reduce reliance on fossil fuels.
Data sources used on this page include EIA. More about data sources →
Is Electricity Growing in South Carolina?
The trends in South Carolina's electricity consumption paint a concerning picture. The latest figure shows an individual electricity consumption of 18,587 kWh per person in 2025, which marks a noticeable decrease from the 2005 high of 24,007 kWh per person. This represents a decline of 5,420 kWh per person. Low-carbon electricity generation also saw a reduction over the same period, with current generation at 11,168 kWh per person compared to 13,276 kWh per person back in 2005, a drop of 2,108 kWh per person. These declines are troubling, as they suggest a retreat from progress at a time when electrification and sustainable energy growth are vital to mitigating climate change and pollution challenges.
Suggestions
To increase low-carbon electricity generation, South Carolina should prioritize the expansion of its existing nuclear infrastructure, which already plays a crucial role in the state's clean energy portfolio. Drawing lessons from other regions can also provide valuable insights; for instance, France and Slovakia have achieved impressive shares of 69% and 67% in nuclear electricity generation, respectively, showcasing the potential to further increase this low-carbon source. The state could also look into solar opportunities as successful states like Nevada have harnessed solar power to generate 30% of their electricity from this clean source. Investing in these technologies will not only advance South Carolina's green energy ambitions but will also drive economic growth through the electrification of new sectors powered sustainably.
History
Reflecting on the history of low-carbon electricity in South Carolina reveals mixed developments. In the mid-2000s, nuclear generation experienced fluctuations, with notable increases in 2005 and 2007 but declines in 2006 and 2008. The pattern of ups and downs continued through 2009 to 2025, although nuclear gains were seen in some years like 2013 and 2019. Hydropower, while experiencing some increases, also faced setbacks with a decline in 2021. These patterns highlight the challenges faced by the state in maintaining consistent growth in low-carbon electricity production. Nevertheless, the positive contributions of nuclear power in particular underscore a solid foundation to build upon as South Carolina navigates toward a more sustainable energy future.
