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9% of global electricity is generated from Nuclear

8.97 % Share of global electricity
12 gCO2eq/kWh Carbon Intensity
Nuclear

Nuclear energy is a powerful and efficient form of energy derived from the nucleus of atoms. The process of nuclear fission, where the nucleus of an atom is split into smaller parts, releases a tremendous amount of energy, which can be harnessed for various applications. This energy source is considered clean and low-carbon, making it a vital component in the transition towards greener electricity systems. Nuclear power is utilized globally to reduce reliance on fossil fuels such as coal and gas, contributing to efforts to mitigate climate change by decreasing carbon emissions.

Electricity generation from nuclear energy involves a nuclear reactor, where the fission of uranium atoms occurs, releasing heat. This heat is used to produce steam, which then drives turbines connected to generators, thus producing electricity. The efficient conversion of nuclear energy into electrical power allows for the supply of significant amounts of electricity with minimal carbon emissions. In fact, the carbon intensity of nuclear power is only 12 gCO2eq/kWh, which is remarkably low compared to fossil fuel sources like coal and gas that emit 820 and 490 gCO2eq/kWh, respectively. This positions nuclear energy alongside other low-carbon sources such as wind (11 gCO2eq/kWh) and solar (45 gCO2eq/kWh).

One of the main advantages of nuclear energy is its low carbon emissions, making it an essential part of the global strategy to combat climate change. By generating electricity with a minimal carbon footprint, nuclear power helps decrease overall greenhouse gas emissions. When compared to fossil fuels, which are major contributors to global pollution and climate issues, nuclear energy stands out as a clean alternative. In this way, nuclear energy, along with other low-carbon sources like wind and solar, represents a sustainable pathway towards achieving climate goals.

Nuclear energy is a significant contributor to the world's electricity supply, providing about 9% of the global electricity consumption. In several regions of the United States, nuclear power plays an even more pivotal role. States such as South Carolina and Illinois derive more than half of their electricity from nuclear, with nuclear contributing 53% and 52%, respectively. Similarly, New Hampshire sees 55% of its electricity coming from this low-carbon energy source. This high percentage of reliance on nuclear highlights its effectiveness and reliability as a primary electricity source.

The substantial share of nuclear energy in states like Pennsylvania and Alabama, where it accounts for around 30% of electricity generation, further illustrates the importance of nuclear in supporting a clean electricity grid. This consistent and reliable baseload power can complement other low-carbon sources such as solar and wind, ensuring a stable electricity supply. As the world continues to move towards electrification and increased demand for electricity, nuclear energy's role is increasingly vital in reaching a more sustainable future.

Emphasizing the growth and expansion of nuclear energy is crucial in addressing the urgent need for clean electricity. Together with solar and wind, nuclear energy forms a trio of powerful low-carbon technologies that can significantly reduce our reliance on environmentally harmful fossil fuels. By investing in these energy sources, we can meet the growing electricity demand powered by emerging technologies like artificial intelligence, while simultaneously addressing the threats of climate change and air pollution. It is imperative that countries around the world accelerate their efforts towards the deployment of nuclear and solar power, paving the way for a cleaner, more sustainable future.

Country/Region kWh/person % TWh
South Carolina 9874.9 W 53.5% 54.9 TWh
Alabama 8276.6 W 29.8% 42.9 TWh
Illinois 7840.1 W 52.0% 99.0 TWh
New Hampshire 6812.2 W 54.9% 9.7 TWh
Pennsylvania 5779.8 W 30.4% 75.5 TWh
France 5435.2 W 68.6% 363.1 TWh
Finland 5395.7 W 35.6% 30.4 TWh
Arkansas 4882.5 W 24.8% 15.2 TWh
Sweden 4426.3 W 29.2% 47.3 TWh
Connecticut 4322.4 W 36.0% 16.0 TWh
Georgia (US) 4309.5 W 30.9% 48.7 TWh
Arizona 4178.5 W 27.5% 32.1 TWh
Mississippi 3925.6 W 15.4% 11.5 TWh
North Carolina 3880.8 W 29.7% 43.4 TWh
South Korea 3619.5 W 32.2% 187.3 TWh
Kansas 3535.3 W 16.9% 10.5 TWh
Tennessee 3447.0 W 22.8% 25.2 TWh
Slovakia 3417.7 W 64.5% 18.9 TWh
Virginia 3407.2 W 20.5% 30.1 TWh
Louisiana 3265.2 W 14.1% 14.9 TWh
United Arab Emirates 3032.7 W 19.6% 32.3 TWh
Nebraska 3017.7 W 15.5% 6.1 TWh
New Jersey 2899.3 W 35.8% 27.6 TWh
Slovenia 2840.8 W 35.7% 6.1 TWh
Michigan 2800.1 W 22.2% 28.4 TWh
Czechia 2626.3 W 39.3% 28.6 TWh
Switzerland 2462.8 W 44.9% 22.2 TWh
Maryland 2334.1 W 23.3% 14.6 TWh
United States 2257.0 W 17.4% 780.6 TWh
Bulgaria 2250.7 W 40.5% 15.1 TWh
Belgium 2206.3 W 35.1% 26.1 TWh
Minnesota 2160.9 W 18.1% 12.5 TWh
Canada 2074.7 W 13.2% 82.9 TWh
Belarus 1833.7 W 36.0% 16.5 TWh
Wisconsin 1640.5 W 13.4% 9.8 TWh
Hungary 1600.1 W 34.0% 15.4 TWh
Ukraine 1512.1 W 54.6% 62.1 TWh
Russia 1487.0 W 17.8% 215.7 TWh
Ohio 1449.0 W 10.5% 17.2 TWh
Missouri 1409.0 W 10.6% 8.8 TWh
New York 1388.6 W 20.7% 27.3 TWh
Texas 1273.8 W 7.0% 40.5 TWh
Florida 1230.2 W 10.7% 29.3 TWh
Spain 1093.8 W 20.0% 52.7 TWh
Washington 1052.0 W 8.1% 8.4 TWh
Armenia 908.0 W 30.0% 2.6 TWh
Japan 735.5 W 9.5% 90.6 TWh
United Kingdom 595.0 W 12.6% 41.3 TWh
Romania 547.6 W 20.9% 10.3 TWh
California 471.8 W 7.2% 18.5 TWh
The World 339.1 W 9.0% 2767.6 TWh
People's Republic of China 311.0 W 4.6% 442.8 TWh
Republic of China (Taiwan) 297.3 W 2.4% 6.9 TWh
Argentina 210.3 W 6.6% 9.6 TWh
Netherlands 183.8 W 2.8% 3.4 TWh
South Africa 133.4 W 3.5% 8.6 TWh
Pakistan 97.2 W 13.4% 24.5 TWh
Mexico 92.4 W 3.3% 12.2 TWh
Iran 72.7 W 1.7% 6.6 TWh
Brazil 67.2 W 1.9% 14.3 TWh
India 36.8 W 2.7% 53.8 TWh
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