Rajan Wilcox
Fossil fuels remain the primary source of electricity worldwide, with coal, oil, and natural gas comprising 82% of the global energy mix in 2023. This figure has remained relatively unchanged over the past few decades, despite the growth of renewable energy sources. Several major countries, including the United States, China, India, and Japan, sourced more than half of their electricity from fossil fuels in 2023, underscoring the ongoing dominance of these fuels in global power systems. While clean electricity generation has been increasing, it has yet to surpass fossil fuels as the primary source of global electricity.
| Characteristics | Values |
|---|---|
| Percentage of global electricity that comes from fossil fuels | 80-82% in 2023 |
| Fossil fuel with the largest share of electricity generation | Coal |
| Second largest share | Natural gas |
| Third largest share | Oil |
| Countries where fossil fuels provide over half of electricity | US, China, India, Japan, Poland, Turkey |
| Countries with over 90% of electricity from nuclear or renewables | Sweden, Norway, France, Paraguay, Iceland, Nepal |
| Global electricity generation from renewable energy sources by 2040 | 88% |
| Global electricity generation from renewable energy sources by 2050 | 100% |
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What You'll Learn
Fossil fuels dominate global power systems
Fossil fuels continue to dominate global power systems, with coal, oil, and natural gas comprising 82% of the global energy mix in 2023. This figure represents a 1.5% increase in fossil fuel consumption compared to 2022, driven by a spike in energy demand from the Global South. Oil and coal alone accounted for over half of the world's energy consumption, with coal remaining the dominant fuel for power generation.
While the use of fossil fuels varies across countries, several key nations sourced well over half of their electricity from these fuels in 2023. These include the United States (59%), China (65%), India (75%), Japan (63%), Poland (73%), and Turkey (57%). Despite a notable decline in some regions, such as Europe and North America, coal's share in the energy mix in Asia has remained flat at around 56%.
The persistence of fossil fuels as the primary energy source underscores the challenges faced by climate activists and policymakers. The COP28 climate conference aims to address the urgent need for widespread cuts in fossil fuel use to curb rising global temperatures. However, with many influential countries heavily reliant on fossil fuels, achieving bold power sector overhauls remains a formidable task.
Although renewable energy sources have made significant strides, they have yet to surpass fossil fuels in total electricity generation. Clean electricity's share of total electricity generation has not exceeded 40% as of 2023. Nevertheless, there are reasons for optimism, with the IEA forecasting $2 trillion in clean energy technology and infrastructure investments in 2024, outpacing investments in fossil fuels.
The transition to clean energy is imperative to reduce carbon emissions and build a more sustainable future. While fossil fuels currently dominate global power systems, efforts to increase investments in renewables and phase out fossil fuels offer hope for a greener tomorrow.
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Coal is the largest source of electricity production
Fossil fuels, including coal, oil, and natural gas, remain the primary source of electricity worldwide. In 2023, fossil fuels accounted for 82% of the global energy mix, with coal and oil contributing a third and a quarter, respectively. Coal is the largest source of electricity production, with natural gas coming in second.
Coal's dominance in the energy mix has been prominent for years. In 2019, coal was the dominant fuel for power generation, reaching 37% of global electricity production, 10% more than renewables. While coal's share has declined in Europe and North America, it has remained flat in Asia at around 56%. China, the world's largest coal consumer, and India, have seen strong growth in coal output.
The high consumption of coal has led to significant environmental concerns. In 2023, the increase in coal consumption contributed to a record 40 gigatonnes of carbon dioxide emissions. Despite this, some countries have made strides toward reducing their coal consumption. For example, consumption in the US, the world's third-largest consumer of coal, has halved in the last decade, leading to a notable decrease in CO2 emissions.
The transition to clean energy sources is gaining momentum. The IEA forecasts $2 trillion in investments in clean energy technologies and infrastructure in 2024, nearly double the amount allocated to fossil fuels. Additionally, the G7 nations have committed to exiting coal in the first half of the 2030s, marking a significant step toward transitioning away from fossil fuels. While fossil fuels still dominate the global energy mix, these efforts indicate a growing recognition of the need to adopt cleaner energy sources.
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Oil is the most produced form of energy
Fossil fuels, including coal, oil, and natural gas, made up 82% of the global energy mix in 2023. This figure represents a 1.5% increase in fossil fuel consumption compared to 2022. Oil and coal accounted for a third and a quarter of the world's energy consumption, respectively.
Oil is the most-used energy resource worldwide, and it is a depletable, non-renewable resource. Oil provides more than 90% of global transportation energy, and its high energy density makes it very convenient for transport. In the US, petroleum has historically been the most-consumed energy source in terms of total annual energy consumption. In 2022, the US consumed about 20.28 million barrels of petroleum per day, including about 1.17 million barrels of biofuels. Gasoline is the most-consumed petroleum product in the US, with consumption in 2022 averaging about 8.78 million barrels per day, or about 369 million gallons per day. This accounted for about 43% of total US petroleum consumption.
Oil production and refining processes are relatively efficient, with only 25% of production lost between the well and the fuel pump. However, once the fuel is in an automobile, 86% of it is lost to engine and driveline inefficiencies or is used to power accessories. Less than 1% of the car's fuel moves the driver.
While fossil fuels still dominate global power systems, there is a growing trend towards renewable energy sources. In 2023, electricity generation from renewable sources grew at nearly triple the pace of fossil fuels since 2019. China, for example, has made significant strides in renewable energy, accounting for 55% of all renewable energy additions in 2023, more than the rest of the world combined.
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Natural gas is the second-largest source of electricity generation
Fossil fuels, including coal, oil, and natural gas, remain the primary source of global electricity. In 2023, fossil fuels comprised 82% of the global energy mix, with oil and coal accounting for a third and a quarter of the world's energy consumption, respectively. While the consumption of fossil fuels in Europe and the US has decreased, China and India have seen an increase, with China burning more coal than the rest of the world combined.
Despite the growth of renewable energy sources, natural gas remains the second-largest source of electricity generation globally. In 2023, natural gas accounted for around 22.6% of total electricity generation, with total world electricity generation from natural gas reaching a new high of 630 TWh in August of that year. This increase was driven primarily by a strong upturn in gas-fired generation in the United States during the summer months when air conditioning demand is at its peak.
Natural gas has also made gains in China, where it has replaced coal in some regions. However, gas consumption across Europe has been impacted by a downturn in industrial activity following the surge in regional power prices in 2022. While renewable sources of electricity have grown at nearly triple the pace of fossil fuels since 2019, they have yet to surpass fossil fuels as the primary source of global electricity.
The transition to clean energy sources is a key focus of international efforts to address climate change, as outlined in agreements such as the Paris Agreement and the COP28 meetings. While some countries, such as Sweden, Norway, and France, get over 90% of their electricity from nuclear or renewable sources, many other countries remain heavily dependent on fossil fuels. It is important to note that the production and consumption of energy play a significant role in the global economy, particularly in industry and global transportation.
As the world works towards reducing carbon emissions and investing in low-carbon energy sources, the share of electricity generation from natural gas and other fossil fuels is expected to decrease. However, as of 2023, natural gas remains a significant contributor to global electricity generation, second only to coal.
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Nuclear energy is in decline
Fossil fuels continue to dominate the global energy mix, comprising 82% of energy consumption in 2023, a 1.5% increase from 2022. Oil and coal accounted for a third and a quarter of the world's energy consumption, with coal consumption increasing by 2% from 2022. Despite this, there has been a decline in the use of fossil fuels in some parts of the world. For instance, in Europe, fossil fuel consumption dipped below 70% for the first time ever, and in the US, consumption has halved in the last decade.
While fossil fuels remain the primary source of global electricity, the share of electricity generation from renewable sources has grown at nearly triple the pace of fossil fuels since 2019. However, clean electricity's share of total electricity generation has yet to pass the 40% threshold. Several countries have made significant strides towards transitioning away from fossil fuels, such as China, which has made huge investments in renewable energy, and the Group of Seven (G7), which has committed to exiting coal in the first half of the 2030s.
Despite nuclear power's role in reducing carbon emissions, the nuclear energy industry is in a state of decline due to several factors. One of the main reasons is the high costs associated with nuclear power projects. Construction costs have been rising, and delays have been common, making it challenging to justify nuclear energy from an economic perspective. For example, the Alvin W. Vogtle Electric Generating Plant in Georgia experienced significant cost overruns, doubling its original budget and causing a 12% increase in customer bills.
In addition to cost overruns, the potential safety risks and environmental impact of nuclear accidents cannot be ignored. The Chernobyl tragedy in Ukraine and the Fukushima nuclear accident in Japan are stark reminders of the catastrophic consequences of nuclear disasters. These incidents have fueled a popular movement against nuclear power, particularly in the Western world, where concerns about nuclear accidents and waste management are prevalent. As a result, several countries have abandoned or restricted the construction of new nuclear power plants, including Austria, Sweden, Italy, and Germany.
While there is still some support for nuclear power, particularly among Republicans in the United States, the overall trend suggests a decline in the industry. The number of new construction starts for nuclear power projects has fallen globally, and renewable energy sources like wind and solar power are becoming more economically viable and attractive to investors. As costs continue to fall for renewable and battery technologies, the case for nuclear energy becomes increasingly challenging to make.
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Frequently asked questions
As of 2023, fossil fuels provide 82% of the world's energy. This is a slight increase from 2022, where fossil fuels made up 80% of the global energy mix.
Coal is the largest source of electricity production, followed by gas.
Several key countries source over half of their electricity from fossil fuels, including the United States (59%), China (65%), India (75%), Japan (63%), Poland (73%), and Turkey (57%).
