Mercedes Mullins
Fossil fuels are currently the dominant energy source, meeting more than 80% of global energy demand. However, there is a growing debate about whether they are the cheapest form of energy. While some argue that the transition to renewable energy sources will increase costs and hurt grid reliability, others claim that renewables are, in fact, the cheapest form of energy. This claim is supported by reports from the International Renewable Energy Agency, which show that renewable energy sources offer cheaper energy than fossil fuels. Additionally, the cost of renewable energy reached a record low in 2018, with solar energy and wind power becoming some of the most affordable energy sources globally. However, it is important to consider the economic impacts of time and location, as well as the fact that renewable energy sources may not always be available, requiring backup solutions.
| Characteristics | Values |
|---|---|
| Cheapest form of energy | Fossil fuels are currently the cheapest form of energy, with natural gas being the most affordable energy source. |
| Demand | Fossil fuels meet more than 80% of global energy demand. |
| Cost of renewable energy | The cost of renewable energy reached a record low in 2018. Solar energy, wind power, and hydropower are now among the most affordable renewable energy sources. |
| Levelized cost of electricity (LCOE) | The LCOE of conventional solar power is $23.22, and $31.07 for onshore wind. The unsubsidized costs are $41.22 and $50.87 respectively. |
| Cost comparison | The global average cost of electricity from onshore wind is 3.3 cents per kilowatt-hour, while fossil fuels average between $0.05 and $0.17 per kWh. |
| Transition to renewable energy | A rushed transition to renewable energy sources may increase energy costs and hurt grid reliability and economic mobility. |
| Environmental impact | Renewable energy sources have lower environmental impacts than fossil fuels, with the UN's top court ruling that countries must take action on climate change, including reducing emissions. |
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What You'll Learn
Hydropower is cheaper than fossil fuels
While fossil fuels currently meet more than 80% of the global energy demand, renewable energy sources are becoming more common and their associated costs are plummeting. In 2018, solar energy and wind power were among the most affordable renewable energy sources globally, and these costs are expected to remain low.
Hydropower, in particular, has been providing cheaper electricity than fossil fuels in recent years. The global weighted-average levelized cost of hydropower electricity was equal to or below the cost of the cheapest fossil fuel-fired alternative in all but two years between 2010 and 2018. This means that the majority of hydropower used during this period cost less than the cheapest fossil fuel option. Hydropower has the lowest levelized cost of electricity across all major fossil fuel and renewable energy sources, and it also costs less than energy efficiency options. Hydropower is a flexible power source that can quickly go from zero to maximum output, making it an essential backup power option during major electricity outages or disruptions.
Furthermore, hydropower facilities can utilize pre-existing structures such as bridges, tunnels, and dams, reducing construction costs. Once operational, hydropower provides low-cost electricity and durability over time. States that get most of their electricity from hydropower, such as Idaho, Washington, and Oregon, have lower energy bills than the rest of the country.
While some argue that a rushed transition to renewable sources will increase energy costs and hurt grid reliability, it is important to note that renewable energy sources are becoming increasingly affordable and reliable. As technology improves and installation becomes easier, the costs of renewable energy sources like solar and wind power will continue to decrease, making them even more competitive with fossil fuels in the future.
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Geothermal energy is a productive, economically friendly source
The cheapest form of energy is a hotly debated topic, with fossil fuels currently being the most dominant form, meeting more than 80% of global energy demand. However, fossil fuel prices are climbing, and renewable energy sources are becoming more affordable. In 2018, solar energy, wind power, and hydropower were among the most affordable renewable energy sources globally, with costs anticipated to remain low.
Geothermal energy, in particular, is an increasingly popular renewable energy source. In 2018, a little over 500 MW of new geothermal energy generation capacity was added. Where there are reliable, high-temperature resources, geothermal energy can be a productive and economically friendly source of round-the-clock power. The development of geothermal plants may have significant economic impacts on local and regional economies, creating jobs for unemployed inhabitants, increasing tax revenues, and improving infrastructure.
The cost of geothermal energy has been decreasing; in 2018, the global LCOE of new geothermal plants was around $72 per megawatt-hour, 1% lower than the previous year. This cost is higher than that of wind energy but may prove a more worthwhile investment in the long run.
While some argue that a rushed transition to renewable sources will increase energy costs and hurt grid reliability, the UN's top court has ruled that countries must act on climate change, and renewable energy investments in 2021 saved US$55 billion in global energy generation costs in 2022. As renewable energy sources become more efficient and easier to install, their costs will continue to decrease, making them an increasingly viable alternative to fossil fuels.
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The cost of renewable energy sources
In 2019, the International Renewable Energy Agency (IRENA) reported that the energy produced from renewable sources was comparable in price to that of fossil fuels. For example, hydroelectric power costs around $0.05 per kilowatt-hour, while fossil fuels range from $0.05 to $0.17 per kilowatt-hour. Solar power has also become increasingly affordable, with an average cost of around $0.10 per kilowatt-hour. However, it is important to note that the cost of renewable energy sources can vary depending on various factors, such as technology, infrastructure, and geographic location.
One of the benefits of investing in renewable energy infrastructure is its longevity and positive impact on local economies. Renewable energy sources can last for decades, providing essentially free energy once the initial investment has been paid off. Additionally, the development of renewable energy projects creates jobs and stimulates economic growth.
Despite the potential long-term benefits, critics argue that a rushed transition to renewable energy sources can have immediate negative consequences. Forcing countries to adopt more expensive forms of energy can hinder economic growth and harm grid reliability. Additionally, the decline of the fossil fuel industry can have significant economic impacts, as it involves relinquishing a substantial source of wealth.
In conclusion, while renewable energy sources have made significant strides in cost-effectiveness, the discussion of their implementation entails a multifaceted debate. The transition to renewable energy sources requires considering the balance between environmental sustainability, economic feasibility, and energy reliability.
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The transition to renewable energy
In 2024, the International Renewable Energy Agency reported that 81% of renewable energy sources offer cheaper energy than fossil fuels. This has led to a "seismic shift" away from fossil fuels, with the world adding 473 gigawatts of renewable energy capacity in the same year. This trend is expected to continue, with countries pledging to triple renewable energy capacity by 2030. The cost of renewable energy reached a record low in 2018, and solar energy and wind power are now among the most affordable energy sources globally. Hydropower has also been providing cheaper electricity than fossil fuels in recent years. These factors have contributed to a global decline in energy prices as traditional energy use is phased out.
However, there are challenges to transitioning to renewable energy sources entirely. One significant challenge is the intermittent nature of renewable energy sources such as solar and wind power. Unlike fossil fuel plants, which can generally produce power at any time, renewable energy sources are dependent on natural factors such as sunlight and wind. This means that renewable energy requires storage technology to provide a consistent supply of electricity to customers. Additionally, building transmission lines to carry electricity to customers can be expensive, and fossil fuel plants located closer to customers may have lower transmission costs.
A rushed transition to renewable energy sources could also increase energy costs and hurt grid reliability and economic mobility. However, the status quo is also problematic, as fossil fuel prices are climbing, and the use of fossil fuels contributes to climate change and indoor air pollution. To address these challenges, a balanced approach is needed, with investments in renewable energy infrastructure and transmission lines, as well as the development of storage technologies to improve the reliability of renewable energy sources.
In conclusion, while there are challenges to transitioning to renewable energy sources, the economic and environmental benefits of doing so are significant. With the cost of renewable energy sources continuing to decline and the growing recognition of the need to address climate change, the transition to renewable energy is expected to accelerate in the coming years.
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The demand for fossil fuels
Fossil fuels are currently the cheapest form of energy, according to a report by the US government in October 2024. This is despite the fact that renewable energy sources such as solar and wind power have seen record lows in terms of cost in recent years. The average cost per kWh of solar energy is now around $0.10, while fossil fuels average between $0.05 and $0.17 per kWh. Hydropower has also been providing cheaper electricity than fossil fuels in recent years.
The transition to renewable energy sources is expected to increase energy costs and hurt grid reliability and economic mobility, at least in the short term. This is because renewable energy sources are currently more expensive than fossil fuels. However, the International Energy Agency (IEA) predicts that fossil fuel demand will peak by 2030, and that clean energy sources will generate more than half of the world's energy by the end of the decade. Global energy prices will decline as traditional energy use phases out.
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Frequently asked questions
Fossil fuels are currently the cheapest form of energy, with natural gas being the most affordable energy source. However, renewable energy sources are becoming increasingly price-competitive, with 81% of renewables offering cheaper energy than fossil fuels.
Renewable energy sources are not more widely adopted because they are not always available. For example, solar power only generates electricity when the sun is out. Renewable energy also requires significant upfront costs for storage technology and transmission infrastructure, which can be expensive.
The levelized cost of electricity (LCOE) for conventional solar power is $23.22, while onshore wind power is $31.07. In comparison, natural gas and coal plants, categorized as thermal plants, have a higher LCOE.
Yes, there are external costs associated with fossil fuels that are not always factored into the price. For example, the social and environmental costs of indoor air pollution caused by burning fossil fuels for heating and cooking can be significant.
The outlook for renewable energy adoption is positive. The International Energy Agency (IEA) predicts that clean energy sources will generate more than half of the world's energy by the end of 2030. However, a rushed transition to renewable sources could increase energy costs and hurt grid reliability.
