The Future of Renewable Energy

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 The Future of Renewable Energy

Renewable energy capacity is set to expand 50% between 2019 and 2024, led by solar energy.


 This is according to The International Energy Agency (IEA)’s ‘Renewable 2020’ report, which found that solar, wind and hydropower projects are rolling out at their fastest rate in four years, making for the argument that the future lies in using renewable energy. 


Renewable energy resources make up 26% of the world’s electricity today, but according to the IEA its share is expected to reach 30% by 2024. The resurgence follows a global slowdown in 2019, due to falling technology costs and rising environmental concerns.

Renewable energy in the future is predicted that by 2024, solar capacity in the world will grow by 600 gigawatts (GW), almost double the installed total electricity capacity of Japan. Overall, renewable electricity is predicted to grow by 1 200 GW by 2024, the equivalent of the total electricity capacity of the US. 

The IEA is an autonomous inter-governmental organisation that was initially created after the wake of the 1973 oil crisis. It now acts as an energy policy advisor to 29 member countries and the European Commission to shape energy policies for a secure and sustainable future.


Solar Will Become 35% Cheaper By 2024

Renewable energy sources, such as solar, wind, and hydroelectric power, are becoming increasingly important as the world looks for ways to reduce its reliance on fossil fuels and mitigate the impact of climate change.

When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow


Industry experts predict that the US will double its solar installations to four million by 2023. In 2018, the UK had over one million solar panel installations, up by 2% from the previous year and Australia reached two million solar installations in the same year. A big reason for this increased uptake is the fall in prices to install the panels.

The cost of solar PV-based power declined by 13% in 2018, while Carbon Tracker predicts that 72% of coal-based power will become globally unprofitable by 2040. The IEA report found that solar energy will account for 60% of the predicted renewable growth, primarily due to its accessibility. Compared with the previous six-year period, expansion of solar energy has more than doubled. The cost of solar power is expected to decline by 15% to 35% by 2024, spurring further growth over the second half of the decade.


Onshore Wind Energy Capacity Will Increase 57% By 2024

To generate electricity using wind, wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity.

The adoption of wind power is becoming more prominent due to increased capacity.

Onshore wind capacity is expected to expand by 57% to 850 GW by 2024. Annual onshore wind additions will be led by the US and China, owing to a development rush and a policy transition to competitive auctions respectively. Expansion will accelerate in the EU as competitive auctions continue to keep costs relatively low. These auctions will mean that growth in Latin America, the MENA region, Eurasia and sub-Saharan Africa will remain stable over the forecast period. 

Offshore wind capacity is forecast to increase almost threefold to 65 GW by 2024, representing almost 10% of total world wind generation. While the EU accounts for half of global offshore wind capacity expansion over the forecast period, on a country basis, China leads deployment, with 12.5 GW in development. The first large US capacity additions are also expected during the forecast period.

Japan Expands Wind Energy

Japan is experimenting with the idea of installing offshore turbines to replace many of their nuclear reactors, a result of the country’s 2011 nuclear disaster in Fukushima. The company Marubeni recently signed a project agreement to build offshore farms in northern Japan, with each farm able to produce 140 MW of power.

Japanese lawmakers have created regulations to give developers more certainty in constructing sources of wind-based electricity; legislation outlining competitive bidding processes has been passed to ensure that building costs are reduced and developers consider potential capacity issues. The country’s Port and Harbour Law has also been revised to spur wind turbine construction in port-associated areas and other locations favourable to wind turbines. 

Grid integration, financing and social acceptance remain the key challenges to faster wind expansion globally. 


Hydroelectric Capacity Will Rise 9% By 2024

Hydropower plants capture the energy of falling water to generate electricity. A turbine converts the kinetic energy of falling water into mechanical energy. Then a generator converts the mechanical energy from the turbine into electrical energy.

According to the IEA, hydropower will remain the world’s primary source of renewable power in 2024. Capacity is set to increase 9% (121 GW) over the forecast period, led by China, India and Brazil. 25% of global growth is expected to come from just three megaprojects: two in China (the 16 GW Wudongde and 10 GW Baihetan projects) and one in Ethiopia (the 6.2 GW Grand Renaissance project). 

However, there has been a slowdown in the two largest markets, China and Brazil; growth is challenged by rising investment costs due to limited remaining economical sites and extra expenditures in addressing social and environmental impacts.

Nevertheless, annual additions are expected to expand in sub-Saharan Africa and in the ASEAN region as untapped potential is used to meet rising power demand. 

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Geothermal Capacity Will Increase 28% By 2024

To generate geothermal energy, hot water is pumped from deep underground through a well under high pressure. When the water reaches the surface, the pressure is dropped, which causes the water to turn into steam. The steam spins a turbine, which is connected to a generator that produces electricity. The steam cools off in a cooling tower and condenses back to water. The cooled water is pumped back into the Earth to begin the process again.

The US market for geothermal heat pumps will exceed $2 billion by 2024 as demand for efficient heating solutions increases. Transformed building codes will encourage a move to renewable heating and electricity systems in commercial and residential real estates. 

Geothermal capacity is anticipated to grow 28%, reaching 18 GW by 2024, with Asia responsible for one-third of global expansion, particularly Indonesia and the Philippines, followed by Kenya, whose geothermal capacity is set to overtake Iceland’s during the forecast period. 

The same research from Global Market Insights predicts the commercial market will experience the most considerable uptick; according to the Department of Energy, geothermal solutions will generate 8.5% of all electricity in the US by 2050. 

Here are some of the key ways that renewable energy is expected to shape the future:


    Increased adoption: Renewable energy is expected to continue to grow in popularity and adoption as countries and businesses look for ways to reduce their carbon footprints and meet sustainability goals. This could lead to the development of new renewable energy technologies and infrastructure.


    Improved efficiency: Renewable energy technology is expected to continue to improve in terms of efficiency and cost, making it more competitive with traditional energy sources.



    Increased integration with the grid: Renewable energy is expected to play a larger role in the overall energy mix, with greater integration into the grid and the use of technologies such as grid storage to help manage variability



    Reduced greenhouse gas emissions: The use of renewable energy sources can significantly reduce greenhouse gas emissions, which are a major contributor to climate change. As renewable energy becomes more widespread, it is expected to play a key role in efforts to mitigate climate change.



    Ethical and environmental benefits: Renewable energy has the potential to bring about significant ethical and environmental benefits, such as the reduction of greenhouse gas emissions and the protection of natural resources.



    Infrastructure challenges: As renewable energy becomes more widespread, there are likely to be challenges related to infrastructure development, such as the need for new transmission lines or the integration of renewable energy into existing grids.



    Societal and economic impacts: The adoption of renewable energy is expected to have significant societal and economic impacts, such as the creation of new jobs and the potential for cost savings in the long term.


    The Future Lies in Using Renewable Energy


    Overall, the future of renewable energy is likely to bring about significant changes and challenges for various industries and society as a whole. It is an exciting and rapidly evolving field that will continue to shape the way we generate and consume energy in the coming years


    Renewable energy will continue to rise in the upcoming decade, edging out fossil fuels and reducing greenhouse gas emissions. 

    “This is a pivotal time for renewable energy,” said the IEA’s executive director, Fatih Birol. “Technologies such as solar and wind are at the heart of transformations taking place across the global energy system. Their increasing deployment is crucial for efforts to tackle greenhouse gas emissions, reduce air pollution, and expand energy access.”

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