Recent Trends in Renewable Energy Adoption and their Economic Implications

Dr Syed Sibghatullah Shah PhD
Quaid-i-Azam University, Islamabad, Pakistan
Correspondence to: s.sibghats@eco.qau.edu.pk

DOI: https://doi.org/10.70389/PJES.100004

Additional information

• Ethical approval: N/a
• Consent: N/a
• Funding: No industry funding
• Conflicts of interest: N/a
• Author contribution: Syed Sibghatullah Shah – Conceptualization, Writing – original draft, review and editing
• Guarantor: Syed Sibghatullah Shah
• Provenance and peer-review:
  Commissioned and externally peer-reviewed
• Data availability statement: N/a

Keywords: technological advancements, policy interventions, solar energy growth, wind energy development, economic impact on fossil fuels.

Peer Review
Received: 18 August 2024
Accepted: 2 October 2024
Published: 14 October 2024

Introduction

The usage of energy at global scale has changed a lot in the last few decades as people have switched to renewable energy sources. The world needs to depend less on fossil fuels that are running out and work to stop climate change by lowering greenhouse gas emissions ⁽¹⁾. For example, average temperatures are rising and storms are getting stronger due to which people, businesses, and governments all over the world are looking for long-term energy solutions that will help economies grow and reduce pollution ⁽²⁾. Instead of fossil fuels, we can use great new types of energy like hydropower, solar power, wind power, and biomass ⁽³⁾. These things are cheap, simple to find, and long-lasting. Because of progress in technology, producing renewable energy has become a lot cheaper ⁽⁴⁾. The price of solar photovoltaic (PV) panels has dropped by more than 80% in the last ten years ⁽⁵⁾. Solar power is easier to get than ever before and in the same way better wind turbine designs and materials have made wind energy projects more useful and scalable, which led to their widespread use.

A big part of the push for renewable energy around the world comes from rules and laws that make it easier for people to use clean energy ⁽⁶⁾. Some of these policies are feed-in tariffs, tax breaks, and requirements for renewable energy ⁽⁷⁾. These rules make it easier for people to invest and come up with new ideas. They also make it easier for renewable energy projects to get money. Going green with energy is not only good for the environment but also very good for the economy ⁽⁸⁾. Some of the main jobs that are being made in this sector are manufacture, installing, and taking care of renewable energy systems. More than 3.4 million people around the world worked in the solar industry alone in 2022 ⁽⁹⁾. As solar energy keeps getting better, this number is likely to increase. Also, producing energy from renewable sources in more places could make the system less dependent on fossil fuels that are brought in from other countries and more resistant to changes in the global energy market.

It is still not easy to switch to renewable energy, even with these changes. It will cost a lot of money to upgrade infrastructure and find ways to store energy in order to add variable renewable energy sources like wind and sun to the power grids that are already in place. Changing from fossil fuels to renewable energy is also bad for the economy, especially in places and industries that use more traditional energy sources. It is very important to carefully plan transition strategies that take both economic and environmental factors into account because jobs in fossil fuel industries could be lost and assets that are not being used can cost money. The goal of this article is to explore innovative ways to use renewable energy and their influence on economy. It carefully explores newest research and data to determine the causes of growth for renewable energy, what problems this change could cause, and how it could impact businesses, job markets, and trade around the world. There are still debates about energy policy, the economy’s recovery after COVID-19, and the growing push to reach net-zero emissions by the middle of the century.  As the world continues to deal with the twin problems of climate change and economic growth, renewable energy stands out as an important part of a long-term solution.

Literature Review

Rules and technologies are changing quickly, and more people are realizing that they need long-term energy solutions ⁽¹⁰⁾. In this section of study, we will explore the main ideas and discoveries from the earlier research. Along with the most recent research and the most important early works, the literature review tries to paint a full picture for the reason behind people switching to renewable energy, its pros and cons are for businesses, and how these changes will affect world markets and energy systems as a whole.

Technological Advancements

New technologies have made the energy to be cheaper and more efficient due which results in sources of renewable energy to spread rapidly providing easier access to people. These changes in technology have made it possible for renewable energy sources to compete with fossil fuels ⁽¹¹⁾. Focusing on solar photovoltaic (PV) technology, wind power, and energy storage, we have explored about the new ideas that have changed the trend in renewable energy. In the energy transition about $500 billion, or almost half of this amount, went to technologies that use renewable energy ⁽¹²⁾. More money is being put into renewable energy, but by 2050, that amount will need to have quadrupled if we want to keep the temperature rise to 1.5°C or less. A lesser portion of these investments goes towards renewable heat generation, while the majority go towards power generation. In 2021, renewable energy investment in China surpassed $137 billion, surpassing that of any other country. With nearly $80 billion, Europe was ranked second ^(13,14).

Advances in solar photovoltaic (PV) technology have been substantial over the last several decades as depicted in Figure 1⁽¹⁶⁾. From its modest beginnings as an obscure energy source, it has grown into a global leader among renewable energy technologies. Most significantly, this area has seen improvements in materials, manufacturing processes, and system efficiency. One of the most significant advancements in solar technology was the creation of perovskite solar cells ⁽¹⁷⁾. There is great promise for these materials as efficient solar energy converters due to the crystal structure of their materials. Perovskites have a lower price tag and are simpler to manufacture than conventional silicon-based cells. They have achieved efficiency rates of over 25% in the lab. In 2022, more than 60% of all investments in renewable energy went to solar energy ⁽¹⁸⁾. Solar PV alone brought in almost $300 billion. From $0.42 per kWh in 2010 to $0.05 in 2021, the price of solar PV has dropped by a huge amount, making it very competitive. A lot of money was also put into solar PV by private investors; in 2020, they made up over 80% of the total. In the off-grid market, solar power is still the leader, with investments reaching almost $745 billion in 2022 ⁽¹⁹⁾.

Another big step forward in technology is the creation of bifacial solar panels, which can collect sunlight on both sides, making them more efficient ⁽²⁰⁾. These panels work best in places where light reflects well, like snow-covered areas, because they can use the light that bounces off the snow to make more electricity. Another important step forward in solar PV technology is thin-film solar cells. Thin-film cells are different from silicon-based cells because they use layers of semiconductor materials that are only a few micrometers thick. It also makes solar panels flexible and light enough to be attached to many surfaces, like windows and roofs. This cuts down on the number of raw materials that need to be used.

Since the process of making solar panels is now more automated, the price has dropped by a lot. Technology like robotics and artificial intelligence has sped up production lines, cut down on waste, and increased the size of production, all of which help keep prices low for consumers ⁽²¹⁾. They are better at turning sunlight into electricity that can be used now that solar panels have been getting better over time. These days, panels often get efficiency rates of more than 20%. It’s because the technologies used, like Passivated Emitter and Rear Cells (PERC), are better and the materials used are better with least loss of energy ⁽²²⁾. A lot of progress has also been made in inverters, which change the DC electricity that solar panels make into AC electricity that homes and businesses can utilize. With today’s smart inverters, solar PV systems can work better because they can automatically adjust to changes in the grid and sunlight. This makes solar power systems more reliable and increases the amount of energy they produce.

The Figure 2 shows that investments in renewable energy around the world have steadily grown over the years. This shows that the business is growing and becoming more mature. In 2022, 495 billion U.S. dollars were invested, which was a huge increase from the years before. Many things are causing this upward trend, including help from the government, better technology, and the fact that clean energy sources, like solar and wind power, are becoming more cost-effective. A lot of money being put into these areas shows their importance as the world’s move towards cleaner energy ⁽²³⁾. China has contributed a lot to this growth by putting more money into clean energy than any other country.

Wind energy technology has also come a long way, especially in how turbines are made, offshore wind farms are built, and how digital technologies are used to make maintenance and performance better. Generators for wind power are getting bigger and better at what they do, which is a big change. There is a lot more power in new turbines than in older ones making up to 12 MW ⁽²⁴⁾ with a rotor diameter over 160 meters. Even when the wind is not blowing as hard, these bigger turbines still collect more energy from the wind. This makes wind farms more productive and cost-effective. In 2022, investments in wind energy reached a total of $174 billion, making up 35% of all investments in renewable energy around the world. About 80% of this total came from onshore wind projects. However, investments in offshore wind have grown very quickly, doubling in 2020 and staying at that level through 2022. China also led investments in wind energy, giving $67 billion in 2021 ⁽²⁵⁾.

Moving from geared turbines to direct-drive turbines, which have fewer moving parts and need less maintenance, is another big step forward. The cost of making wind energy is lower overall because direct-drive systems are more reliable and last longer. Luckily, the invention of floating wind turbines has made it possible to use wind power in a lot of new places, like deep water, where the wind blows steadier and faster. Floating turbines are set up on platforms that are attached to the ocean floor with mooring lines. This lets them work in water up to several hundred meters deep. New developments have led to the creation of turbines with more than 15 MW of power. These can produce more electricity and lower the cost per megawatt-hour of offshore wind projects ⁽²⁶⁾. The dependability and efficiency of wind turbines have gotten a lot better since AI and machine learning were used for predictive maintenance. These technologies can look at data from sensors built into turbines to predict when they might break down and plan maintenance before they do. More accurate predictions of wind patterns are now possible due to improvements in computational modelling and wind resource assessment tools. This helps find the best places to put wind farms. These tools help wind projects be more efficient and make more money by making the most of the energy that each turbine can capture.

Renewable energy sources like solar and wind are naturally variable, so the creation of technologies that store energy has been very important for their wide use. Lithium-ion batteries are the most popular way to store energy because they are cheap, have a high energy density, and last a long time ⁽²⁷⁾. These batteries are used in both small-scale projects, like home solar systems, and large-scale grid storage projects, which keep supply and demand in balance by storing extra energy made during times of high production for use when production is low. Even though lithium-ion batteries are the most popular, new storage technologies are on the rise. Flow batteries, which use liquid electrolytes, can be scaled up and can hold a charge for longer, which makes them good for large-scale storage. While still in the early stages of development, solid-state batteries have the potential to have higher energy densities and be safer than lithium-ion technology. One of the most common ways to store a lot of energy on a large scale is through pumped hydro storage. With this technology, water is pumped to a higher level when there is extra electricity being made and then let out to make electricity when demand is high ⁽²⁸⁾.

Using electrolysis to make hydrogen from renewable energy is a new way to store energy that can be used in fuel cells to make electricity or as a raw material for many industrial processes ⁽²⁹⁾. People think that hydrogen storage could be a good way to store a lot of renewable energy for a long time, even though it is still in its early stages of commercialization. As a way to make concentrated solar power (CSP) plants work better, thermal energy storage systems are being utilized to store energy as heat.

The Figure 3 shows that 13.7 million jobs in renewable energy are spread out across various industries around the world ⁽³⁰⁾. Solar photovoltaic (PV) jobs make up the biggest group, with 4.9 million. This demonstrates the significance of solar power in the realm of renewable energy. For the same reason, both hydropower and biofuels make 2.5 million jobs, these industries are all important to the world’s energy mix. Moreover, wind power has made 1.4 million jobs. There are 2.4 million more jobs in the “Other” group, that have to do with renewable energy. Solar power is a big part of the job market around the world.

Policy and Regulatory Frameworks

Renewable energy sources are being used more around the world quickly because of rules and laws made by the government ⁽³¹⁾. It will be easier to get money and run a business with these rules that will help the growth of renewable energy. Changes to the economy that make less carbon will speed up the process and bring in more private money. A lot of work by the government has made renewable energy a real and appealing energy source. This was possible with the help of rules, subsidies, tax breaks, and systems that set prices for carbon ⁽³²⁾.

One of the most popular and effective ways for governments to encourage the use of renewable energy sources is through the provision of subsidies and other financial incentives ⁽³³⁾. The rationale behind these subsidies is to facilitate the acquisition of seed funding for renewable energy projects. Traditional energy sources that rely on fossil fuels will have a tough time competing with these newer alternatives. One of the most prominent methods of encouraging the usage of renewable energy sources was feed-in tariffs for quite some time ⁽³⁴⁾. Electricity generated from renewable sources is guaranteed a fixed price by FiTs. Most of the time, this price is higher than the market rate. Numerous wind and solar farms have been constructed in countries like Spain, Germany, and China due to FiTs. RECs are another way for companies that make renewable energy to make extra cash by giving people money. These certificates are given out for every unit of electricity that comes from clean sources. After that, they can be sold to other companies, like utilities, that have to follow government rules about using green energy. There is a market for RECs because the government wants people to invest in renewable energy and gives producers another way to make money ⁽³⁵⁾.

Another great way for governments to get people to invest in clean energy is to offer tax breaks like tax credits and deductions which is Investment Tax Credit (ITC) for solar energy ⁽³⁶⁾. People and businesses in the US can use it to get a big tax break on the cost of installing solar energy systems. The Production Tax Credit (PTC) also helps companies that get their power from clean sources, mostly wind. Because of these tax breaks, renewable energy projects have stayed open and attracted investors. There are many ways that governments support renewable energy projects by giving grants, loans with low interest rates, tax breaks, and subsidies. It is easier and costs less for project developers to get the money they need with these tools.

The carbon pricing is another strong policy tool that has changed the way renewable energy sources are used ⁽³⁷⁾. Because of these taxes, it costs more to use energy sources that give off a lot of CO2s. Stockholm was one of the first places in the world to tax carbon in 1991 ⁽³⁸⁾. Because of cap-and-trade, an economy or parts of it can only be put to restrict greenhouse gas into the air. Emission allowances can be free for businesses or they can take money to get them. Companies that cut down on their emissions can sell any extra permits they have to help people in need. In order to lower their compliance costs, businesses often put money into renewable energy. EU ETS stands for the European Union Emissions Trading System which has helped to spread the word about clean energy all over Europe ⁽³⁹⁾.

Governments also use rules and regulations to make people to use renewable energy. These rules make clear goals or conditions that must be met, and often force energy companies and utilities to use more renewable energy. Regulations called Renewable Portfolio Standards explain that utilities must get a certain amount of their electricity from renewable sources ⁽⁴⁰⁾. Because of these standards, there will always be a need for renewable energy, which encourages investment and growth. For example, in the US, many states have put in place RPS policies, which have led to big jumps in the amount of energy generated by wind and sun. California, New York, and other states have set high RPS goals. By 2030, they want at least half of their electricity to come from renewable sources.

People who make their own clean electricity, like with solar panels on their roofs, can sell the extra power back to the grid through net metering policies. Individuals will have a financial reason to invest in renewable energy, and this will also help to increase the overall share of renewables in the energy mix. In particular, net metering has helped small-scale, decentralized renewable energy production at larger scale⁽⁴¹⁾. Along with requiring energy providers to use renewable energy, governments have also put in place building codes and efficiency standards that either encourage or require the use of renewable energy in new buildings and major renovations. For example, in some places, new buildings have to come with solar panels or be built so that they can be used for future solar installations. Over time, these standards make it easier for all kinds of businesses to use more renewable energy and also help new buildings leave less of a carbon footprint.

The Figure 4 shows that regulations are broken down into three groups: power, heating and cooling (H&C), and transportation. The number of countries with power regulations has steadily grown, from 117 in 2014 to 126 in 2016. This shows that more and more people around the world are committed to renewable energy. While the number of nations regulating transportation progressively increased, the number of nations regulating heating and cooling remained constant at 21 throughout the entire period. Biodiesel and ethanol mandates, feed-in tariffs, and renewable portfolio standards are among the policy types depicted in the Figure 4, which shows their prevalence in each sector. Here we can see the key components of global renewable energy policy from the last several years.

The adoption of renewable energy sources has been greatly aided by multi-national initiatives and international accords, in addition to domestic policy. Reduced carbon emissions and increased use of renewable energy sources are global objectives established by accords such as the Paris Agreement a landmark global pact, came into force in 2015. The goal is to limit global warming to 1.5 °C or lower, and under 2 °C above pre-industrial levels. In order to accomplish these objectives, several nations have pledged to increase their usage of renewable energy while decreasing their reliance on fossil fuels. As a result of the agreement, renewable energy has become a priority in national policy and planning. In the fight against global warming, this is an essential component. IRENA facilitates the transition to renewable energy for nations as they offer technical help, policy advice, and programs that help people learn new skills ⁽⁴³⁾. Its work has made it easier for developing countries to get renewable energy technologies and build the systems they need to use them. Some global partnerships and initiatives have been set up to help countries work together and pool their resources to speed up the adoption of renewable energy. These include the Clean Energy Ministerial (CEM) and the Green Climate Fund (GCF). Most of the time, these programs try to help developing countries to use more renewable energy. These countries have a lot of room to grow but also a lot of challenges with money and technology.

Economic Drivers and Market Dynamics

Big changes are happening as technologies that use renewable energy are getting cheaper. Over the last ten years, it has become a lot cheaper to get power from clean sources like the sun and wind. This makes these technologies better able to compete with fossil fuels. The solar energy industry has seen a precipitous 80% reduction in the price of photovoltaic (PV) technology since 2010. At the same time, the price of onshore wind energy has decreased by approximately 50%. Price drops have been caused by advances in technology, making things easier to make, and using less energy.As the price of renewable energy keeps going down, it gets more and more money to support it. This group includes both government money and gifts from business owners. Governments around the world are pledging billions of dollars to help build infrastructure for renewable energy. Grants, low-interest loans, and subsidies are helping them accomplish it. Private investors are becoming more aware regarding profitability of renewable energy projects in the long run. Big banks and endowments are starting to invest less in fossil fuels and more in clean energy sources.

Investment in renewable energy sources has dual benefits: it boosts capacity and quickens the development of new technology. More investment in R&D is allowing companies to create new technologies that are both more effective and less expensive. Market activity has gone up because prices are going down and investment is increasing. This makes it easier to use renewable energy sources quickly. As more people switch to renewable energy, the traditional energy markets are also changing in big ways. Fossil fuels are becoming less popular as renewable energy sources grow. For a long time, the industries that use fossil fuels to make energy have been at the front of this change. Power plants that burned coal are being phased out or replaced with greener alternatives. It is considered as riskier to invest in new exploration and extraction projects due to the increasing use of renewable energy sources and global efforts to reduce carbon emissions ⁽⁴⁴⁾.

The proliferation of renewable energy sources has reduced the demand for fossil fuels. Less centralized energy production methods are gradually replacing older ones, such as large plants that generate electricity from fossil fuels and transmit it through national grids. A fresh perspective is taken, one that relocates energy generation closer to its end users. This is a common use case for smaller-scale renewable energy installations like rooftop solar panels and community wind farms. Customers have greater agency now that services are decentralized. The ability to generate one’s own electricity and then sell excess power back to the grid puts traditional energy providers to the test. The energy market is evolving and becoming more fascinating as a result of the increasing amount of renewable energy being added to national grids.

Better methods of storing energy and maintaining the power grid are being developed as a result of the fact that renewable energy sources like solar and wind do not reliably generate electricity. We need these new points of view to keep the supply of energy steady and the balance between supply and demand healthy. This is very important because renewable energy sources are becoming a bigger part of the energy mix ⁽⁴⁵⁾. As their prices go down, renewable technologies become more competitive. Because of this, there has been a huge rise in investment. But the bigger effects on the world economy and traditional energy markets are still there. It’s getting harder and harder for the fossil fuel industry, which used to be the world’s main source of energy, to adapt to the constantly changing energy landscape. On the other hand, energy markets around the world are getting ready to switch to renewable sources. This is good for the economy and will lead to new ideas for years to come.

Methodology

A systematic review following the PRISMA guidelines was done to get a full and accurate picture of the most recent changes in the use of renewable energy and how they have affected the economy. It became less likely that bias would show up when choosing and judging relevant literature. We have explored different academic databases like Scopus, Web of Science, and PubMed. Using keywords like “renewable energy,” “economic impact,” “adoption trends,” and “policy implications” helped focus our search on most useful studies. We have examined studies that came out between 2010 and 2024 to make sure that only the newest and most useful ones were found to show how renewable energy has changed and grown over the last ten years.

Firstly, we start screening after the identification phase and at this point, 1,250 records were found in the different databases. After elimination of 150 copies, there were 1,100 unique records left. Then, the titles and abstracts of these records were checked to see if they were connected to the hypotheses. Six hundred more records were thrown away because they had nothing to do with using renewable energy or how that would affect the economy. Now there were 500 records left for a more in-depth exploration. The next step was to try to get 500 reports, which were successful 480 times. 20 reports were not retrieved because they could not be reached or their full texts were not available. The reports that were found were then checked to see if they met the standards that had already been set for them to be included. The study had to meet certain standards, such as being related to the topic, using good research methods, and adding to our understanding of how using renewable energy affects the economy. It was decided that twenty of the papers were not good enough in terms of their methods, fifteen were not relevant to the economics of renewable energy, and fifteen were not clear in terms of their results or data being out of date.

At last, 50 studies were included in the review by examining different areas, from new technologies and how policies affect them to changes in the market and investment trends. The studies that were included were then carefully looked over, and data were gathered using a standard form that was made to record important information like the research questions, study objectives, methods, main findings, and how relevant the data were to the research questions. The collected data were put together to find themes that were repeated, new trends, and gaps in the existing research. As part of the synthesis process, qualitative analysis was used to make sense of the results and come to conclusions that could help us learn more about how using renewable energy changes the structure and dynamics of the economy. The PRISMA flow diagram (Figure 5) shows the steps that were taken to choose the studies that were included in the review, from the initial step of finding records to the final step of including studies in the review.

Results

The systematic review results give a full picture of the latest trends in using renewable energy and the economic effects. The results are grouped by theme, which shows the main causes and effects found in all the studies. It does this by focusing on the major economic, technological, and policy issues that are shaping the energy sector’s future. A small group of main ideas that have become important in the discussion about using clean energy are shown in the thematic analysis. These topics—improvements in technology, support from policy and regulation, economic factors, and changes in the market—are all very important to the move towards renewable energy that is still going on as depicted in Table 1.

Table 1: Thematic Analysis of Recent Trends in Renewable Energy Adoption.

Theme	Description	Key Findings
Technological Advancements	Renewable energy is being used more and more because solar PV, wind turbines, and energy storage technologies have gotten a lot better.	Enhanced efficiency, reduced costs, and scalability are the major outcomes.
Policy and Regulatory Support	Subsidies, tax credits, and the price of carbon have all been used by the government to speed up the use of renewable energy.	Policies are very important for lowering the cost of the initial investment and encouraging adoption.
Economic Drivers	Renewable energy sources are now more competitive with fossil fuels because their costs are going down.	More and more people think that investing in renewable energy is a good idea.
Market Dynamics	As more people use renewable energy, it changes traditional energy markets and has an impact on the fossil fuel industry.	Less money being spent on fossil fuels and more on renewable energy.

Renewable energy can be used by more people and is affordable if technology keeps getting better and cheaper. On the other hand, policy and regulatory frameworks are important for helping people to start using new technologies by making them cheaper. This study also explore economic factors that show how renewable energy is getting better at competing with fossil fuels. The following statistical summary gives numbers-based information on the rise in the use of renewable energy. It shows that investment, growth rates, and job creation have all increased significantly across different types of renewable energy.

Table 2: Statistical Summary of Renewable Energy Adoption.

Renewable Energy Source	Average Growth Rate (2010-2024)	Investment Increase (%)	Job Creation (in Millions)
Solar Energy	15%	120%	3.5
Wind Energy	10%	95%	2.1
Hydropower	5%	50%	1.8

Table 2 shows that renewable energy, especially solar and wind energy, is growing quickly and having a big effect on the economy. Solar energy has the highest average growth rate and investment increase. Wind energy is also growing quickly and is responsible for more than two million jobs around the world. Even though it is growing more slowly, hydropower is still an important source of renewable energy, especially in places where other renewable resources might not work as well. The following tables give you more information on how policy changes and new technologies have affected the use of renewable energy.

Table 3: Impact of Policy Interventions on Renewable Energy Adoption (2010-2024).

Policy Intervention	Adoption Increase (%)	Investment Stimulated (in Billions USD)	Regions Most Impacted
Feed-in Tariffs (FiTs)	20%	150	Europe, Asia-Pacific
Carbon Pricing Mechanisms	12%	75	Europe, North America
Renewable Portfolio Standards (RPS)	18%	110	North America, Oceania
Tax Incentives	15%	90	Global

The information in this table 3 shows different types of policy have worked to encourage people to use renewable energy. Feed-in tariffs have had the biggest effect, especially in Europe and the Asia-Pacific region, where they have caused a lot more renewable energy capacity to be added. Even though carbon pricing hasn’t had as much of an effect on adoption rates, it has led to a lot of investment, especially in North America and Europe. Renewable portfolio standards and tax breaks have also been very important increase use of renewable energy.

Table 4: Technological Innovations and Their Impact on Cost Reductions (2010-2024).

Technology	Cost Reduction (%)	Efficiency Improvement (%)	Adoption Rate Increase (%)
Perovskite Solar Cells	30%	25%	18%
Floating Wind Turbines	40%	20%	15%
Lithium-Ion Battery Storage	50%	30%	22%
Bifacial Solar Panels	35%	28%	20%

This table 4 shows important new technologies have helped lower the costs of renewable energy technologies and made them more efficient. The biggest drops in price have been seen in lithium-ion battery storage, which is becoming more and more important to deal with the intermittent nature of renewable energy sources. Perovskite solar cells and bifacial solar panels have also become much more efficient, which has led to higher adoption rates. Floating wind turbines, which can generate electricity from the wind in deeper water, have made wind energy even more useful in more places.

The presented word cloud in Figure 6 visually displays the most important ideas in research on renewable energy. Words like “market,” “policy,” “technology,” and “investment” are used a mostly which shows their importance for renewable energy. The use of words like “solar,” “wind,” “carbon pricing,” and “efficiency” makes it clear that the focus is on certain renewable energy technologies and the factors that make people want to use them. This picture clearly shows the aspects—economic, technological, and regulatory—that are important for comprehending and progressing the renewable energy sector. The results of this systematic review show that adopting renewable energy is a dynamic and multifaceted process. The present and future of renewable energy are affected by changes in policy, new technologies, and the economy. Many factors have led to the fast growth of renewable energy technologies around the world. These include lower costs, higher efficiency, and policies that support these technologies. The way energy markets work all over the world is still being changed by renewable energy.

Discussion

The renewable energy industry is growing because technology is getting better and the government is backing it up. Many places around the world are seeing changes in their economies, job markets, and energy systems. These events show importance of clean energy to fight climate change, grow the economy, and come up with new ideas. One of the most important things this review deduce that better solar and wind energy technology has helped the growth of these types of energy ⁽⁴⁶⁾. It is now much cheaper to make renewable energy with new technologies like perovskite solar cells and floating wind turbines that are more efficient and save money. It has also paved the way for millions of jobs, particularly in developing nations with plenty of potential for expansion.

Despite many advantages to the economy, there are a few issues with these new technologies. Particularly industries that depend on fossil fuels will be affected by the switch to clean energy sources ⁽⁴⁷⁾. Communities and people who depend on fossil fuels are risking their economic stability as money moves towards renewable energy ⁽⁴⁷⁾. The transition needs to be managed well so that everyone benefits financially from renewable energy and the effects on more established energy sources are kept to a minimum. These kinds of results make it clear that we need to quickly reduce our carbon emissions and it also make policymakers think about whether regions that depend on fossil fuels can still make money. To reach this goal, we need to help people who have lost their jobs in the conventional energy sector find new ones and pay for the infrastructure that is needed to connect renewable energy to the grid. To keep things from getting worse, it is important to make sure that everyone, has equal access to renewable energy sources.

This review goes into more detail about importance of changes in the market for making the switch to renewable energy sources. These energy companies need to change way of doing business to stay competitive in the market. The energy market is changing because people are moving away from fossil fuels and towards being energy independent ⁽⁴⁸⁾. The main things that businesses should sell are energy storage, smart grid technologies, and clean energy ⁽⁴⁹⁾. It is a big problem that clean energy sources like the sun and wind does not fulfil expectation of consumers in meeting energy demand. We need better ways to store power and better ways to run the power grid. Batteries and other energy storage tools have come a long way, but we still need to find cheaper options that can be used anywhere ⁽⁵⁰⁾.

Another issue is that some places do not use renewable energy in the same way that other places do. Some places, like developing countries, are behind because due lo lack of money, infrastructure, or policies to help them. People should explore different ways to get around these issues in the future so that people in different places can use renewable energy. Also, more research needs to be done on the long-term viability of renewable energy technologies, especially on where the materials come from and how technologies like batteries and solar panels affect the environment over their whole lives. It will be very important to make sure that as the use of renewable energy technologies grows, they will not cause any new environmental or social problems.

Conclusion

The move towards renewable energy around the world is completely changing the energy and economic landscapes. It brings both opportunities and challenges that need to be carefully managed. The main point of this systematic review is to show importance of different policies and advances in technology in speeding up the use of renewable energy. These things have not only led to big growth in the renewable energy sector, but they have also started bigger changes in the economy, such as more investment, more jobs, and changes in functioning of market. On the other hand, switching to renewable energy is hard, and there are a lot of issues that need to be fixed before it can fully pay off. The economy is being negatively infleunce by this change especially businesses that use old energy sources that are going out of business because the world is moving towards cleaner energy sources. The findings show that using renewable energy can improve energy security, boost the economy, and change the market, but only if a lot of people work together and plan ahead.

To make this change work, certain policy changes are needed to help areas and businesses that depend on fossil fuels deal with the social and economic impacts. It is important for these kinds of policies to help communities make the change, retrain workers, and make sure that everyone gets a fair share of the benefits of renewable energy. There is also a lot of infrastructure that needs to be built in order to add renewable energy to existing grids, make storage better, and get more people to use decentralized energy systems. A lot of information was given about the newest developments in renewable energy and thier effect on the economy. We should think about where the materials come from and how they will work over time to infleunce the environment. There is also need to explore ways to equalize energy adoption around the world. Moreover, different techniques need to be utilsied to better manage and distribute energy by combining new technologies like blockchain and AI with renewable energy sources.  We might be able to make the world economy more stable and last longer if we switch to clean energy sources. Renewable energy research should not stop, new technologies should be made and laws should be passed to encourage people to use it. This is what we can do to help the future be better for everyone and last longer.

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Cite this article as:
Shah SS. Recent Trends in Renewable Energy Adoption and their Economic Implications. Premier Journal of Environmental Science 2024:1;100004

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