Written by Riki Argyropoulou, a junior surveyor at Wattcrop.

The world is experiencing a rapid shift towards renewable energy sources due to the increasing demand for energy and the need to address the climate change crisis. Among these sources, solar energy is one of the most promising and rapidly growing forms of renewable energy. In this article, we will discuss the rise of solar energy and its potential to revolutionize the world’s energy systems.

Solar energy is harnessed from the sun using solar panels, which capture sunlight and convert it into electricity. The energy generated by solar panels is known as solar power and can be used for various purposes, including powering homes, businesses, and even entire cities. The use of solar energy has gained popularity over the years due to its numerous benefits, including its environmental friendliness, sustainability, and cost-effectiveness.



The advantages of solar energy

One of the key advantages of solar energy is its ability to reduce greenhouse gas emissions, which are a leading cause of climate change. Unlike fossil fuels, which emit harmful gases when burned, solar energy is clean and emits no pollutants. This makes solar energy a critical tool in mitigating the effects of climate change and reducing global warming.

Furthermore, solar energy has become increasingly affordable in recent years, making it accessible to more people than ever before. The cost of solar panels has dropped significantly, making it more affordable for homeowners and businesses to install them. This, in turn, has led to an increase in the adoption of solar energy and the growth of the solar industry.

The solar industry has experienced rapid growth in recent years, with the number of solar installations worldwide increasing significantly. In 2020, the world’s total solar power capacity reached 773.2 GW, with China, the United States, and India leading in solar energy capacity. This growth is expected to continue, with some projections suggesting that solar energy could account for 40% of the world’s electricity generation by 2040.

The rise of solar energy has also created new job opportunities and economic benefits. The solar industry has become a significant employer, with millions of people working in solar-related jobs worldwide. This has led to economic growth and the creation of new businesses and industries, particularly in developing countries.



Challenges for solar energy

Despite the numerous benefits of solar energy, there are still some challenges that need to be addressed. One of the biggest challenges is the intermittency of solar power, which means that energy generation fluctuates depending on weather conditions. This can create challenges for power grids and energy management, particularly during peak demand periods.

To address this challenge, significant investments are being made in energy storage technologies such as batteries, which can store excess energy generated during times of low demand and release it during peak demand periods. This helps to ensure a more stable and reliable supply of energy from solar power.

Moreover, the integration of solar power with other renewable sources of energy such as wind and hydro is also being explored. This can help to address the intermittency challenge while also creating a more diverse and resilient energy system.

Another challenge facing solar energy is the need for investment in infrastructure and policy support. Governments and policymakers play a crucial role in promoting the growth of solar energy by providing incentives, funding, and regulations that support the development of solar power projects. This can include tax incentives for homeowners and businesses that invest in solar panels, funding for research and development of new solar technologies, and regulations that require a certain percentage of energy to be generated from renewable sources.

In conclusion, solar energy has emerged as a significant player in the world’s energy systems, with its numerous benefits including its environmental friendliness, sustainability, and cost-effectiveness. The growth of the solar industry has created new job opportunities, economic benefits, and the potential to revolutionize the world’s energy systems. While there are still some challenges to be addressed, the rise of solar energy is a positive development that holds great promise for the future.