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The History of Solar Energy: From Ancient Times to Today
02.23.2023 | solar-panel | BLOG

The use of solar energy has a long and fascinating history that spans thousands of years. While the technology has advanced significantly in recent years, the basic principles of using the sun's energy to generate heat and power have been around for centuries. In this blog post, we will explore the history of solar energy from ancient times to today.

Ancient Times:

The use of solar energy dates back to ancient times when people first discovered that they could use the sun's rays to start fires and warm themselves. The Greeks and Romans used large mirrors to concentrate the sun's rays and light torches for religious ceremonies. The Chinese also used mirrors to light fires and heat water for cooking and bathing.

19th Century:

The 19th century saw the first significant developments in solar technology. In 1839, French physicist Alexandre Edmond Becquerel discovered the photovoltaic effect, which describes the production of an electric current when certain materials are exposed to light. This discovery laid the groundwork for modern solar panels.

20th Century:

The 20th century saw significant advancements in solar technology. In the 1950s, Bell Labs developed the first modern solar cell, which was made of silicon and converted sunlight into electricity. NASA also began using solar panels to power spacecraft.

In the 1970s, the energy crisis and rising oil prices led to increased interest in solar energy as a viable alternative to fossil fuels. The first solar-powered calculators were invented, and solar-powered homes and businesses began to appear.

21st Century:

The 21st century has seen a significant increase in the use of solar energy. Advances in technology and production have led to a dramatic decrease in the cost of solar panels, making solar energy more accessible to consumers.

In recent years, solar energy has become the fastest-growing source of renewable energy, with countries like China, the United States, and India leading the way in solar installations. As the world looks to reduce its reliance on fossil fuels and combat climate change, solar energy is becoming an increasingly important part of the energy mix.


The history of solar energy is a testament to the ingenuity and perseverance of human beings. From ancient times to today, people have found ways to harness the power of the sun to generate heat and power. While there is still much work to be done to make solar energy more accessible and cost-effective, the future of solar energy looks bright. As technology continues to improve, we can expect to see even more widespread adoption of solar power in the years to come.