Decades

Decades of photovoltaic panels

The concept of solar energy dates back to 1839 when French physicist Edmond Becquerel first discovered the photovoltaic effect — the process by which sunlight generates electric current. However, it wasn't until the 1950s that modern solar panels began to take shape. . Long before the first Earth Day was celebrated on April 22, 1970, generating awareness about the environment and support for environmental protection, scientists were making the first discoveries in solar energy. (Although no proof of such a feat exists, the Greek navy recreated the experiment in 1973 and. . The first silicon photovoltaic cell was created all the way back in 1954 Why trust EnergySage? When was solar energy first used? When were solar panels invented? Though solar energy has found a dynamic and established role in today's clean energy economy, there's a long history behind photovoltaics. . The discovery of the photovoltaic effect in 1839 laid the groundwork for today's solar panels, but it would take many decades of innovation to transform this novel concept into the high-efficiency energy source we know today. From the earliest days of solar-powered satellites to modern rooftop. . Let's start from the beginning and walk through all the vital points in time for the solar energy industry and beyond.