Solar panels convert sunlight into directly usable electricity, storable in rechargeable batteries, and suppliable to the electrical grid for industries and households.
What is solar power?
The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Melissa Petruzzello. Solar power is a form of energy conversion in which sunlight is used to generate electricity.
Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current.
solar power, form of renewable energy generated by the conversion of solar energy (namely sunlight) and artificial light into electricity. In the 21st century, as countries race to cut greenhouse gas emissions to curb the unfolding climate crisis, the transition to renewable energies has become a critical strategy.
Solar energy potential Earth's photovoltaic power potential. The potential for solar energy to be harnessed as solar power is enormous, since about 200,000 times the world's total daily electric-generating capacity is received by Earth every day in the form of solar energy.
Learn about the basics of solar radiation. There are two main types of solar energy technologies—photovoltaics (PV) and concentrating solar-thermal power (CSP). You're likely most familiar with PV, which is utilized in solar panels. When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel.
Solar panels do not generate electricity, but rather they heat up water. They are often located on the roofs of buildings where they can receive heat energy from the Sun. Cold water is pumped up to the solar panel. Then it heats up and is transferred to a storage tank. A pump pushes cold water from the storage tank through pipes in the solar panel.