
Solar power produced around 1.3 terrawatt-hours (TWh) worldwide in 2022, representing 4.6% of the world's electricity. Almost all of this growth has happened since 2010. Solar energy can be harnessed anywhere that receives sunlight; however, the amount of solar energy that can be harnessed for electricity generation is influenced by , geographic location a.

The U.S. Department of Energy and ARPA-E awarded $151 million in funds on October 26, 2009 for 37 energy research projects. It supported technologies for , , , , and . The grants also supported technologies, including and for , devices for ,