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This statistic represents global investment in solar energy technologies between 2004 and 2019. In 2019, global investment in this field came to some *** billion U.S. dollars. Europe, China and the United States are the main investors in this area.

Solar energy investments – additional information

Overall investments into clean energy are largely dominated by wind and solar energy around the world. The wind power sector received just over *** billion U.S. dollars in new investments in 2019, while geothermal energy investments totaled about *** billion U.S. dollars. Global investment in solar energy technologies rose from about **** billion U.S. dollars in 2004 to almost *** billion U.S. dollars a decade later. Solar technologies have been steadily progressing towards new materials that can be much more efficient than current silicon cells. For example, the utilization of multi-junction cells with several layers that can harvest energy from different parts of the solar spectrum may be undertaken to dramatically increase solar power in the near future.

Funding renewable energy was largely supported by investments into utility-scale projects and small distributed capacities, primarily residential solar projects. In 2015, some billion U.S. dollars were invested into small-scale solar systems and ** billion U.S. dollars into utility-scale systems. However, it must be noted that different entities may utilize varying minimal thresholds for the definition of utility-scale, which has been found to range from * to ** megawatts. As of June 2019, one of the largest solar photovoltaic power plants, the Golmund Solar Park, is located in China and has a capacity of megawatts.