In 2023, solar power generated 5.5% (1,631 TWh) of global electricity and over 1% of primary energy, adding twice as much new electricity as coal. Along with onshore wind power, utility-scale solar is the source with the cheapest levelised cost of electricity for new installations in most countries. As of 2023,. Solar power, also known as solar electricity, is the conversion of energy from into, either directly using (PV) or indirectly using. use the Solar power plants use one of two technologies: • (PV) use, either on or in ground-mounted, converting sunlight directly into electric power.• (CSP). Cost per wattThe typical cost factors for solar power include the costs of the modules, the frame to hold them, wiring, inverters, labour cost, any land that might be required, the grid connection, maintenance and the solar insolation. Solar power is cleaner than electricity from, so can be better for the environment. Solar power does not lead to harmful emissions during operation, but the production of the panels creates some pollution. The carbon footprint of manufacturing is less. Geography affects solar energy potential because different locations receive different amounts of solar radiation. In particular, with some variations, areas that are closer to the generally receive higher amounts of solar radiation. However, Early daysThe early development of solar technologies starting in the 1860s was driven by an expectation that coal would soon become scarce, such as experiments by. installed the world's first. VariabilityThe overwhelming majority of electricity produced worldwide is used immediately because traditional generators can adapt to demand and storage is usually more expensive. Both solar power and are Photovoltaics (PV) is the conversion of into using that exhibit the, a phenomenon studied in,, and. The photovoltaic effect is commercially used for electricity generation and as. A employs, each comprising a number of.