
Solar power has become big business, with $131 billion invested in 2018, up from just $11.2 billion in 2004 but down from $171 billion in 2017 as unit costs fell. New installed capacity grew from 1.1GW in 2004 to about 107GW in 2018, a steady rise as solar begins to compete with...

Solar power has become big business, with $131 billion invested in 2018, up from just $11.2 billion in 2004 but down from $171 billion in 2017 as unit costs fell. New installed capacity grew from 1.1GW in 2004 to about 107GW in 2018, a steady rise as solar begins to compete with...