The Economist explains: How renewable energy can become competitive | The Economist

Solar technology has already made significant progress in a short amount of time. Renewable power is gaining market share against other sources, especially in sunny and spacious places, and where other fuels are scarce or dirty. For solar, as one might expect, sun-drenched locations are the most competitive ones; California and Hawaii are trailblazers).

via The Economist explains: How renewable energy can become competitive | The Economist.