Many casual observers of solar have by now absorbed its supreme competitiveness— the relentless price trajectory as solar has melted downward through multiple cost floors to become the cheapest new power source on the planet. What’s less talked about is the speed. The speed of solar. Doubling in less than four years, at such scale. Frankly, that does approach the speed of digital adoption, which is the most frictionless product uptake category in history.

The Gregor Letter