In One Timeline

Why Solar Got 500× Cheaper — On a Schedule (To Scale)

Swanson's Law: solar module prices fell ~500× as cumulative capacity grew — a learning curve to scale.

2credits5sourcesAll episodes
Source pages are linked directly so license details can be verified at the original host.
Used For
Credit
Source
01Solar arrays on the ISS
NASA / Crew of STS-132International Space Station after undocking of STS-132.jpg / Public domain
commons.wikimedia.org
02Rooftop solar panels
Gray WatsonSolar panels on house roof winter view.jpg / CC BY-SA 3.0
commons.wikimedia.org

Data sources & references

01Our World in Data — solar PV price vs cumulative capacity
02Nemet 2009 — solar learning curve
03Farmer & Lafond 2016 — learning-curve predictability
04IRENA — Renewable Power Generation Costs 2024
05Wright 1936 — Factors Affecting the Cost of Airplanes (origin of Wright's Law)