The number of retired solar panels may reach 10 million per year before 2030, exceeding IEA estimates.
Waiting to build recycling infrastructure until the industry reaches "millions of panels per year" could lead to catastrophic costs for asset owners.
The challenge and opportunity of creating a circular economy for solar energy is growing faster than most people think.
In the U.S., approximately 4-5 million panels per year are reaching end of life annually, expected to grow to tens of millions domestically and hundreds of millions globally by 2040.
Author's summary: Solar recycling costs must be driven down before volumes spike.